General
- Target Client.exe
- Size 354KB
- Sample260719-mj62tsht2p
- SHA256 d4d3351f74c728e673e3c1cab40bd3550a66c76423b790aca7860c62dbcd7a90
- MD5 7e619b1975b4eb6803f032106391593c
- SHA1 14d3f633bb1c54b5d55523515f2007568ee9402a
- SHA512 b459850b125c7fe6dc7ea26eb8108ce4b7c99f56a922a92a2a4f4fac9146d2ad3541e78ee81679747504204f589673731c47fdf0cf8cf084cfbb5b625a29b1d8
- SSDEEP 6144:mRxG6n7rXOC77MDB3COU2+ZZ7G1KAcyefG++b+nj2:mi0GUrjG0
- TLSH T11B74A20CFE91F804DD1A3E77CFEA18105B7124C22F129256314A6FFD97693B658A26BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
Client.exe
Resource
win11ltsc2024-20260709-en
14 signatures
150 seconds
Malware Config
Extracted
Family
-
sheetrat
Campaign
-
Sheet_mlqxvdlobvxqeu
C2
-
tcp.niceports.shop:20000
Targets
-
- Target Client.exe
- Size 354KB
- SHA256 d4d3351f74c728e673e3c1cab40bd3550a66c76423b790aca7860c62dbcd7a90
- MD5 7e619b1975b4eb6803f032106391593c
- SHA1 14d3f633bb1c54b5d55523515f2007568ee9402a
- SHA512 b459850b125c7fe6dc7ea26eb8108ce4b7c99f56a922a92a2a4f4fac9146d2ad3541e78ee81679747504204f589673731c47fdf0cf8cf084cfbb5b625a29b1d8
- SSDEEP 6144:mRxG6n7rXOC77MDB3COU2+ZZ7G1KAcyefG++b+nj2:mi0GUrjG0
- TLSH T11B74A20CFE91F804DD1A3E77CFEA18105B7124C22F129256314A6FFD97693B658A26BC
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Detects Sheetrat obfuscated version
-
Modifies WinLogon for persistence
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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
1Scheduled Task/Job
1Scheduled Task
1