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Analysis

  • max time kernel
    158s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 16:10

General

  • Target

    7b9ad5bb7b835f4500d114ab663f5c83.exe

  • Size

    200KB

  • MD5

    7b9ad5bb7b835f4500d114ab663f5c83

  • SHA1

    62616ca6da20ab8d3063f9e45baee7d069d97357

  • SHA256

    d489d66321766c1a201d8925ebff564c80438748da2a156a492806fedad877a9

  • SHA512

    9b6913b5e15a6ed5351a6a3f6f1b753056ae57a80968a5376e9c599ba08c59f00542ec8fd39b51a5d250c02e4c9ae75deaaa35d8b05720eee5ded34a88d17042

  • SSDEEP

    3072:QIsMzFaDEKrEgQKfQ2OOOFOWhwO2OOOOOrOOOOhOOOOO3OOOF/7OOOOOMOsOOOi1:

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b9ad5bb7b835f4500d114ab663f5c83.exe
    "C:\Users\Admin\AppData\Local\Temp\7b9ad5bb7b835f4500d114ab663f5c83.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\dueil.exe
      "C:\Users\Admin\dueil.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:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\dueil.exe

    Filesize

    200KB

    MD5

    83b2d03ebe38b5dea27922f54e28b873

    SHA1

    9a922c72b6ef7962e45df988680b3b1656fba6f5

    SHA256

    d5a46dc159008e37b5c4e5fc7b50c8def63316dcf2ee0aa832bb1e9752477e39

    SHA512

    b2a9e9e6a84922b1fbbd5656df9f9760861086e354143d00280e8ddaa9ddc81efbdc5e7ae75b1b1277dcbfe87556761699619ad0802de84ce6b03b36745574a5