Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2024, 23:24

General

  • Target
    MicrosoftWindowsServicesEtc/breakrule.exe
  • Size 58KB
  • Sample240302-3d17dsag33
  • SHA256 5eafebd52fbf6d0e8abd0cc9bf42d36e5b6e4d85b8ebe59f61c9f2d6dccc65e4
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MicrosoftWindowsServicesEtc\breakrule.exe
    "C:\Users\Admin\AppData\Local\Temp\MicrosoftWindowsServicesEtc\breakrule.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\system32\wscript.exe
      "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\4110.tmp\4111.vbs
      2⤵
        PID:220

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          4111.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\4110.tmp\4111.vbs
          • Size 108B
          • SHA256 17d014cb4abbaced3acce9b6d7a1b595cd6e2dd814e41f06ceddcdc08e93eebe
          • MD5 SHA1 SHA512