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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 20:07

General

  • Target

    2024-05-25_1a1de78450a2540e8ff1ebe3d908ba92_cryptolocker.exe

  • Size

    57KB

  • MD5

    1a1de78450a2540e8ff1ebe3d908ba92

  • SHA1

    638bcd3a4241080d65851199f8af0244e72aefaa

  • SHA256

    ad8265d4e8a3d8ec295b8ac7edb1db3f8d65cc21f3dde17f6a0912571ad98835

  • SHA512

    d6cafc0f34de14cab26ce3442922b1cc3aa796fd0393334ce22836574e1402f1c20bd1a9260871397eecc6895495b0e7ada9e0f2818c6fea0b1611fa20c18190

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/e6H:6j+1NMOtEvwDpjr8oxExe6H

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-05-25_1a1de78450a2540e8ff1ebe3d908ba92_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_1a1de78450a2540e8ff1ebe3d908ba92_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    6706c615b4c54553b6a1c3e7dfe3cf6f

    SHA1

    5446576404183e852c9f23ee4eb11d48872549c9

    SHA256

    7c32ce60b546973e8bfb05ac40b97c99fd0979abb6f293e9e0fdeb2e4c04c0e6

    SHA512

    8ad521d874512bbaf86eade72f5e0adac8ed8a258c3577a9da08ff9bd2c3872be9cb8858b33d9065d28a5dfce5db16757917d6e54683f23fd18a5a1c12a394a8

  • memory/2284-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2284-1-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2284-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2284-8-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2284-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2284-14-0x0000000000640000-0x000000000064F000-memory.dmp

    Filesize

    60KB

  • memory/3068-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3068-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3068-19-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/3068-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB