General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    250420-sy682ayzds

  • MD5

    9d2593f72d9e9fb74f6e3ad33d43384d

  • SHA1

    f249c1c871fcf3872458b3c59b3b71f27a55d8e3

  • SHA256

    58ef711fa31584a80ae7deb28920aacecd518d43d26b45a11b5d09797d04df5c

  • SHA512

    64ba71e5e6ea6bfee65683223e5c7f4741d1535eca67cd7265b4f82e5d7761626a7911ff446534f005d4e77c1063055807b7199685d9988bb57ccb41c8f82187

  • SSDEEP

    768:DuwpFTAY3IQWUe9jqmo2qLoKjPGaG6PIyzjbFgX3i8+Nwd1pZKNoSD0FABDZni:DuwpFTA4/2xKTkDy3bCXS3KpENi4dni

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

197.48.124.155:5505

Mutex

yntVTgixvhf0

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      9d2593f72d9e9fb74f6e3ad33d43384d

    • SHA1

      f249c1c871fcf3872458b3c59b3b71f27a55d8e3

    • SHA256

      58ef711fa31584a80ae7deb28920aacecd518d43d26b45a11b5d09797d04df5c

    • SHA512

      64ba71e5e6ea6bfee65683223e5c7f4741d1535eca67cd7265b4f82e5d7761626a7911ff446534f005d4e77c1063055807b7199685d9988bb57ccb41c8f82187

    • SSDEEP

      768:DuwpFTAY3IQWUe9jqmo2qLoKjPGaG6PIyzjbFgX3i8+Nwd1pZKNoSD0FABDZni:DuwpFTA4/2xKTkDy3bCXS3KpENi4dni

    • 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

MITRE ATT&CK Enterprise v16

Tasks