Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 03:30

General

  • Target

    2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe

  • Size

    49KB

  • MD5

    796def891cbafe2b214fa38baa71d6d9

  • SHA1

    009ede5877492ce41a32ec6048e3ba51dea40a54

  • SHA256

    9e50f0f271bd55a7685aac59e4073eee8731bd630235f2ae15f107e0d07d5277

  • SHA512

    9e2dfea5de066111afad53b41ae71e2bee9d2c7387cb632c9b46ab9ea2bbb3d2d2a630010b52d05b852c16c43085b33c38e690528a1a4aa916391dbf0ce00706

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatre:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_796def891cbafe2b214fa38baa71d6d9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    62953e7853e91e46146b4b424bc41425

    SHA1

    b2bcc9ea2954bb9a8d66ff35858211e16197d906

    SHA256

    3e51b80f7b6c7bfc86198a6625932b4c98b1ea7ab98d320803263ead23608335

    SHA512

    884554c06ff4f7cdfe89278640367f378811c47ffa0ebc6f6de6e50e6f41ad40af68abc85ebdcfe3b06e10094a9835d59b407323ae93ae4c038e5b58f29e7e0f

  • memory/1872-25-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

    Filesize

    24KB

  • memory/3192-0-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/3192-1-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/3192-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB