General

  • Target
    0b727be4a20661b2f440b8fb537cc00719e0d70926487b977caf8713c112a2e2.bin
  • Size 645KB
  • Sample260928-dthmjss18n
  • SHA256 0b727be4a20661b2f440b8fb537cc00719e0d70926487b977caf8713c112a2e2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • lg.sonqhong.com:80

  • lg.sonqhong.com:443

  • lg.sonqhong.com:8080

Mutex
  • 8KlUBhFQHvym

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      PO2606-00023.bat
    • Size 859KB
    • SHA256 42b186ad874e56ff431011ed7caf2adf0b1b5cfdcf8fb34ea0586a37f1de453c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Detects DonutLoader

    • Family: AsyncRat

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

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

    • Checks computer location settings

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

    • Executes dropped EXE

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks