Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/08/2026, 23:14

General

  • Target
    2026-08-06_4035d490c322bef5e3522e1bcd1fae1c_coinminer_cryptolocker_elex.exe
  • Size 50KB
  • Sample260806-28b1back3s
  • SHA256 82cff5b35469455d6dfc03e391d68c3e04bf299f2a2219a764dbefd1e57da472
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-06_4035d490c322bef5e3522e1bcd1fae1c_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_4035d490c322bef5e3522e1bcd1fae1c_coinminer_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4864

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 50KB
        • SHA256 8fc4349a7d577cabb2b9d67822999c38f58491de85bd9f50c2edeb8cd8e5fe95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4136-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4136-1-0x0000000000690000-0x0000000000696000-memory.dmp

        memory/4136-2-0x0000000000690000-0x0000000000696000-memory.dmp

        memory/4136-3-0x0000000000850000-0x0000000000856000-memory.dmp

        memory/4136-19-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4864-16-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4864-21-0x00000000004C0000-0x00000000004C6000-memory.dmp

        memory/4864-22-0x00000000004E0000-0x00000000004E6000-memory.dmp

        memory/4864-28-0x0000000000500000-0x000000000050F000-memory.dmp