Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 12:27

General

  • Target
    2026-08-01_f055d1e39f7ad32cbeccc1295dd82355_cryptolocker_elex.exe
  • Size 33KB
  • Sample260801-pm75eavfke
  • SHA256 c271b8d1405a403322d4d4458bd0fa5a839701a1857d3517f6d6c4a209a2e5ca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 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\2026-08-01_f055d1e39f7ad32cbeccc1295dd82355_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_f055d1e39f7ad32cbeccc1295dd82355_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1928

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        rewok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\rewok.exe
        • Size 33KB
        • SHA256 c4be111635d01e0308c801a0cc0aaa74b0517aff6d083af8146299625971db79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/916-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/916-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/916-2-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/916-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/1928-20-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/1928-22-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/1928-23-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/1928-29-0x0000000000400000-0x0000000000408000-memory.dmp