Analysis

  • max time kernel
    230s
  • max time network
    254s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 22:29

General

  • Target

    3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e.exe

  • Size

    210KB

  • MD5

    02ca32931f38955fe7965a6c0486c2a0

  • SHA1

    776ac4d8fdf33c32625ddcd0218d94cdadcfd25d

  • SHA256

    3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e

  • SHA512

    a976f8200fffd455d08c8ee985ae0fc9a9d58a09749ed03b6f99efb5c57a5fa6fd36dc86e02d6c21c347b1997c243dea4ab983e3db13e542cc4039f3cff2574b

  • SSDEEP

    6144:Pd6VSTMCuhooHyJH5dPMGuMnuqKM9/rrp:oV2hz8GuMnuqx5

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 SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e.exe
    "C:\Users\Admin\AppData\Local\Temp\3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e.exe
      C:\Users\Admin\AppData\Local\Temp\3102bda0d4ab26577068e2d800d2334e28995e917b6b906bfec7d58704918d7e.exe
      2⤵
      • Writes to the Master Boot Record (MBR)
      PID:4400

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Replay Monitor

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Downloads

  • memory/2064-134-0x0000000002AC0000-0x0000000002AC4000-memory.dmp
    Filesize

    16KB

  • memory/4400-132-0x0000000000000000-mapping.dmp
  • memory/4400-133-0x0000000000400000-0x00000000065A8000-memory.dmp
    Filesize

    97.7MB

  • memory/4400-136-0x0000000000400000-0x00000000065A8000-memory.dmp
    Filesize

    97.7MB

  • memory/4400-137-0x0000000000400000-0x0000000000419000-memory.dmp
    Filesize

    100KB