General

  • Target
    an.zip
  • Size 162KB
  • Sample260916-xa6d2ssxbv
  • SHA256 26b35f04cd53782196ef2f56f1f0b37866f0b685c7e2e4c8b84495e01c91917f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • uejrhnfq.duckdns.org:6745

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      activate_srqz7q.bat
    • Size 129KB
    • SHA256 207d964e8254633cff1059ed62c2cc9fe67cedd83094bb2b61b9a430f924749b
    • 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.

    • Loads dropped DLL

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

    • Target
      sechost_o4f32s.dll
    • Size 14KB
    • SHA256 8e248505b6cd87d2e27ed40541c2b2933113380da27bc75458d62d419e732f8d
    • 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.

MITRE ATT&CK Enterprise v16

Tasks