Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/06/2026, 07:36

General

  • Target
    2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe
  • Size 35KB
  • Sample260606-jfftpab19l
  • SHA256 bf4cb01ad5dae7daae26c517afca752f1a566b0c1d597f9280cf70084bd36433
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    Detection of CryptoLocker Variants 1 IoCs
  • Custom signature
    Detection of Cryptolocker Samples 1 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\2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2424

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 35KB
        • SHA256 bfa7a230d491a18dcbc48eae33ba1025c864f0ccfdd81c1b851acb575424eeb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/996-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/996-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/996-2-0x0000000002170000-0x0000000002176000-memory.dmp

        memory/2424-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

        memory/2424-18-0x00000000006F0000-0x00000000006F6000-memory.dmp