General
- Target Client.exe
- Size 390KB
- Sample260820-j9yatssfrd
- SHA256 82a85f38004f19cd46f7faec957c715af4041c75e167c9a181c5d24526746109
- MD5 d36604e973ce1e5aaa0742ea9254a12e
- SHA1 35a8cc8218d12e5d72f01165ef564a8b4b2d5981
- SHA512 ab47a95f36380d52a6fe49fd9d448a2d20c5b6382733e0cedfa089b054116473da1097431d43380285d68aa7cbeaa246438aded56215f86213aaf4076e6dffab
- SSDEEP 6144:R/YiYR3PYwiSjFMl5OBe6VlWT8b9XUWdZdb2UDo74by9WJ:189YEzPVle8dxdZtmve
- TLSH T10E84C30CFE91F805DE1E3D77CBE610004B7126D12E229256314AAFFD8B653B658E66BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Client.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
sheetrat
-
2.6
-
Sheet_duqqpvfula
-
dasdasdadfs-60695.portmap.host:60695
Targets
-
- Target Client.exe
- Size 390KB
- SHA256 82a85f38004f19cd46f7faec957c715af4041c75e167c9a181c5d24526746109
- MD5 d36604e973ce1e5aaa0742ea9254a12e
- SHA1 35a8cc8218d12e5d72f01165ef564a8b4b2d5981
- SHA512 ab47a95f36380d52a6fe49fd9d448a2d20c5b6382733e0cedfa089b054116473da1097431d43380285d68aa7cbeaa246438aded56215f86213aaf4076e6dffab
- SSDEEP 6144:R/YiYR3PYwiSjFMl5OBe6VlWT8b9XUWdZdb2UDo74by9WJ:189YEzPVle8dxdZtmve
- TLSH T10E84C30CFE91F805DE1E3D77CBE610004B7126D12E229256314AAFFD8B653B658E66BC
- 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
-
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
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1