Analysis

  • max time kernel
    159s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2023 21:59

General

  • Target

    fb227cea125ea34bc8466b9ab2625fa1.exe

  • Size

    68KB

  • MD5

    fb227cea125ea34bc8466b9ab2625fa1

  • SHA1

    c2c61e18d1ea39e56473f1099dc5f93ad2a51988

  • SHA256

    786ba48d5bc8833a933eaa85dbf5ed3c8bf59af7c210c4625968b5ce994a1e07

  • SHA512

    4865622759b08ad0da179e89bf533d2870547990c6cd03d3b114ad8e671878a7ce57eb2dd66d4154dcb22b61b3f5902469a47e69420aff648614d134b47216e2

  • SSDEEP

    768:tj9Qmo+O5LU0dcxmJUMncu/VLHpFIkid+JFIkNcr9fLkWEUYn6sNpcspj6W8Lx42:tj9Qd+QvgM/AQmSNFONMlszAjUkx1

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\fb227cea125ea34bc8466b9ab2625fa1.exe
    "C:\Users\Admin\AppData\Local\Temp\fb227cea125ea34bc8466b9ab2625fa1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\hijil.exe
      "C:\Users\Admin\hijil.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:3236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hijil.exe

    Filesize

    68KB

    MD5

    789f6199ff3acdf2701b7d250e8b9574

    SHA1

    d8dc52b28a5ba4a360a65c335bc1205a2386fa02

    SHA256

    d3ec699bc128cbef9efdcbeff9f4e88086275b59dab64af0e005d2efe0cfdecc

    SHA512

    dcad0db4dabb42f00c9fb3c1b7f2304383510a11840d62887de889acdb155339345107bb0b42b7176a7986d6f0d269307c0770372adb8225a59eeae8a4c50a84