Analysis

  • max time kernel
    147s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2023 14:46

General

  • Target

    Setup.bmp

  • Size

    777KB

  • MD5

    368f0a916240898cc18d8291643b454a

  • SHA1

    a7875dbf874e953e7b57e3818f924721d24bd4c9

  • SHA256

    1d6478f6da9de299e694bc76a460bfc143b8ceadf2ae1c2eab8531b48f431c06

  • SHA512

    6679a89a00def240c867252a6685ad57e0d05e5ea257dd311ad40e1ef51ee100f7d69836e2cfc6cf2fa69d43ed6a0f514e67298b9e0b3be3786d0130d40ef8c4

  • SSDEEP

    3072:iABE+Glkx2zJVwXWpeXjTo4k/gIWLbj/Z2kl/pYQO2APb2syir20X0nrSt/k+31f:bS+GCeVwEeny/bWHTZYQ225ir29OsLJo

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\Setup.bmp
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\Setup.bmp"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3924
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:2716

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads