Analysis

  • max time kernel
    13s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2022, 19:55

General

  • Target

    1 (1).mp4

  • Size

    510KB

  • MD5

    370f8cffd3030f0b76f0e488fd78d530

  • SHA1

    0416e66df1e802a6f68582f3edb7b421eab5f5d4

  • SHA256

    ec8a192ae6f154f8202b6530c7c959e60191affe69132b2ce3a5973cbb0a6779

  • SHA512

    4bc8c3c0548127e8a95bc6f0b261dd03150a85d4b5fc05abc582d2cecb74ba0f376872850ddbc5be31ac980767a081d6b9ce26e0a48e144651806ee3bd7adb9b

  • SSDEEP

    12288:/pTYijksegMq1iApGn41mvkJkRURinlFC57ufMJ3i8utcX:6iQsMii3vkJw2inlAQfMJS8utcX

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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\1 (1).mp4"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
      "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\1 (1).mp4"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\SysWOW64\unregmp2.exe
        C:\Windows\system32\unregmp2.exe /ShowWMP /SetShowState /CreateMediaLibrary
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /ShowWMP /SetShowState /CreateMediaLibrary /REENTRANT
          4⤵
          • Modifies Installed Components in the registry
          • Drops desktop.ini file(s)
          • Drops file in Program Files directory
          • Modifies registry class
          PID:4836
      • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
        "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Relaunch /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\1 (1).mp4"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1076
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • 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:4604
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:3148
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4d8 0x244
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    1024KB

    MD5

    8ec22cb11c4f4d4bf83c7abf7ed8999d

    SHA1

    d808fc266e2b614deb3e498695f7814aec5e52f3

    SHA256

    452531278d0782f542b065b59dea6b4e1a9ba2a75476a75928dc4096872298ac

    SHA512

    a37554319c3e0491bb480e5286e124015875b13575c0664d11ae7a395b7b50096cb53e5dd9e24da40061c3123f0bfd12092f22c61d3ccd78d98ccbba63d0b389

  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

    Filesize

    1KB

    MD5

    5d20e16e00016be171e6cf76c916703c

    SHA1

    ecbbc23154037593aa4bc1b8ec1abd66163ade47

    SHA256

    8f8a69a7fdca372bc770330d10acbc05e6e5fca169b3c60a9616bf049ac20df7

    SHA512

    2df36c6d1830326838b4eb07172f5599d78ba82f5e1d2fce086a4977415993933377f1f69fed02b9e1bb2e1101d56ffbb0b3901940b1fa3c148b6200896ce0ea

  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

    Filesize

    2KB

    MD5

    d66764961a517372d8cfa16a5af1fa6e

    SHA1

    37d1e4d529ab7ed689defa120c09af988e951a97

    SHA256

    64f122826185fde1fcd75f21ee26574e45b38fa43b1dcc1a724cc4de03aacfaa

    SHA512

    10627716330be134fc70133577204027bc9e17ad91c3ddb9d0a5da69de896afc7f63525f4ba18fadff4579de5f1089961859f6696341196de914b1baa93ca75d

  • memory/1076-146-0x00000000061A0000-0x00000000061B0000-memory.dmp

    Filesize

    64KB

  • memory/1076-148-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-151-0x0000000008490000-0x00000000084A0000-memory.dmp

    Filesize

    64KB

  • memory/1076-150-0x00000000061A0000-0x00000000061B0000-memory.dmp

    Filesize

    64KB

  • memory/1076-142-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-143-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-144-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-145-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-149-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB

  • memory/1076-147-0x0000000005640000-0x0000000005650000-memory.dmp

    Filesize

    64KB