Overview

overview

6

Static

static

1

ResolveExpand.m3u

windows10-2004-x64

Analysis

  • user interaction
    yes
  • max time kernel
    89s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/10/2026, 18:06

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Errors

Reason
Machine shutdown

General

  • Target
    ResolveExpand.m3u
  • Size 435KB
  • Sample261007-wp5wdsdx6p
  • SHA256 7bf24b30eca319e7d8e850d41ac4778e89a491b7783d31c2ce28928e7faf78a9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discovery

Malware Config

Signatures

  • 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
  • Program crash 1 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.

    discovery
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\ResolveExpand.m3u"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4396
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1752
      2⤵
      • Program crash
      PID:4664
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:1300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4380 -ip 4380
    1⤵
      PID:3556
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3917055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:3488

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          CurrentDatabase_400.wmdb
          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
          • Size 512KB
          • SHA256 def03bbc743e3f1f8e1e7c235e05180fd3501857547d59eac77034bb17f54d16
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          CurrentDatabase_400.wmdb
          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
          • Size 1024KB
          • SHA256 5f2add27caac7a589019e4949aa33bb934f9f70707902dac869e4517cf4a2e2e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          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
          Submit Download

          wmsetup.log
          • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
          • Size 1KB
          • SHA256 26a8c527957302aa3a88286e6edf294ab47e4b7f27fc23186a7af20f7d0a4586
          • MD5 SHA1 SHA512 TLSH
          Submit Download