Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 00:02

General

  • Target
    2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe
  • Size 34KB
  • Sample260809-abpflaz1bt
  • SHA256 1a53ca1403d22a029dba5feb61b1273fdcd2454766e6f80ce8716d25de8a40f5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 34KB
        • SHA256 9484925e6950cc5e50465d72ccfc9be8cc9c165fc922d399a562350723777145
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3344-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/3344-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/3344-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

        memory/3344-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/3344-4-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/3568-20-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/3568-26-0x0000000000500000-0x0000000000510000-memory.dmp