Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 13:22

General

  • Target
    2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe
  • Size 35KB
  • Sample260721-qmk6back31
  • SHA256 11f564adc2217aca70e136f7ca1639163832ba1cbebac1691972e260ba5caf5d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2600
    • 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:1080

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 35KB
        • SHA256 97277686eecc63b25dbb359514a3d97b845034fa61359c67a3a6316a3bd84cdf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1080-18-0x00000000006D0000-0x00000000006D6000-memory.dmp

        memory/1080-19-0x0000000002120000-0x0000000002126000-memory.dmp

        memory/2600-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/2600-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/2600-2-0x0000000002270000-0x0000000002276000-memory.dmp