General

  • Target

    Client.exe

  • Size

    158KB

  • Sample

    241226-ttbf8szreq

  • MD5

    b9e38162af37c0f29b683c3c307fae6c

  • SHA1

    646eedd6062086bb394c5f5727ff3cfff940e090

  • SHA256

    d020ce862bf6ba26a1b4b0ca76ebc2ce9bc5ade16e52c66b11bc4253a16318a7

  • SHA512

    85440ad4b1258171ddd280e373b31ea2018538256c21ff024d138f4032bb4717875351073fd987e2c0e120f7dbea5bfc9cf32484224e2c04685a13916b8e44b5

  • SSDEEP

    3072:Mbz3H+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPmOO8Y:Mbz3e0ODhTEPgnjuIJzo+PPcfPmB8

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

24.ip.gl.ply.gg:46885

Mutex

BVCkbzdsT

Targets

    • Target

      Client.exe

    • Size

      158KB

    • MD5

      b9e38162af37c0f29b683c3c307fae6c

    • SHA1

      646eedd6062086bb394c5f5727ff3cfff940e090

    • SHA256

      d020ce862bf6ba26a1b4b0ca76ebc2ce9bc5ade16e52c66b11bc4253a16318a7

    • SHA512

      85440ad4b1258171ddd280e373b31ea2018538256c21ff024d138f4032bb4717875351073fd987e2c0e120f7dbea5bfc9cf32484224e2c04685a13916b8e44b5

    • SSDEEP

      3072:Mbz3H+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPmOO8Y:Mbz3e0ODhTEPgnjuIJzo+PPcfPmB8

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • 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