General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    250109-jse3xstnaz

  • MD5

    809b18b79b9518de77d2b7c2953fc52b

  • SHA1

    3eecaed2b3a051b9a25366f8ac3cac8bff9fba2d

  • SHA256

    53b332cfe1c4c44836638f462051a11c4a1ffea657c0fb2395d56bfd1d5ed8ae

  • SHA512

    42a4a3fb24ac5ac28895693269e30f10339668061a396ffc5ce23d0f479b9c600dbf7b417f574c78862f7b2192f9e3a81efd4c98ef8d765689899b55d25c17b0

  • SSDEEP

    768:luI1tT/w70kWUquzumo2qzEKjPGaG6PIyzjbFgX3iMZJcv88PKRzyBDZWx:luI1tT/kW2tKTkDy3bCXSMHsK5MdWx

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

VeBGOg1bXU2p

Attributes
  • delay

    3

  • install

    true

  • install_file

    virus.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      809b18b79b9518de77d2b7c2953fc52b

    • SHA1

      3eecaed2b3a051b9a25366f8ac3cac8bff9fba2d

    • SHA256

      53b332cfe1c4c44836638f462051a11c4a1ffea657c0fb2395d56bfd1d5ed8ae

    • SHA512

      42a4a3fb24ac5ac28895693269e30f10339668061a396ffc5ce23d0f479b9c600dbf7b417f574c78862f7b2192f9e3a81efd4c98ef8d765689899b55d25c17b0

    • SSDEEP

      768:luI1tT/w70kWUquzumo2qzEKjPGaG6PIyzjbFgX3iMZJcv88PKRzyBDZWx:luI1tT/kW2tKTkDy3bCXSMHsK5MdWx

    • 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