General

  • Target

    Rebel.7z

  • Size

    8.1MB

  • Sample

    241201-th8mlavrc1

  • MD5

    4a8429dd823216bda95f67f85483a8d9

  • SHA1

    77640784d85848c945820d37794839f346f138d2

  • SHA256

    cef9230ad3111e4a233e61b49ac977d4d25849061a90b05c3e7d6f308022b4de

  • SHA512

    1d4d41cee280c62657b17c2ddc11fc7ce6bab42204d94fe05eed263d139765c19dfd16f2fde4b4e5e8b925c39945c3208600a2bfad941e4723d3bfeb7c30b91a

  • SSDEEP

    196608:15bVwZ4n4D4PLSFpJah2Hc4sEYcGijKseRAKvpZheSaE:155EAWpSt/DcFjqRAKvnhpd

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Rebel.7z

    • Size

      8.1MB

    • MD5

      4a8429dd823216bda95f67f85483a8d9

    • SHA1

      77640784d85848c945820d37794839f346f138d2

    • SHA256

      cef9230ad3111e4a233e61b49ac977d4d25849061a90b05c3e7d6f308022b4de

    • SHA512

      1d4d41cee280c62657b17c2ddc11fc7ce6bab42204d94fe05eed263d139765c19dfd16f2fde4b4e5e8b925c39945c3208600a2bfad941e4723d3bfeb7c30b91a

    • SSDEEP

      196608:15bVwZ4n4D4PLSFpJah2Hc4sEYcGijKseRAKvpZheSaE:155EAWpSt/DcFjqRAKvnhpd

    • AsyncRat

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

    • Asyncrat family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks