Windows
Analysis Report
file.exe
Overview
General Information
Detection
Djvu, RHADAMANTHYS, SmokeLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Detected unpacking (overwrites its own PE header)
Yara detected AntiVM3
Yara detected SmokeLoader
System process connects to network (likely due to code injection or exploit)
Detected unpacking (changes PE section rights)
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (creates a PE file in dynamic memory)
Snort IDS alert for network traffic
Multi AV Scanner detection for submitted file
Yara detected RHADAMANTHYS Stealer
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Yara detected Djvu Ransomware
Multi AV Scanner detection for dropped file
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Creates processes via WMI
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
Injects a PE file into a foreign processes
Tries to harvest and steal Bitcoin Wallet information
Deletes itself after installation
Creates a thread in another existing process (thread injection)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Found many strings related to Crypto-Wallets (likely being stolen)
Found potential ransomware demand text
Checks if the current machine is a virtual machine (disk enumeration)
Tries to harvest and steal browser information (history, passwords, etc)
Sample uses process hollowing technique
Detected VMProtect packer
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
Antivirus or Machine Learning detection for unpacked file
One or more processes crash
Contains functionality to query locales information (e.g. system language)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Found evasive API chain (may stop execution after checking a module file name)
Contains functionality to dynamically determine API calls
Downloads executable code via HTTP
Contains long sleeps (>= 3 min)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Drops files with a non-matching file extension (content does not match file extension)
Drops PE files
Tries to load missing DLLs
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Binary contains a suspicious time stamp
Yara detected Keylogger Generic
Connects to a URL shortener service
Creates a process in suspended mode (likely to inject code)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Contains functionality to check if a debugger is running (IsDebuggerPresent)
PE file contains sections with non-standard names
Contains functionality to query CPU information (cpuid)
Yara detected Credential Stealer
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to call native functions
Found dropped PE file which has not been started or loaded
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Entry point lies outside standard sections
Creates a DirectInput object (often for capturing keystrokes)
Is looking for software installed on the system
Queries information about the installed CPU (vendor, model number etc)
Installs a raw input device (often for capturing keystrokes)
PE file contains an invalid checksum
Uses cacls to modify the permissions of files
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Connects to several IPs in different countries
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Uses Microsoft's Enhanced Cryptographic Provider
Classification
- System is w10x64
file.exe (PID: 5176 cmdline:
C:\Users\u ser\Deskto p\file.exe MD5: 0A0416B98547FB41EC314C676979779E) explorer.exe (PID: 3452 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) 1128.exe (PID: 4608 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\1128.ex e MD5: 93CEC9D367D574FC3120469D0340FB39) conhost.exe (PID: 920 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) rundll32.exe (PID: 5500 cmdline:
"C:\Users \user\AppD ata\Roamin g\vcredist _5f4680.dl l",Options _RunDLL 06 00cc00-00e 0-0478-0ea 3-ae35d8b7 780b MD5: 73C519F050C20580F8A62C849D49215A) A4A.exe (PID: 1332 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\A4A.exe MD5: 34365553C6887DD20EEE38713CEEDECA) A4A.exe (PID: 2208 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\A4A.exe MD5: 34365553C6887DD20EEE38713CEEDECA) icacls.exe (PID: 5428 cmdline:
