Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 19:11

General

  • Target
    TheSkyeBoatSong-Demonstration.m4a
  • Size 4.1MB
  • Sample260601-xwbfssdx71
  • SHA256 2baada58704519369519c681bf20efc37122f09879d5f4286273771eefe1e1f5
  • 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 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:6 /Open "C:\Users\Admin\AppData\Local\Temp\TheSkyeBoatSong-Demonstration.m4a"
    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:1448
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:3300
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:3412

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 512KB
        • SHA256 37aa3efbf96d63e646ad768f3b43a35297662efdddae4c529ca33d25579b8a6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 0cfc22cd764a942a41d0ec993fab4e10a58ce3b698c177ffad5f9dba3535782f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 26e5d8eb3f2cd2ba7a1b900aeea454a87df825464bc522a2f179ea2f9497cdd5
        • 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 88c504dc41c1c74ef0a2e441f552f8a1fb0553f57c3d3ee907fc7966717f5e1b
        • MD5 SHA1 SHA512 TLSH

        memory/1448-31-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-33-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-32-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-30-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-35-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-34-0x0000000005300000-0x0000000005310000-memory.dmp

        memory/1448-40-0x0000000005340000-0x0000000005350000-memory.dmp

        memory/1448-42-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-43-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-44-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-45-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-47-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-46-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-49-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-50-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-52-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-51-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-48-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-53-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-56-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-57-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-58-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-59-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-55-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-60-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-61-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-62-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-63-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-65-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-67-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-66-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-68-0x0000000005340000-0x0000000005350000-memory.dmp

        memory/1448-70-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-71-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-72-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-73-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-75-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-74-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-78-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-80-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-79-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-77-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-76-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-81-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-84-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-87-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-88-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-86-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-85-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-90-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-91-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-92-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-93-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-97-0x0000000005340000-0x0000000005350000-memory.dmp

        memory/1448-96-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-99-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-95-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-94-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-101-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-100-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-102-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-104-0x0000000007F40000-0x0000000007F50000-memory.dmp

        memory/1448-105-0x0000000007F00000-0x0000000007F10000-memory.dmp

        memory/1448-103-0x0000000007F40000-0x0000000007F50000-memory.dmp