Resubmissions

15-06-2024 19:36

240615-ybdk4asera 4

15-06-2024 19:35

240615-yan1faseqd 6

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 19:35

General

  • Target

    video_2024-06-06_21-58-03.avi

  • Size

    4.7MB

  • MD5

    0d48316b4771db2b698e7343de2f9fdb

  • SHA1

    78cbacc996628e6c54a689aade365a5ccee9d7cd

  • SHA256

    39f13b867408e02352716b6f29226c54588d7585b0d641ee2aa377d4d9f4dc77

  • SHA512

    f58f15b8859819c6f5f00fb3be8aad3b094e4cc8f7c468b8fb52565f0723ad4fce33f77241e70a2474d3ff0f43e1f78a121299c4d110b36924e5a7e065caf7ee

  • SSDEEP

    98304:BuCc19KxWiwGKHCOhUU8BrCs2IOre1L/rD:BupeWnOf99/n

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:8 /Open "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • 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:8 /Open "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"
      2⤵
        PID:1436
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
          3⤵
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      256KB

      MD5

      563088ad0f20fabf9dd62c6ba8ae1636

      SHA1

      f9cd2fd153afa1a12ff990cf27c32b8c9c44e878

      SHA256

      eb897bf202d32f067728f1b666eb16e9926557efa8676b72db11411013030184

      SHA512

      8229dfb1d96b6a34b91b1e5c463833e7859331be880f585c48af1ba0ace0465ac755c7f22a9e6f30284266165f850e8f85af76157eea8136b2d6f79db02d3092

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

      9KB

      MD5

      7050d5ae8acfbe560fa11073fef8185d

      SHA1

      5bc38e77ff06785fe0aec5a345c4ccd15752560e

      SHA256

      cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

      SHA512

      a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

      1KB

      MD5

      9029ed2c4977c11bbfff0f2b20e3ad38

      SHA1

      7d39afcc289c82b83c69bda5f423da3685039d98

      SHA256

      b8fadafe9037390bc2750918c3bdd1c9ecfc4252f0b99d203a56207d7387b69f

      SHA512

      38d02df9b12f605dd552b18cca3eb04cd17c69eca7aac0181285bdb2155b76d5975769c4c79cc23ff3be05ef3eb0ec2de719647fa0e9d2c8cd1315f9ebb6e269