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Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 16:06

General

  • Target

    Filters/BW/Amp A25 R75.bmp

  • Size

    29KB

  • MD5

    611133197f9739e7ba12599f6c223c5f

  • SHA1

    ceb8f1995f624e59cba24826cfba5b5992b914da

  • SHA256

    2b87680eafd4f698303b008a78de8e0b83c97c01f45cbb6969bc9c0239a28eff

  • SHA512

    5f4e29c18b0ecbc32a72cacd12de37823d85d78cb5b562d5e0881a2e618cca426ff515bc5ad0960347afcc913da437fcdc1b50a2d9962ef72a9065941994553f

  • SSDEEP

    768:pOahImC2zWI1tUUJ2QIa4bRm9WOtwygzQw:42Ic1uU0QIa49m9WqwygzJ

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Filters\BW\Amp A25 R75.bmp"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\Filters\BW\Amp A25 R75.bmp"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5036
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:880

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads