Analysis

  • max time kernel
    204s
  • max time network
    296s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2022 13:39

General

  • Target

    Wan_Part_3_1080.mp4

  • Size

    835.8MB

  • MD5

    49f3405c1e40aa59ff79a146fccd735b

  • SHA1

    3f25a91e9d75dc6def4e9d6b2ee60be8bf284caa

  • SHA256

    3b94f834b6aa6f1f1d8b7cc8eaf94396aa937ef7b8d18800511fcbbe05222eb1

  • SHA512

    40a035179515434cb44eebf8758aaaf66ac5953883da2f37911b441deb1642195abe8fd24ca5f9e27fb89b7766e9d67a7fc7e76ab52884b5076a826d3049e1c8

  • SSDEEP

    12582912:yMuBJELkuimzrpKf34SWtjgiF6xu64vD3JMXOhHzZEneBjmjLRrvndWHIRzND:kNuimzrp83zWmiF7laG+neakgxD

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 36 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\Wan_Part_3_1080.mp4"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4376
    • 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\Wan_Part_3_1080.mp4"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\unregmp2.exe
        C:\Windows\system32\unregmp2.exe /ShowWMP /SetShowState /CreateMediaLibrary
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1128
        • 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:3864
      • 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\Wan_Part_3_1080.mp4"
        3⤵
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:4732
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:4896
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:3868
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x348 0x498
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1024KB

    MD5

    c1495a1a19a824ca3a6c06528e75a9b9

    SHA1

    3160936fe5a5741d9baec735a3a7da197519e619

    SHA256

    ea034fa1ab47ff25bcad1a014f2029a408e19952921094e69d23d7c6fb9ab0d3

    SHA512

    5b23637bf6fd44b27750481bee4f04efe55e6e2a9ae402923bc70a251c094181f75f82672e05a51fbc46668cf655eb1bd104bb59f7a89327d55b73c6eb9ff018

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

    Filesize

    1KB

    MD5

    648f8e5c6e8044c7868813f0ad071314

    SHA1

    2be8353295382a6ab786c51a6c2a9e2f793cb4da

    SHA256

    44837ce4a1ea1a0330ce8c8b715da0778fecc8af6554bc71d873f1190266b8d5

    SHA512

    8288167ff493a73d5fa304c54a8a1564deca8f48f675fe8f824dfa664ed06de3ce976331a670bdb9dc677fb9913bc169b13a54b012bcd607537813cf44838001

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

    Filesize

    2KB

    MD5

    c1a268c98290cba7c214fcfc3448dd0d

    SHA1

    0c83b9710a24464198c67d96477b8cd5860a429f

    SHA256

    849cd76124c7b1e9904b6df28fff9f1a3e484bd73299c4d5b194012db453b02d

    SHA512

    9622b09ca3b954098de1cd9fd19128fe14cf3c547b0d3e7f54760bcab637029bfa92a0e6e25d9ec087dc0a48fbaa0b36d23f3f55024ebfdeeb73afc69c7ace45

  • memory/4732-146-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-147-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-142-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-144-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-145-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-148-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-143-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-154-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-151-0x0000000006E90000-0x0000000006EA0000-memory.dmp

    Filesize

    64KB

  • memory/4732-152-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB

  • memory/4732-150-0x0000000009070000-0x0000000009080000-memory.dmp

    Filesize

    64KB

  • memory/4732-153-0x0000000005F40000-0x0000000005F50000-memory.dmp

    Filesize

    64KB