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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 20:26

General

  • Target

    2024-03-10_6d60af0833f1f57d75a3be4ef6c688d5_cryptolocker.exe

  • Size

    40KB

  • MD5

    6d60af0833f1f57d75a3be4ef6c688d5

  • SHA1

    9727a03b1548ede3cd406d4ff79cc9152658fca5

  • SHA256

    d17fb97cf96b3631d11760a55d5c8fa43aaaa52d3bfd9dc0fc864029978455ec

  • SHA512

    5439b84200e2e4c779740e39680888cf1ade55ef64308aeaffd2279ac49b8b00993bf1cb77ec2d1cabf6a1eff44bb4471a577a535a4b87c6c1ea6e87cd15b5e5

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRQM:m5nkFNMOtEvwDpjG8hhX6M

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 2 IoCs
  • Detects executables built or packed with MPress PE compressor 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-10_6d60af0833f1f57d75a3be4ef6c688d5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-10_6d60af0833f1f57d75a3be4ef6c688d5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    6c27c52f8618019ea44662f3e97de0d6

    SHA1

    4901dc9706a343c2963e3e88381d7eea8f05d534

    SHA256

    ba27cb5e7d4d1ded797de4b3e5fdd9ce83f21191911067e55ee5d2bd5baa7715

    SHA512

    6ee2ba8244aa5bcd9044aaca4054430133f0f335bf52eed04354e6f2772e89cd8fb4156e591079196da42e7ddafc073a9f14806f608d64a4fd23bbc168f34574

  • memory/2312-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2312-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/2312-3-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2312-2-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/2312-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2656-19-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2656-25-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/2656-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB