Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 08:02

General

  • Target
    2026-08-19_9cbfa30664bb84d633fcecde742ca959_coinminer_cryptolocker_elex.exe
  • Size 50KB
  • Sample260819-jxc45adh57
  • SHA256 6db2dbb4121d1c0d5e19f3fb6e3c4a8e825b6f3b5afdd04c63fec79bcc23aa24
  • 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\2026-08-19_9cbfa30664bb84d633fcecde742ca959_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_9cbfa30664bb84d633fcecde742ca959_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4408
    • 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:1224
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:236

    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 e630e942e05f2014398856c93dfc1d714486d900f3916767aab20e5b156e0a48
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1224-22-0x0000000000740000-0x0000000000746000-memory.dmp

          memory/1224-21-0x0000000000720000-0x0000000000726000-memory.dmp

          memory/1224-30-0x0000000000500000-0x000000000050F000-memory.dmp

          memory/4408-0-0x0000000000500000-0x000000000050F000-memory.dmp

          memory/4408-1-0x0000000000810000-0x0000000000816000-memory.dmp

          memory/4408-2-0x0000000000810000-0x0000000000816000-memory.dmp

          memory/4408-3-0x00000000020D0000-0x00000000020D6000-memory.dmp

          memory/4408-18-0x0000000000500000-0x000000000050F000-memory.dmp