Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2024, 02:37

General

  • Target

    2024-02-22_9fe146130d1fadbbc50dc1e2d91a4601_cryptolocker.exe

  • Size

    40KB

  • MD5

    9fe146130d1fadbbc50dc1e2d91a4601

  • SHA1

    e03dfe200aa6978c338715448422912b44869dc0

  • SHA256

    b2d6ab297a29a2ad1925aad3b499014699f5049dcbab2295c7744e0ab73e8d3d

  • SHA512

    f7b3ba7cd9dd285d89bc9d70cca5add371111d5668a2add32e3bbf3b20eeace552dc6e7f0da6c8db150363d779df4a633b6000b82f3db66384fc6c344aad22d0

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CyYo7/:6j+1NMOtEvwDpjrRD7/

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\2024-02-22_9fe146130d1fadbbc50dc1e2d91a4601_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-22_9fe146130d1fadbbc50dc1e2d91a4601_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    e524b0bd5751f886efa4c588a893b353

    SHA1

    fc9a122d9b6d2bd55b70a1504f0e109893717609

    SHA256

    8d1dfe80667628ef1acf2afda44feac65228c5584dea2331db5e698a3abccaf3

    SHA512

    798856c676eb987358c97f28c8da835e2eb97fa6ca149e56a713d27a712d397cd53d7199a11621a14a34dae3ce26c00849ab9d0f1bf681c6114dbe6c30cae318

  • memory/2360-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2360-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2360-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2360-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2360-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-18-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2552-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2552-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB