Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 04:35

General

  • Target
    2024-06-13_d5430e702288d673a9bd280a1836e87d_cryptolocker.exe
  • Size 70KB
  • Sample240613-e7s6waxhmn
  • SHA256 e68b6d2ec0e9c7c92b10163711bc7b478466a64d48d5ceb5918b84a21935598e
  • MD5 SHA1 SHA512 SSDEEP
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\2024-06-13_d5430e702288d673a9bd280a1836e87d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_d5430e702288d673a9bd280a1836e87d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:4772

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 70KB
        • SHA256 1f0fad83241b89b421ca30bb8ba08781d474ca183c0820c4d13ad86d08037786
        • MD5 SHA1 SHA512 SSDEEP

        memory/2908-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/2908-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/2908-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

        memory/2908-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/2908-17-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4772-19-0x0000000000750000-0x0000000000756000-memory.dmp

        memory/4772-25-0x0000000000730000-0x0000000000736000-memory.dmp

        memory/4772-26-0x0000000000500000-0x000000000050F000-memory.dmp