General
- Target pulse_launchеr.exe
- Size 3.1MB
- Sample260814-bbs98aed74
- SHA256 92f8f069c032422eb6048ce1a648bd140dab9d3cfca5c855e2b56e1ac6f1cc7b
- MD5 da4dc2203770bb12d6a2d5b38a5880a0
- SHA1 66daed03974ace9055154d3e818bd5ef957ef651
- SHA512 3bc8d2d19be258ced3a13e41759ebf0556cd230d407b91ce7a6005ebec830dfddb77fd8a7edeeceb2d75a25aebcddc2ce5cef5dd4bc164024236624435886715
- SSDEEP 98304:0xPvhSPnC38hCUL7Ig5Us7gYyE35CXbbVtY8K04:0Pv4PEeIg5xgYR3EXbZm8Z
- TLSH T1D5E533F9937653CCDB2AA2353FC3F9542305C189BE9149D86174B250EB394E6FEC6228
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
pulse_launchеr.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
pulse_launchеr.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
pulse_launchеr.exe
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
pulse_launchеr.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
sheetrat
-
2.6
-
Sheet_jdrwrjcimkcahs
-
91.92.47.228:1154
Targets
-
- Target pulse_launchеr.exe
- Size 3.1MB
- SHA256 92f8f069c032422eb6048ce1a648bd140dab9d3cfca5c855e2b56e1ac6f1cc7b
- MD5 da4dc2203770bb12d6a2d5b38a5880a0
- SHA1 66daed03974ace9055154d3e818bd5ef957ef651
- SHA512 3bc8d2d19be258ced3a13e41759ebf0556cd230d407b91ce7a6005ebec830dfddb77fd8a7edeeceb2d75a25aebcddc2ce5cef5dd4bc164024236624435886715
- SSDEEP 98304:0xPvhSPnC38hCUL7Ig5Us7gYyE35CXbbVtY8K04:0Pv4PEeIg5xgYR3EXbZm8Z
- TLSH T1D5E533F9937653CCDB2AA2353FC3F9542305C189BE9149D86174B250EB394E6FEC6228
- 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
-
Checks whether UAC is enabled
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
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1