Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 10:03

General

  • Target
    e14328493cb8908c965ece78453120c0dd323b9d9a6d027a420cee6aefffd676.exe
  • Size 260KB
  • Sample221020-l3mxmagffm
  • SHA256 e14328493cb8908c965ece78453120c0dd323b9d9a6d027a420cee6aefffd676
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e14328493cb8908c965ece78453120c0dd323b9d9a6d027a420cee6aefffd676.exe
    "C:\Users\Admin\AppData\Local\Temp\e14328493cb8908c965ece78453120c0dd323b9d9a6d027a420cee6aefffd676.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Users\Admin\ttduik.exe
      "C:\Users\Admin\ttduik.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2644

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ttduik.exe

        • Path C:\Users\Admin\ttduik.exe
        • Size 260KB
        • SHA256 aaad26dbb1021a62e24728fb26c852142b34a166e55faf2cd8f7b4eceabf0d1f
        • MD5 SHA1 SHA512 SSDEEP

        ttduik.exe

        • Path C:\Users\Admin\ttduik.exe
        • Size 260KB
        • SHA256 aaad26dbb1021a62e24728fb26c852142b34a166e55faf2cd8f7b4eceabf0d1f
        • MD5 SHA1 SHA512 SSDEEP