General
- Target 63900c0f7415ae0206e139936e4ac2825e89ee30013201d4a0445c404da3fef0
- Size 580KB
- Sample260723-vmljas1yax
- SHA256 63900c0f7415ae0206e139936e4ac2825e89ee30013201d4a0445c404da3fef0
- MD5 9ffa118661c768e8ce8f417216922c29
- SHA1 af5b7873b95d6f1ce5858c730a174b721d212fd7
- SHA512 3fba585cb17a4104b69b9360123605007bd430881e978294e9844fac573ba96caac1021d258d0355865acd7f22eacebaa702132b6009dc82c6d5468bfa21a978
- SSDEEP 6144:tU7djJqZiqIN2kQqnLCPDe6VlWT8b9kcTd5BEz0Ki9xsDRUnenz7Hbyy7AFOPn:ydDN2kQ6GPDPVle8CcbVxsF3nzN7ln
- TLSH T185C4B30DFE91E805DE1E3DB7CFEA20004B7165C1AE1196863109AFFE8B6537259E267C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
НИКСВАР КРЯК 2026/Client.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
НИКСВАР КРЯК 2026/Client.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
sheetrat
-
2.6
-
Sheet_gqqyqlfbcdfwbufh
-
tcp.cloudpub.ru:53939
Targets
-
- Target НИКСВАР КРЯК 2026/Client.exe
- Size 580KB
- SHA256 63ed04a6f8cebbef064a095835dea717c19ffb34da025a41efdbdba58f27a9cc
- MD5 a8bc84168933d98a79bdb62c032f3fde
- SHA1 a14702a39b00fd3607658a13f4b9271afcc10bee
- SHA512 9863712a6069568be304fcc9ff85832589f809bcfe71546a3d44f7efd718719b4224be4cf3b6a3708e89f3ae491d7aa704dade56b8c129abc8335823feb08799
- SSDEEP 6144:/U7djJqZiqIN2kQqnLCPDe6VlWT8b9kcTd5BEz0Ki9xsDRUnenz7Hbyy7AFOP:odDN2kQ6GPDPVle8CcbVxsF3nzN7l
- TLSH T135C4B20DFE91E805DE1E3DB7CFEA20004B7165C1AE1196863109AFFE8B6537259E267C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
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Detects Sheetrat obfuscated version
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Modifies WinLogon for persistence
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1