General

  • Target

    Client.exe

  • Size

    158KB

  • Sample

    250129-fka78a1pdv

  • MD5

    d8fdc3e470f0d242e52ba6d2678749d0

  • SHA1

    3d33f93355bfe9f1575219cc73485d67371ef1a0

  • SHA256

    c5d3e50be9fa5152dcb8855ec98bb0432a02f123d1493c84cc56b9f880517717

  • SHA512

    cc2c8c728e7de468cbc58dda017cc2f847e9b04e55211a0a351a6aed3d21681a7225fb24d60d410e49489da4966819c316e9401021f747c2ee706d4fecb98bf6

  • SSDEEP

    3072:rbziH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPJRO8Y:rbzie0ODhTEPgnjuIJzo+PPcfPJc8

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

understanding-described.gl.at.ply.gg:3953

Mutex

UmvLBIzwz

Targets

    • Target

      Client.exe

    • Size

      158KB

    • MD5

      d8fdc3e470f0d242e52ba6d2678749d0

    • SHA1

      3d33f93355bfe9f1575219cc73485d67371ef1a0

    • SHA256

      c5d3e50be9fa5152dcb8855ec98bb0432a02f123d1493c84cc56b9f880517717

    • SHA512

      cc2c8c728e7de468cbc58dda017cc2f847e9b04e55211a0a351a6aed3d21681a7225fb24d60d410e49489da4966819c316e9401021f747c2ee706d4fecb98bf6

    • SSDEEP

      3072:rbziH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPJRO8Y:rbzie0ODhTEPgnjuIJzo+PPcfPJc8

    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

    • Arrowrat family

    • 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.

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks