General

  • Target

    dc76a6c25a4b09e5303f1de55be91bedaf245ee4fca56df2d0bb1edf97d0bcecN.exe

  • Size

    262KB

  • Sample

    250120-ez1kzs1nbn

  • MD5

    b35c19ed08ef62d477e5910f3b10fb20

  • SHA1

    e606866e3cb26a1ea05ecc53365b58942027c676

  • SHA256

    dc76a6c25a4b09e5303f1de55be91bedaf245ee4fca56df2d0bb1edf97d0bcec

  • SHA512

    8abb754fc4d40c7b69575e9e5e84377931003f1b3e2e2a2b16ce00ac250a55737b171bdd14dd1865c30073788cedc97faef65625fc324c53bac949f6308a8736

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eU:WFzDqa86hV6uRRqX1evPlwAb

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

      dc76a6c25a4b09e5303f1de55be91bedaf245ee4fca56df2d0bb1edf97d0bcecN.exe

    • Size

      262KB

    • MD5

      b35c19ed08ef62d477e5910f3b10fb20

    • SHA1

      e606866e3cb26a1ea05ecc53365b58942027c676

    • SHA256

      dc76a6c25a4b09e5303f1de55be91bedaf245ee4fca56df2d0bb1edf97d0bcec

    • SHA512

      8abb754fc4d40c7b69575e9e5e84377931003f1b3e2e2a2b16ce00ac250a55737b171bdd14dd1865c30073788cedc97faef65625fc324c53bac949f6308a8736

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eU:WFzDqa86hV6uRRqX1evPlwAb

    • 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