icacls "C: \Users\use r\AppData\ Local\4512 8750-4e19- 4c02-b365- 166e0d7761 72" /deny *S-1-1-0:( OI)(CI)(DE ,DC) MD5: FF0D1D4317A44C951240FAE75075D501) 8EAD.exe (PID: 4784 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\8EAD.ex e MD5: 422BAE02B141829FF15435A9116E33F7) F207.exe (PID: 4780 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\F207.ex e MD5: A87C48E5E8F12F9FF6F6D868BF9D9252) DE4C.exe (PID: 4776 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\DE4C.ex e MD5: EDB228CBA3FC937A6008E00B44A28343) WerFault.exe (PID: 6112 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 4 776 -s 520 MD5: 9E2B8ACAD48ECCA55C0230D63623661B) 42FE.exe (PID: 1092 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\42FE.ex e MD5: 710475FAD4072F93192DB19F14847C42) llpb1133.exe (PID: 4428 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\llpb11 33.exe" MD5: E80EFC25A192B860387B90C209EF9D6B) yuzhenzhang.exe (PID: 1788 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\yuzhen zhang.exe" MD5: B9363486500E209C05F97330226BBF8A) conhost.exe (PID: 5064 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) 352F.exe (PID: 1328 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\352F.ex e MD5: 710475FAD4072F93192DB19F14847C42) llpb1133.exe (PID: 3952 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\llpb11 33.exe" MD5: E80EFC25A192B860387B90C209EF9D6B) 9760.exe (PID: 3960 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\9760.ex e MD5: 42FBE2A0D64819B3D2FF1E29208A5D77) WerFault.exe (PID: 4572 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 3 960 -s 520 MD5: 9E2B8ACAD48ECCA55C0230D63623661B) 849F.exe (PID: 4968 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\849F.ex e MD5: 8D702FEEDAFB6BA663FA84DD131E049A) ECAC.exe (PID: 6092 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\ECAC.ex e MD5: 34365553C6887DD20EEE38713CEEDECA) ECAC.exe (PID: 5488 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\ECAC.ex e MD5: 34365553C6887DD20EEE38713CEEDECA) WerFault.exe (PID: 1816 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -pss -s 548 -p 39 60 -ip 396 0 MD5: 9E2B8ACAD48ECCA55C0230D63623661B) DC3D.exe (PID: 3344 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\DC3D.ex e MD5: 89AF5F0E7D2B08F92443BD39F80948C8) DC3D.exe (PID: 4432 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\DC3D.ex e MD5: 89AF5F0E7D2B08F92443BD39F80948C8) A4A.exe (PID: 5924 cmdline:
"C:\Users\ user\AppDa ta\Local\4 5128750-4e 19-4c02-b3 65-166e0d7 76172\A4A. exe" --Aut oStart MD5: 34365553C6887DD20EEE38713CEEDECA)
rirdbih (PID: 4936 cmdline:
C:\Users\u ser\AppDat a\Roaming\ rirdbih MD5: 0A0416B98547FB41EC314C676979779E)
A4A.exe (PID: 1284 cmdline:
C:\Users\u ser\AppDat a\Local\45 128750-4e1 9-4c02-b36 5-166e0d77 6172\A4A.e xe --Task MD5: 34365553C6887DD20EEE38713CEEDECA)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
STOP | STOP Djvu Ransomware it is a ransomware which encrypts user data through AES-256 and adds one of the dozen available extensions as marker to the encrypted file's name. It is not used to encrypt the entire file but only the first 5 MB. In its original version it was able to run offline and, in that case, it used a hard-coded key which could be extracted to decrypt files. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Rhadamanthys | According to PCrisk, Rhadamanthys is a stealer-type malware, and as its name implies - it is designed to extract data from infected machines.At the time of writing, this malware is spread through malicious websites mirroring those of genuine software such as AnyDesk, Zoom, Notepad++, and others. Rhadamanthys is downloaded alongside the real program, thus diminishing immediate user suspicion. These sites were promoted through Google ads, which superseded the legitimate search results on the Google search user. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
SmokeLoader | The SmokeLoader family is a generic backdoor with a range of capabilities which depend on the modules included in any given build of the malware. The malware is delivered in a variety of ways and is broadly associated with criminal activity. The malware frequently tries to hide its C2 activity by generating requests to legitimate sites such as microsoft.com, bing.com, adobe.com, and others. Typically the actual Download returns an HTTP 404 but still contains data in the Response Body. |
