Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 13:24

General

  • Target

    resource/sound/ns_2_01.mp3

  • Size

    31KB

  • MD5

    a5b4049f9a4e77ea358b45d5335a2664

  • SHA1

    872ca07b40d82df4da5187100d369ea62f98705d

  • SHA256

    a3e201455196b85465518d1226f8677ba79e3a612f01b9da312e8de1f3f3e453

  • SHA512

    7e4a7d7b475124b90c7e9be229305b3786f4a68a4beffbc2321a9bd968b8015e95899c0cc0b6d4f92a34c8a10ccf4278428a98a12baa4539a33fc6347c74b1c8

  • SSDEEP

    384:rUqixCDyBbMQhLGu3eNXYrsNyin2cRVoQHjLQpMm044/BwzntKhnM1t4P3LPJ8z6:IVWyNMUyu3Cor1Zc7+Mb44StKpPJ8z6

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\resource\sound\ns_2_01.mp3"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3844
    • 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\resource\sound\ns_2_01.mp3"
      2⤵
        PID:4700
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4536
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
          3⤵
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:3052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      256KB

      MD5

      adbd8353954edbe5e0620c5bdcad4363

      SHA1

      aeb5c03e8c1b8bc5d55683ea113e6ce1be7ac6e6

      SHA256

      64eff10c4e866930d32d4d82cc88ec0e6f851ac49164122cae1b27eb3c9d9d55

      SHA512

      87bf4a2dc4dd5c833d96f3f5cb0b607796414ffee36d5c167a75644bcbb02ab5159aa4aa093ed43abe290481abc01944885c68b1755d9b2c4c583fcccd041fd2

    • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
      Filesize

      9KB

      MD5

      7050d5ae8acfbe560fa11073fef8185d

      SHA1

      5bc38e77ff06785fe0aec5a345c4ccd15752560e

      SHA256

      cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

      SHA512

      a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

      1KB

      MD5

      e3670438aa755c0357f67bd9a7c4d878

      SHA1

      39bb7cd930da44fb99f06bd182b411369076db2b

      SHA256

      0c59ee4679df2ca6d0032fbe7030850fd39f3d15562b75435688475ec98d6e99

      SHA512

      9d2aec8494d2abb96339506f4cf362b534bec25ee6833fed586453239f6e5114f2077083cef46eba246813015dff2e0f88a6192edbf3b8841a857583d323b57d