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Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 19:55

General

  • Target

    039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe

  • Size

    276KB

  • MD5

    90c17b27ee224075d35101dfd7c6a960

  • SHA1

    7960df78627fde4256f8e0b482b8d137359085f8

  • SHA256

    039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436

  • SHA512

    a44c1fff241531d79d074e2877f08f9a7f03fdc5dc3f8b04c954bc40c41034713261e0563a7356636a3a071197b45d61e065a3edf48e4b92e5a740249df02eba

  • SSDEEP

    1536:5vC89v1DLFfHk/X6tnfknHzQ0X0WytH0uL2JPWNoSfrVrBrerdrMfUVx6YBQsPm4:Q+aisPm8HuQM+

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe
    "C:\Users\Admin\AppData\Local\Temp\039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Users\Admin\zmxev.exe
      "C:\Users\Admin\zmxev.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\zmxev.exe

    Filesize

    276KB

    MD5

    582120277b83811aca9a039d6de64301

    SHA1

    2028049b5f0206269bdb5bd5895253e17a20845b

    SHA256

    72240f90d2961722ce4c4d63efce06d4acf856cbe7af554b9908bc5c99b15d4f

    SHA512

    730c078e59684a72677fc613f135775d3f1cbda987b83fc5b064785c9de75ac2e277d66a98226f45fa969e79f46c8e5ebdb054ea524d71f0d7030893ceb47483

  • C:\Users\Admin\zmxev.exe

    Filesize

    276KB

    MD5

    582120277b83811aca9a039d6de64301

    SHA1

    2028049b5f0206269bdb5bd5895253e17a20845b

    SHA256

    72240f90d2961722ce4c4d63efce06d4acf856cbe7af554b9908bc5c99b15d4f

    SHA512

    730c078e59684a72677fc613f135775d3f1cbda987b83fc5b064785c9de75ac2e277d66a98226f45fa969e79f46c8e5ebdb054ea524d71f0d7030893ceb47483