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Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 22:39

General

  • Target

    475972b37cdb3b35a80136909069f0c7.exe

  • Size

    199KB

  • MD5

    475972b37cdb3b35a80136909069f0c7

  • SHA1

    be4d0e4ddce15e9770f50116b274fccde2109f00

  • SHA256

    d744376643daec408188928d0d9c5e102ddfeba7d5e0c88c4e66cfbec5239f57

  • SHA512

    46baf065eb6f1664e1e7e57c7e74497cc89cd77b71b2b406947252c4905a4755322ba77a1c97a5f1a528e69e781a77990dcf8251b22a72cba798be232126cddc

  • SSDEEP

    3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8BkgnYT:o68i3odBiTl2+TCU/Ak8O

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\475972b37cdb3b35a80136909069f0c7.exe
    "C:\Users\Admin\AppData\Local\Temp\475972b37cdb3b35a80136909069f0c7.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\bugMAKER.bat

    Filesize

    76B

    MD5

    d967f3079692f5e04aa10f747c6605c1

    SHA1

    2ef2e72b7446242b91589bbe15f967a42dbfcc89

    SHA256

    30eb09a3f8c49d3d8afabea5459182a8459bfcd2cd7779e762a5426fa06a36ff

    SHA512

    7d78cf27ec86abb6a5f22d4a82fc70f45357607dfe8d943ae5856b88c98643617b909c5f5c273eb2121e5293c29be66183e4361e23584cf5334c9b439c2f0209

  • memory/2700-24-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB