Analysis

  • max time kernel
    148s
  • 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
    04-07-2024 03:28

General

  • Target

    2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe

  • Size

    53KB

  • MD5

    70efeba87789bba3cc80adf47cd8bf0d

  • SHA1

    2c1adca01035c56630c599cb276a057b951fb026

  • SHA256

    445bb7778eda8163bfef257de621db65e0553059e3f114ca018f7f0a0fd5f57e

  • SHA512

    20821c30a9bb4e9197100f99c5a1da7850d18e5efd8037d9621da81c0982cb66d30d3131c715a9aa9b946cf2094fc09382eef61ff1b9192cb5717d32ce33174d

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFWpzgVo2:X6QFElP6n+gJBMOtEvwDpjBtELVn

Score
7/10

Malware Config

Signatures

  • 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\2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    67b25fdb6b1df02184105ad63baa8c5e

    SHA1

    bf5c67ed1fdcb12c8cadd29c504ad8dcf7b752f4

    SHA256

    51a58018ce108adbe6bf3d60f16b47afc14da7e9c0018c772497557c4cf83563

    SHA512

    1c54e1cabdf87304b83b543a73e9e4ae7f4e9a00d067b96e028faa5515f071f3b347d9133da67e8b6b602fd1a7b3b3895b17ca69141805af61061b49d01e11ca

  • memory/3552-0-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3552-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3552-8-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4604-17-0x0000000002110000-0x0000000002116000-memory.dmp

    Filesize

    24KB

  • memory/4604-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB