General

  • Target

    PEDIDO DE COMPRAS OC 1203 CRI234.xlsx.exe

  • Size

    615KB

  • Sample

    250108-nlj6hszqej

  • MD5

    934331eda0b472009322a97523b5bfdd

  • SHA1

    0af4e8f64595d302ba3c5b277403230b73277eaa

  • SHA256

    1466c1e6bd4b88ad92eac2240158c6516b8601fc59fc4260711c20e269ba17cb

  • SHA512

    57ce4f3fa2eab5b3792c83e045eb7a0d820b0c6172017fd41dd12f172f64fe2046b92e8bc7a0acf29d3f7d5b5aa35a3fe5fb60749a9bb07d6656bccd78c41576

  • SSDEEP

    12288:keq4E6mfJiLl9fWcbQkpClS+j80IlSgaFguAGszwTPXC2l93dvp1p7Cph8p:dEkD9pClC3ogaFgrRzwVdvp1pVp

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

ergsea.ydns.eu:7393

Mutex

0Yn3xzTdlCbn

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      PEDIDO DE COMPRAS OC 1203 CRI234.xlsx.exe

    • Size

      615KB

    • MD5

      934331eda0b472009322a97523b5bfdd

    • SHA1

      0af4e8f64595d302ba3c5b277403230b73277eaa

    • SHA256

      1466c1e6bd4b88ad92eac2240158c6516b8601fc59fc4260711c20e269ba17cb

    • SHA512

      57ce4f3fa2eab5b3792c83e045eb7a0d820b0c6172017fd41dd12f172f64fe2046b92e8bc7a0acf29d3f7d5b5aa35a3fe5fb60749a9bb07d6656bccd78c41576

    • SSDEEP

      12288:keq4E6mfJiLl9fWcbQkpClS+j80IlSgaFguAGszwTPXC2l93dvp1p7Cph8p:dEkD9pClC3ogaFgrRzwVdvp1pVp

    • AsyncRat

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

    • Asyncrat family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks