General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    250109-jwbjxawnbr

  • MD5

    69030c7c0d7ed75f53081749da1e1c22

  • SHA1

    98623da151fdbe7f45ad806b0c002878b8a0b7ce

  • SHA256

    e438bbb7f03603305d8892121fc56e9d0327ca8ff34d56228cbfa198a438ede0

  • SHA512

    09e25d55f725f06af3c450ef04b8c89051655df422ab7db0dfa6b864575bf97b0c1f396b4cd3c619cf109e7e1451a9cbda1c84abbec31cbee080f60e9969bd02

  • SSDEEP

    768:luI1tT/w70kWUquzumo2qzEKjPGaG6PIyzjbFgX3ixDqokxD/eBDZWx:luI1tT/kW2tKTkDy3bCXSEodWx

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

83.99.11.13:6606

83.99.11.13:7707

83.99.11.13:8808

Mutex

HTKBgEz9kLr9

Attributes
  • delay

    3

  • install

    true

  • install_file

    virus.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      69030c7c0d7ed75f53081749da1e1c22

    • SHA1

      98623da151fdbe7f45ad806b0c002878b8a0b7ce

    • SHA256

      e438bbb7f03603305d8892121fc56e9d0327ca8ff34d56228cbfa198a438ede0

    • SHA512

      09e25d55f725f06af3c450ef04b8c89051655df422ab7db0dfa6b864575bf97b0c1f396b4cd3c619cf109e7e1451a9cbda1c84abbec31cbee080f60e9969bd02

    • SSDEEP

      768:luI1tT/w70kWUquzumo2qzEKjPGaG6PIyzjbFgX3ixDqokxD/eBDZWx:luI1tT/kW2tKTkDy3bCXSEodWx

    • 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