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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 23:52

General

  • Target

    2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe

  • Size

    50KB

  • MD5

    f80ecf9a0b1a62f65a57a20e65c16cae

  • SHA1

    cb676236a2ef58b471f9a10cf9a9eb780efd2776

  • SHA256

    eec575180b9d9119bc3d99f647762552d41964efe4342032dd510f30e9ba3ec4

  • SHA512

    f372c6774eb29d8caea22cf23d8194e8f5563d13d2167b81117c556d6fe31cbdc98fbc772c3d43e2587ff35f91de7370cb8b197d0684a6c44ae3fa4a3c08fbb1

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8GZ:ZVxkGOtEvwDpjcw

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    fdafc40a2c9a990cd144e912c071a7c7

    SHA1

    1134c8e649887bf7e43d56765b6f42f590045f4d

    SHA256

    44d64b2b2c1abf80df6a36dc66f2ea752b92c03a11ec3d7f7cf4a50bebd7e2f5

    SHA512

    3b1b3a6aa3117a7a533ea387ab7e9a22b4a5cbb7412bf6823e47b48c4e352fafd2b62fd6e168033a7f88ab2f5596057e1f8a729d1e73faf63361ae4329d8e218

  • memory/2108-0-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2108-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2108-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2108-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2888-15-0x00000000003B0000-0x00000000003B3000-memory.dmp

    Filesize

    12KB

  • memory/2888-24-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2888-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB