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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 04:57

General

  • Target

    f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe

  • Size

    56KB

  • MD5

    366b0b111f9c1e054e3a559e563d10aa

  • SHA1

    c3538490abcd431ebf6f8450201d28d43b5ee668

  • SHA256

    f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d

  • SHA512

    308134b03ea1f4cb7eca1dc9e8d231ff64a9ae8e0afe58c292abe427d5e6f1dbf2409d9958e817fa13257a5faafea002013678e8126048bcf5c1ad91a5844683

  • SSDEEP

    768:75wRI7PsED3VK2+ZtyOjgO4r9vFAg2rqrINT0qxn0GVkpkY/6Kf2OGx:+wYTjipvF2N0qxdkpkwZXGx

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe
    "C:\Users\Admin\AppData\Local\Temp\f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe
      "C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:3144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe

    Filesize

    56KB

    MD5

    da9f0d59018c70035803ed9e2bb38808

    SHA1

    86fc67a19d5ae46b490ccb3022331004296e689f

    SHA256

    e0270ebb234ac1b00dc415ecf771bae4c35841c85b068b2b6a992f0c975d33f4

    SHA512

    a97e36e8c4cbcf7fd6fb58473c67173ce2601caa0c2e514b3636a45fed21173a719222a793edb02baab3e79357c7758121d548c9fefb118c8bf250b09de2fad0