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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
    19/03/2024, 16:48

General

  • Target

    2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe

  • Size

    82KB

  • MD5

    9bb52440893b084b6059360d9c9b692c

  • SHA1

    8494ccc925f521f833083d249d9cbcc6b6265262

  • SHA256

    3f7bc4a545ff3b0a1d5d933219b551b6d9267123db50a44b12064f4581fccdb9

  • SHA512

    39380b11be1a3eb46e905ec76057188f8fb791963c46352e8ab7ca22af52fbd8aed47069b68183a74f4f9255082670601d244110037142c909bd6db9b4cea550

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNB8:vCjsIOtEvwDpj5H9YvQd2U

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\2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    82KB

    MD5

    2adeac3d4046af979506294ae7dca483

    SHA1

    8da210dc38d6eaab9d77f8e918573060604c1a49

    SHA256

    42785fc81016c9fdfcabbeb5b7d7bfb38e214a2556e52cb6918d6bd3f6b70062

    SHA512

    b78f4042d6453aec4e5fadee9720de468fe6eeee07040d6761e05c1cd5ced20a630509407b9d511ffd177daad205829cb015e6514ffbd42a4bbe9e3b5fbfd946

  • memory/1700-16-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/1700-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2176-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2176-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2176-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB