Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 02:22

General

  • Target
    2026-06-27_d8ba8fc3493b1ef63b98f5fe81db2ad8_cryptolocker_elex.exe
  • Size 4.6MB
  • Sample260629-ctx7kabs31
  • SHA256 ee1d3b0fda483fd4012e8efe328dc30f0f8f201aa67d9348e006db36de21637e
  • 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\2026-06-27_d8ba8fc3493b1ef63b98f5fe81db2ad8_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_d8ba8fc3493b1ef63b98f5fe81db2ad8_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2920
    • 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:1048
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2308

    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 4.6MB
          • SHA256 151e81fac8c42792648e70ee8dd99cb99d033531a8a1c1f384e64a160f9d9a71
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1048-18-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/1048-26-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/1048-20-0x00000000021A0000-0x00000000021A6000-memory.dmp

          memory/2920-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/2920-1-0x0000000002280000-0x0000000002286000-memory.dmp

          memory/2920-2-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/2920-3-0x00000000022C0000-0x00000000022C6000-memory.dmp