Analysis

  • user interaction
    yes
  • max time kernel
    598s
  • max time network
    438s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/08/2026, 22:11

General

  • Target
    $TEMP/bgm.mod
  • Size 606KB
  • Sample260808-14dsnsvhmf
  • SHA256 7aa1e2789c5222a5cdd09125cb268a28569a482e7ced85b150b27e0c57ad1e9a
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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:9 /Open "C:\Users\Admin\AppData\Local\Temp\$TEMP\bgm.mod"
    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:5444
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5428
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:3068
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:5608

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 576KB
        • SHA256 406dd3db3333de24e0af1400825246062c3875bf098b4148a589bea8ed42dfcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 ea8b77f5baf2638cffe9a46f7ab4d3e39e2c95b3c9d8a57df037f96aa573c89e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 869a1c0ed121992cbbc3aaaff02f9d3a5048fd7f722d5b659992f339a00ccf76
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMSDKNS.XML

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

        wmsetup.log

        • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
        • Size 1KB
        • SHA256 2976088938c9d54018a9b46849f8aa3c20accd50a88bdbf17d4d7fa00882dfb0
        • MD5 SHA1 SHA512 TLSH

        memory/5444-28-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/5444-31-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/5444-32-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-33-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-36-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-35-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-34-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-37-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-38-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-39-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-40-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-42-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-41-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-43-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-48-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-47-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-46-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-45-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-44-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-49-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-50-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-52-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-51-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-55-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-54-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-53-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-57-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/5444-58-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-70-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-69-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-68-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-66-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-67-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-65-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-64-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-63-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-62-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-61-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-71-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-73-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-75-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-76-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-77-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-74-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-78-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-79-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-80-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-81-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-86-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/5444-85-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-84-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-83-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-89-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-90-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-91-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-92-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-94-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-95-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-97-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-99-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-98-0x0000000007D20000-0x0000000007D30000-memory.dmp

        memory/5444-96-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-93-0x0000000007AB0000-0x0000000007AC0000-memory.dmp

        memory/5444-100-0x0000000007D20000-0x0000000007D30000-memory.dmp