Resubmissions

26/11/2024, 17:54

241126-whcw2aylbr10

29/06/2024, 04:49

240629-ff5aha1eke10

Analysis

  • max time kernel
    133s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/06/2024, 04:49

General

  • Target
    bin/Background.mp4
  • Size 4.6MB
  • Sample240629-ff5aha1eke
  • SHA256 3a1cbb800f8f25c2ab703ba8bfdb01e938e4143c3bc0fea8ca734fb5ba779ba7
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\bin\Background.mp4"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
      "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\bin\Background.mp4"
      2⤵
        PID:4856
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Windows\System32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
          3⤵
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:4892

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CurrentDatabase_400.wmdb

          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
          • Size 64KB
          • SHA256 c509c498682bec50142782a51785655020bea27652f46e104e07a530c2ff5162
          • MD5 SHA1 SHA512 SSDEEP

          WMSDKNS.XML

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
          • Size 9KB
          • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
          • MD5 SHA1 SHA512 SSDEEP

          wmsetup.log

          • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
          • Size 1KB
          • SHA256 647affb123252c253917542e2ee0b2673731da88352b6f5d33966c139a0821f1
          • MD5 SHA1 SHA512