Analysis

  • max time kernel
    899s
  • max time network
    423s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/05/2026, 08:47

General

  • Target
    onicity.mp4
  • Size 52.5MB
  • Sample260531-kpy73afs8p
  • SHA256 78b7d1d48efa9d7b5b0e7131d51d955ad0332b44a2978a71c4c3ae8870656ecd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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\onicity.mp4"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:4048
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:2976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 384KB
        • SHA256 78c6ce168b5c5dcf30951aafdb973ba3cffdeee05ef414f762283f5f19e3e9ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 e939f943e3be2fc72a9d603c0c6821f1b95afc79caa11644f5ceef721e9d963c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 648de413968ef3301ddf901e758a6a7fb0343ca18f4d1795f4d9c4396a323cc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMSDKNS.DTD

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
        • Size 498B
        • SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
        • MD5 SHA1 SHA512 TLSH

        WMSDKNS.XML.bak

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

        wmsetup.log

        • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
        • Size 1KB
        • SHA256 b5c18cab7a2f704e3a4ae760348e8ab155c782906dc6910ff96e38924849ca5b
        • MD5 SHA1 SHA512 TLSH

        memory/2704-33-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-35-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-34-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-32-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-36-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-37-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-38-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-39-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-41-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-40-0x0000000007530000-0x0000000007540000-memory.dmp

        memory/2704-42-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-59-0x0000000007D00000-0x0000000007D10000-memory.dmp

        memory/2704-60-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-61-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-62-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-63-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-65-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-64-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-67-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-66-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-70-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-69-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-68-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-71-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-72-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-75-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-76-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-74-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-73-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-77-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-78-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-79-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-82-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-84-0x0000000007D00000-0x0000000007D10000-memory.dmp

        memory/2704-83-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-81-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-85-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-80-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-87-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-86-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-88-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-90-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-92-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-95-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-94-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-93-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-91-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-89-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-96-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-101-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-100-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-99-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-98-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-97-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-102-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-104-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-103-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-106-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-108-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-109-0x0000000007D00000-0x0000000007D10000-memory.dmp

        memory/2704-107-0x000000000A380000-0x000000000A390000-memory.dmp

        memory/2704-110-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-105-0x0000000007D50000-0x0000000007D60000-memory.dmp

        memory/2704-111-0x0000000007D50000-0x0000000007D60000-memory.dmp