Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2024, 04:07

General

  • Target

    2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe

  • Size

    46KB

  • MD5

    b75a58e127ac1207fd0987b1e296740c

  • SHA1

    4bf9d37860d31513ef6f379bf50d9d9de4672d42

  • SHA256

    aea254050dddf831d511df34db3ad07f463bd6dad5a7c817de78841b672d98b3

  • SHA512

    f608a65af09202b190a119333323bd51f8a4ebedd06ff320578c0e87ed24e271a2b0537d91bb8e18301687239a4657be19f581e6b7286b45f84c995c1a0b6d47

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3z:bm74zYcgT/EkM0ryfjd3z

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    46KB

    MD5

    9eb32f4a84593f2121b06a2302ec75ef

    SHA1

    36b65d97ac6d971aaeb67e9c5994c8fc6ae77dc2

    SHA256

    d2f3845d9c4dd18a3de25c4d636a5bef7ae7d8871e60e232c3776e43db481041

    SHA512

    f611d4e9e36bf43a931cf6b9d8b127037a81e9a8f3f3fe6dfb12afe5114d3728c68bcae02904370c26dab278bfd979675762c9db4d6b7e5b5f563f0f4246e8d7

  • memory/2380-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2380-18-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/2380-25-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2380-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2776-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2776-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2776-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2776-3-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

    Filesize

    24KB

  • memory/2776-14-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB