General

  • Target

    Client.exe

  • Size

    47KB

  • Sample

    240719-1r4tbs1hlk

  • MD5

    22fbde164ea9b7ff6cb091afdbdc90e6

  • SHA1

    1adf25d75b1d64c3a2d012bec5bdb91c98fb1dca

  • SHA256

    21c55fe4ef392c6fe171e2a79ca13e014260bb12bb5f20ec962771b9d8703a89

  • SHA512

    4e05a549462d9f231aa65c2709c556580230674be68df79c7446715df0aba02e4937a8ed1a1231557ae7d839e3aa08fbac873624b41ce224119ecee6b5602598

  • SSDEEP

    768:L19TQo2oIL4+M0+LiktelDSN+iV08YbygenuQN6vEgK/J/ZVc6KN:L1pQoVsktKDs4zb1FnkJ/ZVclN

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

tr3.localto.net:1604

tr3.localto.net:1798

tr3.localto.net:4262

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_file

    VIRUSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSs.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Client.exe

    • Size

      47KB

    • MD5

      22fbde164ea9b7ff6cb091afdbdc90e6

    • SHA1

      1adf25d75b1d64c3a2d012bec5bdb91c98fb1dca

    • SHA256

      21c55fe4ef392c6fe171e2a79ca13e014260bb12bb5f20ec962771b9d8703a89

    • SHA512

      4e05a549462d9f231aa65c2709c556580230674be68df79c7446715df0aba02e4937a8ed1a1231557ae7d839e3aa08fbac873624b41ce224119ecee6b5602598

    • SSDEEP

      768:L19TQo2oIL4+M0+LiktelDSN+iV08YbygenuQN6vEgK/J/ZVc6KN:L1pQoVsktKDs4zb1FnkJ/ZVclN

    • AsyncRat

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Renames multiple (1711) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

MITRE ATT&CK Enterprise v15

Tasks