General

  • Target

    AsyncClient.bin

  • Size

    47KB

  • Sample

    230427-bp9jcseg9t

  • MD5

    cca9008a9ed95dba2d8c936c49a08a30

  • SHA1

    31286d0a6f43173be1b8e659616d4459080c4060

  • SHA256

    6ea0e93896ccb270f4e5d5cc733acb8bfff3babbcb8ad09573564bb4e5cac089

  • SHA512

    3e326b245c2ac068ec3c4c8382b4905bec7ccd8d36352bd31004cf4ad25d9ce8411bfd5000db15a015bb45032a9b13a7c93d4c65c2a34be531021280541417e8

  • SSDEEP

    768:uukzVT0kLd3WULgPdVmo2qDAT4H1HnPIBhmz3r0bJqdI60sJ56keUlSBDZwx:uukzVT0Mq12ntBhmsbJiI3sJ5jeysdwx

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

37.75.98.113:6666

Mutex

AsyncMutex_6SI8OoPYh

Attributes
  • delay

    3

  • install

    true

  • install_file

    svhost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.bin

    • Size

      47KB

    • MD5

      cca9008a9ed95dba2d8c936c49a08a30

    • SHA1

      31286d0a6f43173be1b8e659616d4459080c4060

    • SHA256

      6ea0e93896ccb270f4e5d5cc733acb8bfff3babbcb8ad09573564bb4e5cac089

    • SHA512

      3e326b245c2ac068ec3c4c8382b4905bec7ccd8d36352bd31004cf4ad25d9ce8411bfd5000db15a015bb45032a9b13a7c93d4c65c2a34be531021280541417e8

    • SSDEEP

      768:uukzVT0kLd3WULgPdVmo2qDAT4H1HnPIBhmz3r0bJqdI60sJ56keUlSBDZwx:uukzVT0Mq12ntBhmsbJiI3sJ5jeysdwx

    Score
    10/10
    • 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 v6

Tasks