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Analysis

  • max time kernel
    181s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 20:33

General

  • Target

    MirServer/Mir200/M2Server.exe

  • Size

    1.1MB

  • MD5

    d195231bd76fae92717f768c8ce955a3

  • SHA1

    27343d2ca343cc20b9cc50682cd62c9565924773

  • SHA256

    16528c7c0a449d3dc3c569ae412886e579b8efe6ce4a27665175b113675f0a79

  • SHA512

    3713df142b4cd2d53a80f91e79c5fd1d484e898d37855b47153c5e881eb18149e11c0fb1398b868f0ce5c45baabdc4694d16d6316a0f5d437b0ee20e817b9972

  • SSDEEP

    24576:uvf+2nh9rbWn/L9re8IuRRxnPFfSyvsShagqNVYWtyH5n+:u3lwBrlIuRFlv3lgTIn+

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MirServer\Mir200\M2Server.exe
    "C:\Users\Admin\AppData\Local\Temp\MirServer\Mir200\M2Server.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 660 -s 220
      2⤵
      • Program crash
      PID:1668
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 660 -ip 660
    1⤵
      PID:4816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MirServer\Mir200\Command.ini

      Filesize

      8KB

      MD5

      9b32b5c419fc5e9e9e84fdf141bb2e0b

      SHA1

      c0e97bbb5836cbb70c9934da8177352725582283

      SHA256

      ca9e2edaa5c1fdf81bdab4088158fd6e7611f108c3eaff4291c6624d61f9e0a8

      SHA512

      d219462955a0cf61fe330fe9c8ab7a94ed631d19cc8b63c32de946f0441d20ddaba29e77ef2f16510f89ca881a8a099cdbfb9f44b6599d14a2ddbfe4a304da13

    • memory/660-93-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-105-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-4-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-2-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-1-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-79-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-80-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-92-0x0000000000890000-0x0000000000891000-memory.dmp

      Filesize

      4KB

    • memory/660-0-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-3-0x0000000000890000-0x0000000000891000-memory.dmp

      Filesize

      4KB

    • memory/660-117-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-129-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-141-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-153-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-165-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-177-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-189-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-201-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB

    • memory/660-213-0x0000000000400000-0x00000000007C4000-memory.dmp

      Filesize

      3.8MB