Analysis

  • max time kernel
    136s
  • max time network
    157s
  • 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_1_05.mp3

  • Size

    37KB

  • MD5

    28f78c371ee22f6a87cdba194d2841dd

  • SHA1

    a64e76e99cb7bbf9645f56ee3e6e8d9e4397e349

  • SHA256

    eacc71dd7ab5d4a2d6c92cde027ffc63007b094f3185655d96ddcab06bea31e0

  • SHA512

    286fb6f4dfc8e3289ca88c4470299a5adfbd63cf0faf723133b576ff50e3772de8f57af3c5b4245200231de311764336bde1275a6649ebb05638f8a690df5bd2

  • SSDEEP

    768:QAhFNk3Cp0jfUMEpwhm1x1F19soVUFEJc560PQYOxTUaaf1KdK66QQam:rNk1fW1PRsecw+QzKapjQam

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_1_05.mp3"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3920
    • 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_1_05.mp3"
      2⤵
        PID:4904
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3592
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
          3⤵
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:3128

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      64KB

      MD5

      987a07b978cfe12e4ce45e513ef86619

      SHA1

      22eec9a9b2e83ad33bedc59e3205f86590b7d40c

      SHA256

      f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8

      SHA512

      39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa

    • 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

      d381df51096b9c189bf55ecefbfcdc49

      SHA1

      46a2e05e73e321fbabfbfa2ae0c2b82858a33cf6

      SHA256

      7f354a74c9e128587c666097416c2c6b6e33f3c476a5ff4d30bc62a3cb2b0db3

      SHA512

      1135d7db2b074e6172357a5ce089dec0f5ffc4fad7a22be2dcb3b63dc893dca63238b8d5996a56e88ce17846c0146d368e13a914d352f3e7321d4e23c064f3ab