General

  • Target

    rex.exe

  • Size

    3.8MB

  • Sample

    241010-vqtdbawhqd

  • MD5

    f9167c360e2d98e3d6cdc7bd1bbb6bbb

  • SHA1

    5c1f2e1fb6c9767948ef64e822ef53b3059a8410

  • SHA256

    6dbb801d621a57c4b4cb499acabaaa597c27db6050a7e98eb22d5111a0d4dea6

  • SHA512

    d0e5eebe6a786321c3677d79ebbf0149d7fd5c4a0b95e717c8bd49c7f266a8bac9a077a473dd7a5711005afdb2bf9f1d95efed9fa7e2397b41a71b772c1883d6

  • SSDEEP

    1536:Yu6ZdTv2S2deM1+paj/6GUIbJUuBoYudId44:Yu6vTv2S2dr1Aaj/1UIbJUuB4iu4

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

WJ7ad2hfOKxk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target

      rex.exe

    • Size

      3.8MB

    • MD5

      f9167c360e2d98e3d6cdc7bd1bbb6bbb

    • SHA1

      5c1f2e1fb6c9767948ef64e822ef53b3059a8410

    • SHA256

      6dbb801d621a57c4b4cb499acabaaa597c27db6050a7e98eb22d5111a0d4dea6

    • SHA512

      d0e5eebe6a786321c3677d79ebbf0149d7fd5c4a0b95e717c8bd49c7f266a8bac9a077a473dd7a5711005afdb2bf9f1d95efed9fa7e2397b41a71b772c1883d6

    • SSDEEP

      1536:Yu6ZdTv2S2deM1+paj/6GUIbJUuBoYudId44:Yu6vTv2S2dr1Aaj/1UIbJUuB4iu4

    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks