Analysis

  • max time kernel
    148s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 23:38

General

  • Target
    2026-07-31_80ebff0278609eb5cae41a853f74304d_coinminer_cryptolocker_elex.exe
  • Size 70KB
  • Sample260731-3m1bfstsas
  • SHA256 1df21c1c5c841a4884bcf2be935a6a19aa957053b150d2e6eb5551f78ee12b13
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_80ebff0278609eb5cae41a853f74304d_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_80ebff0278609eb5cae41a853f74304d_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2060

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        asih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 70KB
        • SHA256 0ded83e72a5051567c5a79fd92ec94831a74c93a956c592342257a90ea925d43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2060-19-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2060-21-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2060-22-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/4588-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4588-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/4588-2-0x00000000020B0000-0x00000000020B6000-memory.dmp

        memory/4588-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4588-4-0x00000000020D0000-0x00000000020D6000-memory.dmp