Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-06-2024 19:35

General

  • Target

    2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe

  • Size

    32KB

  • MD5

    b30a7b067ac38a0eae869e9938d6145e

  • SHA1

    201c9dd7f4a6713c1c48c35f870bf2d811e6cb24

  • SHA256

    600a47c2d0693ae660692833c3d4976ccae0bccacb694f215c10edb8db1f7402

  • SHA512

    033e8392564564991c265586092458f2098a6dc73cd8ad1f2275aa822d2cb2ded044bb88c9de6a8f66965b9a5e422100e31e2f3a93fd347bc18596e6506c8c46

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGX/:bG74zYcgT/Ekd0ryfjC

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    4de1fb9e915878ce4a66f43fb9938382

    SHA1

    2723716f6712eb40e12a9b6c5780fecd817f1041

    SHA256

    d362cd289afaa1ce9083ea2f675b718e984fea5fbd538deae23c8c9e792cf20d

    SHA512

    af3fd73791431731068666aba358bec32e4c6be33bd38a22a86fd4110ab8ff4eb211cc9b991882587ae6739187a0456722a8c63b56925a334bd0298efc8d7ab4

  • memory/2188-16-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2188-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2188-25-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2188-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/3068-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/3068-1-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/3068-8-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/3068-2-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3068-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB