General

  • Target

    9586be184264c169c7e865f6b954aed24cce3547e479e4c38b13753588b5a083N.exe

  • Size

    937KB

  • Sample

    250117-samvgssmc1

  • MD5

    739120c1f7c118f14b10afab34c9a380

  • SHA1

    2b62139bd0e2187b5379da0283f21675ecc5fdbb

  • SHA256

    9586be184264c169c7e865f6b954aed24cce3547e479e4c38b13753588b5a083

  • SHA512

    e9600c458c851cb6264a35ea0c18bcba828a1d986cbc99c4a50104c930d0f103d9b7dac4905a96506fe42f1d3539cc4ca70db6adbeb6123edd1cdbb525b0879e

  • SSDEEP

    24576:jNA3R5drXm1bYf1c4xt6fLdf+s77ZpwWdBO2JLZULqLfO:O52EfyJWs77ZOAO2Gqi

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default02

C2

woolingbrin.sytes.net:8747

woolingbrin.sytes.net:7477

87.120.121.160:8747

87.120.121.160:7477

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    15

  • install

    true

  • install_file

    vtc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      9586be184264c169c7e865f6b954aed24cce3547e479e4c38b13753588b5a083N.exe

    • Size

      937KB

    • MD5

      739120c1f7c118f14b10afab34c9a380

    • SHA1

      2b62139bd0e2187b5379da0283f21675ecc5fdbb

    • SHA256

      9586be184264c169c7e865f6b954aed24cce3547e479e4c38b13753588b5a083

    • SHA512

      e9600c458c851cb6264a35ea0c18bcba828a1d986cbc99c4a50104c930d0f103d9b7dac4905a96506fe42f1d3539cc4ca70db6adbeb6123edd1cdbb525b0879e

    • SSDEEP

      24576:jNA3R5drXm1bYf1c4xt6fLdf+s77ZpwWdBO2JLZULqLfO:O52EfyJWs77ZOAO2Gqi

    • AsyncRat

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

    • Asyncrat family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks