General

  • Target
    service.exe
  • Size 1.6MB
  • Sample261020-sjbhtaca93
  • SHA256 de7bd08134ec885dae9dfeb90477b50c716775e8a2b0e161475bf26798b0adcd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • 2.6

Campaign
  • Sheet_sklddsbwesg

C2
  • 146.158.73.32:6767

Targets

    • Target
      service.exe
    • Size 1.6MB
    • SHA256 de7bd08134ec885dae9dfeb90477b50c716775e8a2b0e161475bf26798b0adcd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat obfuscated version

    • Family: Sheetrat, NonEuclid rat

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • 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

Tasks