General

  • Target
    4vp99do7r45gyy0q.exe
  • Size 52KB
  • Sample260623-klfljsbt8n
  • SHA256 76bf761fa28f7a56bec5d5919e78be8f636985411be90c67f0af84f0935ae343
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Attributes
  • anti_virtual

    false

  • certificate

    1ee13lvzh9qwuvfb

  • exclusion_wd

    false

  • hidden_file

    false

  • key

    glb7k1pcen50gxa3jdnrlsvr2q

  • path_client

    %ProgramFiles%\Search.exe

  • path_watch_dog

    r2sf6wgvb&ur*1f2rj$bnwr3i_y

  • pump

    false

  • rootkit

    false

  • task_client

    ShellHost

  • task_watch_dog

    gbd@xw(cfu7#t

  • use_install_admin

    false

  • user_init

    false

Targets

    • Target
      4vp99do7r45gyy0q.exe
    • Size 52KB
    • SHA256 76bf761fa28f7a56bec5d5919e78be8f636985411be90c67f0af84f0935ae343
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat Payload

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

    • Family: Sheetrat, NonEuclid rat

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

    • Modifies WinLogon for persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks