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Analysis

  • max time kernel
    150s
  • max time network
    127s
  • 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, 19:48

General

  • Target

    66533f33348fddacce64c01cb02b1b86c41071c2b76fbd37dee82ea1a5f03fc8.exe

  • Size

    60KB

  • MD5

    911f4923d315d8b0770da00dcd0c4a80

  • SHA1

    cc2f023492b30d418ea9de753d4bef23232dca2e

  • SHA256

    66533f33348fddacce64c01cb02b1b86c41071c2b76fbd37dee82ea1a5f03fc8

  • SHA512

    a94e49d0a4361679225949185eb8547fdcdb579b9403fd443b0de2f311f8610325c07dd44c0d98aa9ca12d37415f19b33e05970d85356018772982f691922f49

  • SSDEEP

    768:0C3aY/MexaIPQQU6IUcSUBndFIR0NMRs2H06tF1etbw1o+d8sti:0ChMobuactndFa0NM7TtF1Sw1o+d1

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\66533f33348fddacce64c01cb02b1b86c41071c2b76fbd37dee82ea1a5f03fc8.exe
    "C:\Users\Admin\AppData\Local\Temp\66533f33348fddacce64c01cb02b1b86c41071c2b76fbd37dee82ea1a5f03fc8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\dueik.exe
      "C:\Users\Admin\dueik.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:4140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\dueik.exe

    Filesize

    60KB

    MD5

    589dc3caa971bff08101e3cb8a78e312

    SHA1

    712a24652b0fb62dce60fd2bf5d2782e7781e94b

    SHA256

    4041282432ebf32243107f240b793c6c5f82cf1825d5034c1823c9d3b5ca04e3

    SHA512

    4dd98192caf4c9b2e2264891a9f816e39b3e2e708cf64560052a87be69a9bb637411916dfdddc903a981a06192786d0a52e952cf1fd12953d1e91a95b8ee82ae

  • C:\Users\Admin\dueik.exe

    Filesize

    60KB

    MD5

    589dc3caa971bff08101e3cb8a78e312

    SHA1

    712a24652b0fb62dce60fd2bf5d2782e7781e94b

    SHA256

    4041282432ebf32243107f240b793c6c5f82cf1825d5034c1823c9d3b5ca04e3

    SHA512

    4dd98192caf4c9b2e2264891a9f816e39b3e2e708cf64560052a87be69a9bb637411916dfdddc903a981a06192786d0a52e952cf1fd12953d1e91a95b8ee82ae