{"Download URLs": ["http://uaery.top/dl/build2.exe", "http://bihsy.com/files/1/build3.exe"], "C2 url": "http://bihsy.com/test2/get.php", "Ransom note file": "_readme.txt", "Ransom note": "ATTENTION!\r\n\r\nDon't worry, you can return all your files!\r\nAll your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.\r\nThe only method of recovering files is to purchase decrypt tool and unique key for you.\r\nThis software will decrypt all your encrypted files.\r\nWhat guarantees you have?\r\nYou can send one of your encrypted file from your PC and we decrypt it for free.\r\nBut we can decrypt only 1 file for free. File must not contain valuable information.\r\nYou can get and look video overview decrypt tool:\r\nhttps://we.tl/t-UQkYLBSiQ4\r\nPrice of private key and decrypt software is $980.\r\nDiscount 50% available if you contact us first 72 hours, that's price for you is $490.\r\nPlease note that you'll never restore your data without payment.\r\nCheck your e-mail \"Spam\" or \"Junk\" folder if you don't get answer more than 6 hours.\r\n\r\n\r\nTo get this software you need write on our e-mail:\r\nsupport@freshmail.top\r\n\r\nReserve e-mail address to contact us:\r\ndatarestorehelp@airmail.cc\r\n\r\nYour personal ID:\r\n0647JOsie", "Ignore Files": ["ntuser.dat", "ntuser.dat.LOG1", "ntuser.dat.LOG2", "ntuser.pol", ".sys", ".ini", ".DLL", ".dll", ".blf", ".bat", ".lnk", ".regtrans-ms", "C:\\SystemID\\", "C:\\Users\\Default User\\", "C:\\Users\\Public\\", "C:\\Users\\All Users\\", "C:\\Users\\Default\\", "C:\\Documents and Settings\\", "C:\\ProgramData\\", "C:\\Recovery\\", "C:\\System Volume Information\\", "C:\\Users\\%username%\\AppData\\Roaming\\", "C:\\Users\\%username%\\AppData\\Local\\", "C:\\Windows\\", "C:\\PerfLogs\\", "C:\\ProgramData\\Microsoft\\", "C:\\ProgramData\\Package Cache\\", "C:\\Users\\Public\\", "C:\\$Recycle.Bin\\", "C:\\$WINDOWS.~BT\\", "C:\\dell\\", "C:\\Intel\\", "C:\\MSOCache\\", "C:\\Program Files\\", "C:\\Program Files (x86)\\", "C:\\Games\\", "C:\\Windows.old\\", "D:\\Users\\%username%\\AppData\\Roaming\\", "D:\\Users\\%username%\\AppData\\Local\\", "D:\\Windows\\", "D:\\PerfLogs\\", "D:\\ProgramData\\Desktop\\", "D:\\ProgramData\\Microsoft\\", "D:\\ProgramData\\Package Cache\\", "D:\\Users\\Public\\", "D:\\$Recycle.Bin\\", "D:\\$WINDOWS.~BT\\", "D:\\dell\\", "D:\\Intel\\", "D:\\MSOCache\\", "D:\\Program Files\\", "D:\\Program Files (x86)\\", "D:\\Games\\", "E:\\Users\\%username%\\AppData\\Roaming\\", "E:\\Users\\%username%\\AppData\\Local\\", "E:\\Windows\\", "E:\\PerfLogs\\", "E:\\ProgramData\\Desktop\\", "E:\\ProgramData\\Microsoft\\", "E:\\ProgramData\\Package Cache\\", "E:\\Users\\Public\\", "E:\\$Recycle.Bin\\", "E:\\$WINDOWS.~BT\\", "E:\\dell\\", "E:\\Intel\\", "E:\\MSOCache\\", "E:\\Program Files\\", "E:\\Program Files (x86)\\", "E:\\Games\\", "F:\\Users\\%username%\\AppData\\Roaming\\", "F:\\Users\\%username%\\AppData\\Local\\", "F:\\Windows\\", "F:\\PerfLogs\\", "F:\\ProgramData\\Desktop\\", "F:\\ProgramData\\Microsoft\\", "F:\\Users\\Public\\", "F:\\$Recycle.Bin\\", "F:\\$WINDOWS.~BT\\", "F:\\dell\\", "F:\\Intel\\"], "Public Key": "-----BEGIN PUBLIC KEY-----\\\\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6pr4lrmSF+nrv+WJ2ojW\\\\nOwnynOY9I8+LodREL0771QE\\/eG6rOsC0fpMQ9pzAOAr\\/mzGF6pCHp2xgQT98Y2Es\\\\nK17rBgbhru6S98R1Vy6iSd14yiRg9AYFrfYTz3slknBcthhlCQlHPUafEvGWl52w\\\\nTJDdKYcpnitEemrWdAaNig+7sCEbwPtjqGBogMyhNhju1rDhmnU5klYQgI6HVzRr\\\\nIHPFB2M26tUPNgtjGhK1TJQgJIVN3N7f1dJ\\/2+ef59Jh\\/N8EIBwCZPQfmqzfM3rt\\\\n7TVKl4NSOemVMbZx9eiABALPqM5RBn\\/jrVXMLJyp4GBVHuG2lK1N2PWVyZGL5Vxb\\\\nbQIDAQAB\\\\n-----END PUBLIC KEY-----"}
{"C2 list": ["http://bulimu55t.net/", "http://soryytlic4.net/", "http://bukubuka1.net/", "http://novanosa5org.org/", "http://hujukui3.net/", "http://newzelannd66.org/", "http://golilopaster.org/"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_Clipbanker_f9f9e79d | unknown | unknown |
| |
Windows_Trojan_Clipbanker_787b130b | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
Windows_Trojan_Smokeloader_3687686f | unknown | unknown |
| |
Windows_Trojan_Smokeloader_3687686f | unknown | unknown |
| |
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
Click to see the 67 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
SUSP_XORed_URL_in_EXE | Detects an XORed URL in an executable | Florian Roth (Nextron Systems) |
| |
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
MALWARE_Win_STOP | Detects STOP ransomware | ditekSHen |
| |
Windows_Ransomware_Stop_1e8d48ff | unknown | unknown |
| |
SUSP_XORed_URL_in_EXE | Detects an XORed URL in an executable | Florian Roth (Nextron Systems) |
| |
Click to see the 60 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.6179.43.176.649718802043202 02/15/23-16:04:35.265265 |
SID: | 2043202 |
Source Port: | 49718 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.68.8.8.859504532023883 02/15/23-16:04:31.105143 |
SID: | 2023883 |
Source Port: | 59504 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 179.43.176.6192.168.2.680497182853001 02/15/23-16:04:35.292249 |
SID: | 2853001 |
Source Port: | 80 |
Destination Port: | 49718 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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