Analysis

  • max time kernel
    148s
  • 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
    28/07/2026, 04:49

General

  • Target
    2026-07-28_45432d16e667e0b976f6c929c8d155ad_cryptolocker_elex.exe
  • Size 4.6MB
  • Sample260728-ff33fayyb1
  • SHA256 d86da4e65144755808f2f42b4c7b9dbba7c6a9592068b9823a0dd73146665377
  • 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\2026-07-28_45432d16e667e0b976f6c929c8d155ad_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_45432d16e667e0b976f6c929c8d155ad_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4496
    • 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:5544
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4904

    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 9cc84a84048ec16a66b8ef555fa0d3847001fcc218ddc2632a0301f89ec62d63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4496-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/4496-1-0x0000000002100000-0x0000000002106000-memory.dmp

          memory/4496-2-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/4496-3-0x00000000022C0000-0x00000000022C6000-memory.dmp

          memory/5544-18-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/5544-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

          memory/5544-20-0x0000000008000000-0x0000000008022000-memory.dmp