General

  • Target

    bec2caf44369e10717bc1024c82dbb07335141e0cf5e8761b88614323ebc6b35N.exe

  • Size

    271KB

  • Sample

    250104-a2xjwssjhz

  • MD5

    5fc2787df146f4ea832f2ca787bc4550

  • SHA1

    e2bb26b86e5701d87457bd908d6c7e2454eb6f86

  • SHA256

    bec2caf44369e10717bc1024c82dbb07335141e0cf5e8761b88614323ebc6b35

  • SHA512

    b2601a0964b50d40fd527ccbfdad29f2fdfa84bd65d07a2d91409a3e53bc72724c26b3589a028faefc8c289b83aca058e7a4f0af7c04dee18a21deaf0bf51196

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdU:WFzDqa86hV6uRRqX1evPlwAEdU

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      bec2caf44369e10717bc1024c82dbb07335141e0cf5e8761b88614323ebc6b35N.exe

    • Size

      271KB

    • MD5

      5fc2787df146f4ea832f2ca787bc4550

    • SHA1

      e2bb26b86e5701d87457bd908d6c7e2454eb6f86

    • SHA256

      bec2caf44369e10717bc1024c82dbb07335141e0cf5e8761b88614323ebc6b35

    • SHA512

      b2601a0964b50d40fd527ccbfdad29f2fdfa84bd65d07a2d91409a3e53bc72724c26b3589a028faefc8c289b83aca058e7a4f0af7c04dee18a21deaf0bf51196

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdU:WFzDqa86hV6uRRqX1evPlwAEdU

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks