General

  • Target

    SolaraB2.exe

  • Size

    48KB

  • Sample

    241202-w16baswmbv

  • MD5

    71fe70139bb3fc78601c7c3da0df9cb2

  • SHA1

    ed8a1fb5abd05d948d9adb4a8257788b768e3d38

  • SHA256

    18ed10ae7b3ed84595be2e012aa64544ba5751eca4edfa310d7de939f75e822f

  • SHA512

    173a90f29874165342764835bd25d3c10dd27f615015104367897a9a50ce4a5ddc9880e6468df7ccedcf6cf2d3f6a9c26d492b5a5dade8c8b0e9795b82c53f30

  • SSDEEP

    768:euir1TUEFSuWUoV3kmo2qzHl7VZcJIPIKamfZ0bn9bmIA5WS9bdXm2BDZzN:euir1TUKP28cJtKa6ebnQbWmb9mYdzN

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

R3dAGQsLxm1j

Attributes
  • delay

    3

  • install

    true

  • install_file

    solara.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      SolaraB2.exe

    • Size

      48KB

    • MD5

      71fe70139bb3fc78601c7c3da0df9cb2

    • SHA1

      ed8a1fb5abd05d948d9adb4a8257788b768e3d38

    • SHA256

      18ed10ae7b3ed84595be2e012aa64544ba5751eca4edfa310d7de939f75e822f

    • SHA512

      173a90f29874165342764835bd25d3c10dd27f615015104367897a9a50ce4a5ddc9880e6468df7ccedcf6cf2d3f6a9c26d492b5a5dade8c8b0e9795b82c53f30

    • SSDEEP

      768:euir1TUEFSuWUoV3kmo2qzHl7VZcJIPIKamfZ0bn9bmIA5WS9bdXm2BDZzN:euir1TUKP28cJtKa6ebnQbWmb9mYdzN

    • 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