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Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 06:01

General

  • Target

    2024-01-09_ce6db0815ac7d768a3c6ff40e9f0ccba_cryptolocker.exe

  • Size

    45KB

  • MD5

    ce6db0815ac7d768a3c6ff40e9f0ccba

  • SHA1

    cb404584f6b6601fb73e26131ee0e9d13b65e5cb

  • SHA256

    4241198b4fc5d522eb8f3efeb9dd189733720761635dabc3de92d74d33906521

  • SHA512

    94718c3087a20874225dbf46b5a7c2c65cb322f68cad87d97c48d2f0a5c6ef6a7319720f9899a489e32dcd7a6ad01336938e2696a639f250e524ba85c4ae2160

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55Sw:X6QFElP6n+gJQMOtEvwDpjB0GIWSw

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\2024-01-09_ce6db0815ac7d768a3c6ff40e9f0ccba_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-09_ce6db0815ac7d768a3c6ff40e9f0ccba_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    765a4b93ef3fd0947d9838c981c66e9d

    SHA1

    d66d85bea281b75e9157e9add3194fe2f93f4cd6

    SHA256

    86a2c4e840daac60a50e8710e8692e18bb897eb5a5935dbe3ec899fa812d7503

    SHA512

    08eb0d2f0d1f9f225538774635c60878873fd7537f38a89ce9b94f63d8acdde7dc51c4f476b2aca80ef8f2a104dfa42eb6aca93ce8688d7fc44e242c4b3de6d5

  • memory/2480-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2480-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2480-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB