Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 01:12

General

  • Target
    2026-08-04_22ad590f740c8faa0aa3563846c47daf_coinminer_cryptolocker_elex.exe
  • Size 50KB
  • Sample260805-bkvjmsbd89
  • SHA256 905b20e5a88ad0922d1743cc7654324dbbf654860f764893e63365c7893f0e29
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 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\2026-08-04_22ad590f740c8faa0aa3563846c47daf_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_22ad590f740c8faa0aa3563846c47daf_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4144
    • 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:2912

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 51KB
        • SHA256 04ec71d5e8e13df36b14c817665fe79d905ead59d3109ad85e52457e0f527b94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2912-21-0x0000000002240000-0x0000000002246000-memory.dmp

        memory/2912-22-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/2912-28-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4144-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4144-1-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/4144-2-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/4144-3-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/4144-19-0x0000000000500000-0x000000000050F000-memory.dmp