General

  • Target

    0f9616033c3e2c3df40e50ccf9cbe8ffb0954569acb29f9bfb5e18d7c431254d

  • Size

    87KB

  • Sample

    230317-hqj4esgg21

  • MD5

    1cf38074d1eec7ff196912f6b2d8c0c1

  • SHA1

    858c4fbf7be9b57538439ce6b9c69d92803d4719

  • SHA256

    0f9616033c3e2c3df40e50ccf9cbe8ffb0954569acb29f9bfb5e18d7c431254d

  • SHA512

    399d4feb12714442b7f7992bee741e26c0573f65df197ffb88ccc5a069d559b3c22907d5c40194d594db67e83ab7bdf751d500eadc58cd0eb1dbb21fc26a48db

  • SSDEEP

    1536:qgboTbL7aqSsvPCMjZHjmP8ibPFhFFbgoq1Pb3phQVvshbg+25gcp:qguf7aqSNeZHMVLbgoq1Pb3phQVvshb0

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DefenderSmartScren

C2

217.64.31.3:8437

Mutex

DefenderSmartScren

Attributes
  • delay

    3

  • install

    false

  • install_file

    SecurityHealtheurvice.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      0f9616033c3e2c3df40e50ccf9cbe8ffb0954569acb29f9bfb5e18d7c431254d

    • Size

      87KB

    • MD5

      1cf38074d1eec7ff196912f6b2d8c0c1

    • SHA1

      858c4fbf7be9b57538439ce6b9c69d92803d4719

    • SHA256

      0f9616033c3e2c3df40e50ccf9cbe8ffb0954569acb29f9bfb5e18d7c431254d

    • SHA512

      399d4feb12714442b7f7992bee741e26c0573f65df197ffb88ccc5a069d559b3c22907d5c40194d594db67e83ab7bdf751d500eadc58cd0eb1dbb21fc26a48db

    • SSDEEP

      1536:qgboTbL7aqSsvPCMjZHjmP8ibPFhFFbgoq1Pb3phQVvshbg+25gcp:qguf7aqSNeZHMVLbgoq1Pb3phQVvshb0

    • AsyncRat

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

    • Async RAT payload

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks