Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 16:00

General

  • Target
    2026-08-07_67990b6b3d48031c6db36ddea8911cb8_cryptolocker_elex.exe
  • Size 4.6MB
  • Sample260807-tfmx4sgp2w
  • SHA256 35ce2649e40466442979357a5b212967a9bcf381a9438f9d7c4ff00abb3ca3d3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2026-08-07_67990b6b3d48031c6db36ddea8911cb8_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_67990b6b3d48031c6db36ddea8911cb8_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • 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:3284

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 4.6MB
        • SHA256 bad9453ca2b7b3f94375aaef86f8ce6b389f288fb095b1ffc74cdc6c25a29bcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2248-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2248-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/2248-2-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/2248-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/3284-18-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3284-26-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3284-20-0x0000000002190000-0x0000000002196000-memory.dmp