General

  • Target

    windows.exe

  • Size

    48KB

  • Sample

    250124-hlxhysvraw

  • MD5

    caf984985b1edff4578c541d5847ff68

  • SHA1

    237b534ce0b1c4a11b7336ea7ef1c414d53a516d

  • SHA256

    2bca6c0efecf8aaf7d57c357029d1cdf18f53ace681c77f27843131e03a907de

  • SHA512

    6c49328cc9255a75dfa22196dcb1f8e023f83d57bc3761ad59e7086345c6c01b0079127b57cded9da435a77904de9a7d3dadd5586c22c3b869c531203e4e5a0f

  • SSDEEP

    768:Uu1a21T3EiJfWUzuydmo2qzxP+xNm5Ph38PIWLl50bvpB2Gs6yXA15gWkPMUBDZ5:Uu1a21T3xN2EPGuPhxkl+bvpB+3A7gWU

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

System Program

C2

tuna91.duckdns.org:1604

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    system.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      windows.exe

    • Size

      48KB

    • MD5

      caf984985b1edff4578c541d5847ff68

    • SHA1

      237b534ce0b1c4a11b7336ea7ef1c414d53a516d

    • SHA256

      2bca6c0efecf8aaf7d57c357029d1cdf18f53ace681c77f27843131e03a907de

    • SHA512

      6c49328cc9255a75dfa22196dcb1f8e023f83d57bc3761ad59e7086345c6c01b0079127b57cded9da435a77904de9a7d3dadd5586c22c3b869c531203e4e5a0f

    • SSDEEP

      768:Uu1a21T3EiJfWUzuydmo2qzxP+xNm5Ph38PIWLl50bvpB2Gs6yXA15gWkPMUBDZ5:Uu1a21T3xN2EPGuPhxkl+bvpB+3A7gWU

    • 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