General

  • Target
    ikads.exe
  • Size 198KB
  • Sample260728-ww4a5sem4v
  • SHA256 561e606075641e0c40666e28810c540b7102923b9aebb4622ab120d137c491fb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • 1.8

Campaign
  • User

C2
  • tcp.niceports.shop:23223

Mutex
  • l7xs7y7m57a@(m

Attributes
  • anti_virtual

    false

  • certificate

    rgjsyki26qg1aklk

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watch_dog

    true

  • key

    etcbhjwgy9rjpqhdqi6

  • path_client

    %ProgramFiles%\Java.exe

  • path_watch_dog

    %Windows%\System.exe

  • pump

    false

  • rootkit

    vszmzxfxe163wbk

  • task_client

    ShellHost

  • task_watch_dog

    CookieManager

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      ikads.exe
    • Size 198KB
    • SHA256 561e606075641e0c40666e28810c540b7102923b9aebb4622ab120d137c491fb
    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • 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.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks