Analysis

  • max time kernel
    298s
  • max time network
    290s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 19:33

General

  • Target
    Moirai/data/sfx/footstep_grass_3.wav
  • Size 83KB
  • Sample260727-x9z2bacr21
  • SHA256 32fd7c413c20a167aae12293733403aafdc07d389bbc708b810d34a34437826c
  • 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" /Open "C:\Users\Admin\AppData\Local\Temp\Moirai\data\sfx\footstep_grass_3.wav"
    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:3376
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:2408
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:1616

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 64KB
        • SHA256 f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 9d5d5c3055ff2a18872a0f9e0cbe0ccaac4b8fda1a489bcc5862682680063c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 fd58b6dea824ab73a5541fd5bf8ecbada371974de50cb46f2bc4503fced3b60d
        • 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

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
        • Size 9KB
        • SHA256 23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wmsetup.log

        • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
        • Size 1KB
        • SHA256 a7fae96daef4e0863c159ad611fa568c10b8f111d43d38b6de7ccae27033f03c
        • MD5 SHA1 SHA512 TLSH

        memory/3376-26-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-29-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-28-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-27-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-31-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-30-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/3376-35-0x00000000082D0000-0x00000000082E0000-memory.dmp

        memory/3376-38-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-40-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-42-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-43-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-44-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-45-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-47-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-46-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-50-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-49-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-48-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-53-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-54-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-58-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-57-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-56-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-55-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-59-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-60-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-61-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-62-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-64-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-66-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-67-0x00000000082D0000-0x00000000082E0000-memory.dmp

        memory/3376-65-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-68-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-70-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-69-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-71-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-73-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-74-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-76-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-78-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-77-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-75-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-72-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-79-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-80-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-84-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-83-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-82-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-81-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-85-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-86-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-87-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-88-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-89-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-90-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-91-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-92-0x00000000082D0000-0x00000000082E0000-memory.dmp

        memory/3376-93-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-96-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-95-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-98-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-101-0x00000000098E0000-0x00000000098F0000-memory.dmp

        memory/3376-100-0x00000000098F0000-0x0000000009900000-memory.dmp

        memory/3376-99-0x00000000098F0000-0x0000000009900000-memory.dmp