General

  • Target
    anter.v2.exe
  • Size 581.2MB
  • Sample260720-ren3nsev8s
  • SHA256 d3818defc0ba6c26cb7ba872ee2f798ecf28aaaff479552b6786dc3e5c338fff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sheetrat

Version
  • 1.8

Campaign
  • MClient

C2
  • tyapa.localto.net:9124

Mutex
  • T&ns9@f8sRhtbmM&)4BTi(j9Uz

Attributes
  • anti_virtual

    true

  • certificate

    rly43jVXH426LtdHJv

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watch_dog

    true

  • key

    vVij15hqDI5qIXDNsTFRFWckmfjl

  • path_client

    %Windows%\Sub\xdwdMalwareDef.exe

  • path_watch_dog

    %Windows%\Sub\xdwdWindowsUpdate.exe

  • pump

    true

  • rootkit

    olWQLTCIZlegc9NDX

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      anter.v2.exe
    • Size 581.2MB
    • SHA256 d3818defc0ba6c26cb7ba872ee2f798ecf28aaaff479552b6786dc3e5c338fff
    • 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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks