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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 13:26

General

  • Target

    2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe

  • Size

    39KB

  • MD5

    a26034cf81dd1bad7f96d22919cb7247

  • SHA1

    01c0280c175a3ad570eb5158e0e8959a1cf48d17

  • SHA256

    6f8c704500017e123ec54a6d1cdd72f7fe0f2a56c47758ddd996fe25a9c05815

  • SHA512

    2c6453b4c2a68bafb8f7b9d8944373eceb3f1eaca73f4bae6e1d44efa48834c09aaac54aea57c7d765b4c65853714b408385ba0fb7954d84b45af4e0625c10b3

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0R:X6QFElP6n+gJQMOtEvwDpjBmzDU5R

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    a1311e73f3cda7e0c4d6f48a8eeaf5b4

    SHA1

    24b568eda3ff333198b4b1f1d8f427d1bc2570fd

    SHA256

    8ad70783e15453b79ebd0296f6d3397f3a4e2e6666815a923f625c0925e72c10

    SHA512

    31840a12990e503c1679a3e18bb21f9bd0d646959135f3a61a8460a46b484a17838016404cfdabeebe8b629bc266f1ade3fc0bb083b18c3cee87beaa0c36b50e

  • memory/1932-0-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/1932-1-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/1932-8-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2516-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2516-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB