Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/09/2026, 15:08

General

  • Target
    2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe
  • Size 67KB
  • Sample260908-sjaarashla
  • SHA256 faa11ebfea40fdc5407cc5de70a5b8bb6ecb969e6347fb98312614c599f59107
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • UPX dump on OEP (original entry point) 4 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 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4284
    • 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:3428

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        asih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 67KB
        • SHA256 ff00fa949f014fc1a23fac1bfd824d23a500023c74a9a5a22eedccc810f30952
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3428-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

        memory/3428-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

        memory/3428-27-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4284-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4284-1-0x0000000000510000-0x0000000000516000-memory.dmp

        memory/4284-2-0x0000000000510000-0x0000000000516000-memory.dmp

        memory/4284-3-0x0000000000670000-0x0000000000676000-memory.dmp

        memory/4284-18-0x0000000000500000-0x000000000050F000-memory.dmp