Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 00:27

General

  • Target

    2024-04-16_2b523ef2c0e517b41756a049cdae47b7_cryptolocker.exe

  • Size

    41KB

  • MD5

    2b523ef2c0e517b41756a049cdae47b7

  • SHA1

    a108314d54950e5b503bd281c81655e6f3a03d53

  • SHA256

    b4df08b602eda734b39fa07c47f0724b929a946c85b65d4676348812ce01b438

  • SHA512

    078c1b862b7b99a6fa3400c61a1486ff09b72781318285169ac0221ce2f69b38c324d547996d3ad9304866b70c6dad421daff45551a0397bcf5ba67002644415

  • SSDEEP

    384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOy:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/k

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-04-16_2b523ef2c0e517b41756a049cdae47b7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-16_2b523ef2c0e517b41756a049cdae47b7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    42KB

    MD5

    cce0006de3e1dee10aa5a6113db39be8

    SHA1

    73ed8e8dc5b7c5f5b8c68408ec8cc4cb8f6a87e5

    SHA256

    092427e80711292ab43e30bc512feb2637d216d9088a25a18accd96f0b72da12

    SHA512

    2b32d2d15e5422ff053a3e76b55429dc118f233933d4894d0a8ab88265222f841326ed92a3c0e4c9370d0387d68a24c9a6b7d8a6972861e2c405df81861f866e

  • memory/2508-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2508-19-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2508-21-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2508-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2884-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2884-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2884-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2884-4-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2884-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2884-14-0x0000000001FA0000-0x0000000001FAF000-memory.dmp

    Filesize

    60KB