Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 11:44

General

  • Target
    2026-07-01_90a41ca5992b5d37464f5fc2a60380d8_cryptolocker_elex.exe
  • Size 41KB
  • Sample260701-nwad3aez71
  • SHA256 1a41e3932520be2d94b6c51e7241a0c2bbd29fe8ebbf5c7258efd5c8d44c22db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-01_90a41ca5992b5d37464f5fc2a60380d8_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_90a41ca5992b5d37464f5fc2a60380d8_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5696
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        gewos.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
        • Size 42KB
        • SHA256 89da308d12ed69a69a8b5e00b7cac70006a28417b6ace0ed887bbe8f18f7bcc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gewosik.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
        • Size 184B
        • SHA256 fbab8cb25ae2b74e67360338d2166265ddd38e60ccb369ac086746e28efe81d7
        • MD5 SHA1 SHA512 TLSH

        memory/5696-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/5696-1-0x0000000002100000-0x0000000002106000-memory.dmp

        memory/5696-2-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/5696-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/5888-20-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/5888-22-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/5888-28-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/5888-29-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/5888-31-0x0000000000400000-0x0000000000408000-memory.dmp