Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 22:43

General

  • Target
    2026-07-27_cf7c8d9b6074f163dc4f75fb50d53f01_cryptolocker_elex.exe
  • Size 50KB
  • Sample260727-2npqnssfmd
  • SHA256 f59b3756032ca26a1b7b4283f5cd5c933e468d4fbcc7df8069d9816e08556d59
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 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\2026-07-27_cf7c8d9b6074f163dc4f75fb50d53f01_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_cf7c8d9b6074f163dc4f75fb50d53f01_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5640
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4904
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4108

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          hasfj.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
          • Size 50KB
          • SHA256 bab30c071646213e7a8d5de61e33ee65f420f9bd5bacbd049cd82f5f8142b193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4904-18-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/4904-20-0x00000000022A0000-0x00000000022A6000-memory.dmp

          memory/4904-26-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/5640-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/5640-1-0x0000000002280000-0x0000000002286000-memory.dmp

          memory/5640-2-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/5640-3-0x00000000022C0000-0x00000000022C6000-memory.dmp