General

  • Target

    startup_str.bat

  • Size

    382KB

  • Sample

    241006-1qx96asamh

  • MD5

    8b1f260a182f74419011f14a8ba21a37

  • SHA1

    48d8da3f5971ebd6b358b6b63491b5e68f099a6c

  • SHA256

    478ca90bdf1d94b880dd18c1fd1a5b6124d4e1c4b77c546df88a0aa992aeb225

  • SHA512

    509a8b51cb3922f9be6c94029abbc4611b1ce438262abc9fef414780e97d7542d214ae42866ccaf540b52e6cfef017abfc00c891643b3b81753c9f4115ad64aa

  • SSDEEP

    6144:UJ+xnM15AXYHvdijZhhzPrJaBuLEQ/npzItPvshlqfyef:f8udDJ5hmPvqlRy

Malware Config

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

unam

C2

windowsignn.theworkpc.com:6606

Mutex

AsyncMutex_5552

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      startup_str.bat

    • Size

      382KB

    • MD5

      8b1f260a182f74419011f14a8ba21a37

    • SHA1

      48d8da3f5971ebd6b358b6b63491b5e68f099a6c

    • SHA256

      478ca90bdf1d94b880dd18c1fd1a5b6124d4e1c4b77c546df88a0aa992aeb225

    • SHA512

      509a8b51cb3922f9be6c94029abbc4611b1ce438262abc9fef414780e97d7542d214ae42866ccaf540b52e6cfef017abfc00c891643b3b81753c9f4115ad64aa

    • SSDEEP

      6144:UJ+xnM15AXYHvdijZhhzPrJaBuLEQ/npzItPvshlqfyef:f8udDJ5hmPvqlRy

    • AsyncRat

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

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks