Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/10/2026, 19:04

General

  • Target
    2026-10-28_c589b773b4ec16d987283673eb6fe199_cryptolocker_elex.exe
  • Size 71KB
  • Sample261029-xrbwrssvcx
  • SHA256 ec3052c3c81ce77499113a494b546ba75a61c032562af578357b7750d4f2e439
  • 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-10-28_c589b773b4ec16d987283673eb6fe199_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_c589b773b4ec16d987283673eb6fe199_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6076
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        gewos.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
        • Size 71KB
        • SHA256 4add3dd0f1f114abec594f71a73209a77815c3b161afeff7678c91f78ccd4d5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gewosik.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
        • Size 183B
        • SHA256 3c44d7d26d938238d723f3b15963930162071c823200c2e0f6fa279619cca044
        • MD5 SHA1 SHA512 TLSH

        memory/2372-20-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/2372-23-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/2372-22-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/6076-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/6076-1-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/6076-2-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/6076-3-0x0000000000400000-0x0000000000406000-memory.dmp