General
- Target fgfdsdfsdfsdf.exe
- Size 313KB
- Sample260816-sphjbadn5v
- SHA256 bb28ce9b6d021106398160e0874eb824bb724f4c40659a8abd89aaec9c878960
- MD5 d975a770e900995019087efda8b031ba
- SHA1 b0b570b3d4e6efca82594e663ebb1fec7f726d3b
- SHA512 b38a7534576df0d2366e0c102f1cbdfcf7e65459fbf86c4008d0c287adef07dd38b91dcfea39cfe34ba84ffe00a6361beafb5c67fbb6da2bb71aed076d4406f8
- SSDEEP 6144:3Cw4Xcit6sre6VlWT8b9x4LFeuiEDgGBZg7gbrD0j4mJ6:yPXcWPVle8mJRCJ
- TLSH T1A664D31CFE91F805DE5E3D37CBE610108B7121C22E229252325AAFFD8B5937659E61BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
fgfdsdfsdfsdf.exe
Resource
win10v2004-20260513-en
18 signatures
900 seconds
Malware Config
Extracted
Family
-
sheetrat
Version
-
2.6
Campaign
-
Sheet_rjknnhelcnb
C2
-
David9002-57451.portmap.host:57451
Targets
-
- Target fgfdsdfsdfsdf.exe
- Size 313KB
- SHA256 bb28ce9b6d021106398160e0874eb824bb724f4c40659a8abd89aaec9c878960
- MD5 d975a770e900995019087efda8b031ba
- SHA1 b0b570b3d4e6efca82594e663ebb1fec7f726d3b
- SHA512 b38a7534576df0d2366e0c102f1cbdfcf7e65459fbf86c4008d0c287adef07dd38b91dcfea39cfe34ba84ffe00a6361beafb5c67fbb6da2bb71aed076d4406f8
- SSDEEP 6144:3Cw4Xcit6sre6VlWT8b9x4LFeuiEDgGBZg7gbrD0j4mJ6:yPXcWPVle8mJRCJ
- TLSH T1A664D31CFE91F805DE5E3D37CBE610108B7121C22E229252325AAFFD8B5937659E61BC
- 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
-
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
1