General
- Target NursultanCrack.exe
- Size 360KB
- Sample260710-w7tk3se12m
- SHA256 31d54f8ca8b8f38857b719f97ad4e88218256bcf2690b3ae876196a4366abf57
- MD5 35e7f4289f5856d4265ec67987f8d30d
- SHA1 dd053a9b191b448d1db8bd3722a902c86b0f02d3
- SHA512 b1b0546b94c5597df63a2c945863410616040cbbcea358c57d6194736eb6066719190b69da960188395d1fd88017235d29efc3b6f56ade95ab8d90f0329f1b1c
- SSDEEP 6144:u52Ewp4YM3bxNF3r209EdRh+7lb8qFjG5ccRFRwWaXv6:A2EfY6J34dRWiqjCtnG
- TLSH T1BA74811CBE51E8C4CE692FF38BE65061577315C63EE2E253364A6EF8C7443A649A207C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
NursultanCrack.exe
Resource
win10v2004-20260513-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
NursultanCrack.exe
Resource
win11ltsc2024-20260710-en
14 signatures
150 seconds
Malware Config
Extracted
Family
-
sheetrat
Version
-
2.6.4
Campaign
-
Sheet_tzxpxvuvnkfviwjg
C2
-
91.92.42.94:1030
Targets
-
- Target NursultanCrack.exe
- Size 360KB
- SHA256 31d54f8ca8b8f38857b719f97ad4e88218256bcf2690b3ae876196a4366abf57
- MD5 35e7f4289f5856d4265ec67987f8d30d
- SHA1 dd053a9b191b448d1db8bd3722a902c86b0f02d3
- SHA512 b1b0546b94c5597df63a2c945863410616040cbbcea358c57d6194736eb6066719190b69da960188395d1fd88017235d29efc3b6f56ade95ab8d90f0329f1b1c
- SSDEEP 6144:u52Ewp4YM3bxNF3r209EdRh+7lb8qFjG5ccRFRwWaXv6:A2EfY6J34dRWiqjCtnG
- TLSH T1BA74811CBE51E8C4CE692FF38BE65061577315C63EE2E253364A6EF8C7443A649A207C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Modifies WinLogon for persistence
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1