General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    250302-s6xpkaxrs2

  • MD5

    670af6cdd160ac768544d9a7ebe9975e

  • SHA1

    b96f901ab0ca03dcbc348c4f25839153265357d9

  • SHA256

    aaebd2f26a0aa13a312b08d6c1f6fd62f57e744727da88c0c44d8d23c778dddd

  • SHA512

    c491b5bb1db904ddf2d34add8794eed7ba074d633f4c5439ffdf41dbd23cf5d8f182808de9734a25b417229d02b814bd9bc35ec9c29861ed0588e2d9cfdb1166

  • SSDEEP

    768:UuETKT0k3qXWUrV6e1mo2qyIQKjPGaG6PIyzjbFgX3i/p0yXGH0YWBDZVj:UuETKT0cE2/1KTkDy3bCXS/p0yu8dVj

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

197.48.74.234:6606

Mutex

xYOOhhxRbEW7

Attributes
  • delay

    3

  • install

    true

  • install_file

    ratatoulie.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      670af6cdd160ac768544d9a7ebe9975e

    • SHA1

      b96f901ab0ca03dcbc348c4f25839153265357d9

    • SHA256

      aaebd2f26a0aa13a312b08d6c1f6fd62f57e744727da88c0c44d8d23c778dddd

    • SHA512

      c491b5bb1db904ddf2d34add8794eed7ba074d633f4c5439ffdf41dbd23cf5d8f182808de9734a25b417229d02b814bd9bc35ec9c29861ed0588e2d9cfdb1166

    • SSDEEP

      768:UuETKT0k3qXWUrV6e1mo2qyIQKjPGaG6PIyzjbFgX3i/p0yXGH0YWBDZVj:UuETKT0cE2/1KTkDy3bCXS/p0yu8dVj

    • AsyncRat

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

    • Asyncrat family

    • 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