Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 02:12

General

  • Target
    2026-10-28_712d44e8eb36ddbab2e4592080fe6ee9_coinminer_cryptolocker_elex.exe
  • Size 61KB
  • Sample261030-cm7sesda75
  • SHA256 839536215a5ec064e90eec21f2f0431a1b0d06a64eaa74166d5fae048bbd5403
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detection of CryptoLocker Variants 4 IoCs
  • Custom signature
    Detection of Cryptolocker Samples 4 IoCs
  • Custom signature
    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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-10-28_712d44e8eb36ddbab2e4592080fe6ee9_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_712d44e8eb36ddbab2e4592080fe6ee9_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5060
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4676

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 61KB
        • SHA256 46cae1b3472bccf6c1d3ca868b8025c15d6247051d8e0873958d58c9f3ae56a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4676-19-0x0000000002120000-0x0000000002126000-memory.dmp

        memory/4676-26-0x0000000002100000-0x0000000002106000-memory.dmp

        memory/4676-54-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/5060-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/5060-1-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/5060-2-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/5060-3-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/5060-27-0x0000000000500000-0x000000000050F000-memory.dmp