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
    11/08/2026, 00:54

General

  • Target
    2026-08-10_ce09ef7eb96965b3f7b3b5af41ab31e7_cryptolocker_elex.exe
  • Size 52KB
  • Sample260811-a9fakssdmc
  • SHA256 ff537dbd070d975a66ecbfa7952c6a1ee06d5c489e052fc89a1ed084ca51fba2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    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\2026-08-10_ce09ef7eb96965b3f7b3b5af41ab31e7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_ce09ef7eb96965b3f7b3b5af41ab31e7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4216
    • 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:2836
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5040

    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 52KB
          • SHA256 a97fda6925529ed05f56277aae7ac6f7aef7c1f9613b21c341405e80e6fb74d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2836-20-0x00000000022C0000-0x00000000022C6000-memory.dmp

          memory/2836-19-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/2836-26-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/4216-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/4216-1-0x0000000002280000-0x0000000002286000-memory.dmp

          memory/4216-2-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/4216-3-0x00000000022B0000-0x00000000022B6000-memory.dmp