General
- Target service.exe
- Size 1.6MB
- Sample261020-sjbhtaca93
- SHA256 de7bd08134ec885dae9dfeb90477b50c716775e8a2b0e161475bf26798b0adcd
- MD5 cbc40096f994b3429a35fea43e209793
- SHA1 0570bb6901625eed32c0b871a27e4dba7be78e18
- SHA512 878eb3c26c691d7a6695bdd2816c649d1055ef54b6709dce60814b01ca0fd8acde1536bad6e6ca374c052ff35d5551a3a7d0071ef1bbeb68f17482ca4aa1b4c8
- SSDEEP 24576:McJThDpgm50s20kLuU3Jvdq9k0Eir5bIvwGn6X:MUNDpgoz20kLc3r5bGg
- TLSH T1F4755E0CBD91E804DD2A3CF7CBF550C20B7926E1EF959056201DAFE99B563B219E263C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
service.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
service.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
sheetrat
-
2.6
-
Sheet_sklddsbwesg
-
146.158.73.32:6767
Targets
-
- Target service.exe
- Size 1.6MB
- SHA256 de7bd08134ec885dae9dfeb90477b50c716775e8a2b0e161475bf26798b0adcd
- MD5 cbc40096f994b3429a35fea43e209793
- SHA1 0570bb6901625eed32c0b871a27e4dba7be78e18
- SHA512 878eb3c26c691d7a6695bdd2816c649d1055ef54b6709dce60814b01ca0fd8acde1536bad6e6ca374c052ff35d5551a3a7d0071ef1bbeb68f17482ca4aa1b4c8
- SSDEEP 24576:McJThDpgm50s20kLuU3Jvdq9k0Eir5bIvwGn6X:MUNDpgoz20kLc3r5bGg
- TLSH T1F4755E0CBD91E804DD2A3CF7CBF550C20B7926E1EF959056201DAFE99B563B219E263C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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
-
Adds Run key to start application
-
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
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
1