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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2024, 06:09

General

  • Target

    2024-03-16_52afd2e3ca8b114944b96923159a10a5_cryptolocker.exe

  • Size

    70KB

  • MD5

    52afd2e3ca8b114944b96923159a10a5

  • SHA1

    e1ea9b90104ee5446006617cb7a593f5944c4cfc

  • SHA256

    63f3eb38c263513ee77e35e151c8ecf00c16fa8893c88735ad884848a1f497dc

  • SHA512

    f7d2cc8c64f56e6dda244ca797f6a1d2c559a078016691fde3c93237a08223e7c6bb3faa78bc56e194f1d2a3eba6f4c399d35d5497ce3c98394daf1a89e1efb7

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4wYPsED3VK2+ZtyOjgO4r9vFAg2rqk63Ygx:vj+jsMQMOtEvwDpj5HwYYTjipvF2hK

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\2024-03-16_52afd2e3ca8b114944b96923159a10a5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-16_52afd2e3ca8b114944b96923159a10a5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    70KB

    MD5

    d201ba88a326093ecb6b43d9db39b689

    SHA1

    b16402f46cb8d62accfd6bc7cfc960b1fe00e653

    SHA256

    8618f19fa747849de158e4dbca69997134d06c19c566c41520d91f29e4c00111

    SHA512

    ac3a1a6d7ecbafff26b737bcf04da9f5b3749eec508a86780f56458dd8ca5382eb6f4b66f98a89a05791593c35f8173301c7122ec7301c0ea7430042ac955e03

  • memory/2380-0-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2380-1-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2380-8-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/3000-15-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/3000-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB