Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/06/2024, 00:28

General

  • Target

    2024-06-29_209883c88a13518a751c79a79fcf41cf_cryptolocker.exe

  • Size

    35KB

  • MD5

    209883c88a13518a751c79a79fcf41cf

  • SHA1

    c11bd270735d4bd33742829bb33955467f6361a5

  • SHA256

    9217d2287e0c4b15be3692596570a15cfbd0c9a56a3f49f455d5b7a61b7f00dd

  • SHA512

    f539900998cb0a9ecc606f404c96104bc09d3f58d5c2d40b7e95cc1be1a9df335de58db7baf161549fb56c1a9f547fa820dbb39268eccebfa6c8314724c7e685

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3SQ:bG74zYcgT/Ekd0ryfjkbCQ

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-29_209883c88a13518a751c79a79fcf41cf_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-29_209883c88a13518a751c79a79fcf41cf_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:700
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    845a0be137830caf0d4e1b879ea10809

    SHA1

    6a81129e38f6823d259352ca7369f9756e8d76e7

    SHA256

    d7d755e19559a63f431f174c9bb2a39944cbdee83fb6d8c568d16feb3b1dea37

    SHA512

    645c8bd37b44f56f8097868e0dec0a7a5ddcf1841ea4dba9b307e5191493848aa285e7f8c9abf8471df83a80ddb7a9780631796a957dc988f5a55f9f7ee627c2

  • memory/700-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/700-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

    Filesize

    24KB

  • memory/700-2-0x0000000003010000-0x0000000003016000-memory.dmp

    Filesize

    24KB

  • memory/700-9-0x0000000002D60000-0x0000000002D66000-memory.dmp

    Filesize

    24KB

  • memory/700-17-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/4716-18-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/4716-20-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/4716-26-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/4716-27-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB