General

  • Target

    a8a72cccb4eab0b9ee84f1a9ff5cda234eae5c182c0d138c4e6938fdf30e397f.exe

  • Size

    270KB

  • Sample

    241203-mv271ssjbx

  • MD5

    648561eb56761122d8ad1121637dec68

  • SHA1

    2fb61de18ffb3e0f5410ed1f497ca5d2528d150b

  • SHA256

    a8a72cccb4eab0b9ee84f1a9ff5cda234eae5c182c0d138c4e6938fdf30e397f

  • SHA512

    aad58d748208cdb1d7f6c2c884a1dd93b13d6715f3047678b3daf97054ae3d6939a1585f3b80f738be6df2c8c429bd8a6307432636046ab8715d536dcdedf6d4

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdm:WFzDqa86hV6uRRqX1evPlwAEdm

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

      a8a72cccb4eab0b9ee84f1a9ff5cda234eae5c182c0d138c4e6938fdf30e397f.exe

    • Size

      270KB

    • MD5

      648561eb56761122d8ad1121637dec68

    • SHA1

      2fb61de18ffb3e0f5410ed1f497ca5d2528d150b

    • SHA256

      a8a72cccb4eab0b9ee84f1a9ff5cda234eae5c182c0d138c4e6938fdf30e397f

    • SHA512

      aad58d748208cdb1d7f6c2c884a1dd93b13d6715f3047678b3daf97054ae3d6939a1585f3b80f738be6df2c8c429bd8a6307432636046ab8715d536dcdedf6d4

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdm:WFzDqa86hV6uRRqX1evPlwAEdm

    • 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