Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 03:58

General

  • Target
    2026-08-30_d127d642807af768ea99eaf15855ca8a_cryptolocker_elex.exe
  • Size 56KB
  • Sample260831-ejhegaee88
  • SHA256 0e892c8da9f149714ef2564d77e0c7a588d38111a3e1d03d2473974e415bfe08
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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).

  • 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\2026-08-30_d127d642807af768ea99eaf15855ca8a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-30_d127d642807af768ea99eaf15855ca8a_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5812
    • 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:2636

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 56KB
        • SHA256 ab932606ba681a7cabefb79780150700f6963251f420f966d2a76ad32886ea9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2636-18-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2636-20-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2636-21-0x0000000002070000-0x0000000002076000-memory.dmp

        memory/5812-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5812-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/5812-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/5812-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5812-4-0x00000000004F0000-0x00000000004F6000-memory.dmp