Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 18:39

General

  • Target
    2026-10-08_2908cb428ea6937c51b5ceb386308d53_coinminer_cryptolocker_elex.exe
  • Size 71KB
  • Sample261009-xapfjadf42
  • SHA256 5ad4a5d5ce6f25d66fee37da7fa5e94876af9d9e5b643658b6bd7cc5acbeaaae
  • 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).

  • 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\2026-10-08_2908cb428ea6937c51b5ceb386308d53_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-08_2908cb428ea6937c51b5ceb386308d53_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4896
    • 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:5784
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4772

    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 71KB
          • SHA256 3ca6e4f1dfb5a1303049c0498fa9851f524627bf653e13a8125e894699d658d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4896-0-0x0000000000500000-0x0000000000510000-memory.dmp

          memory/4896-1-0x0000000000504000-0x0000000000505000-memory.dmp

          memory/4896-2-0x00000000020B0000-0x00000000020B6000-memory.dmp

          memory/4896-10-0x0000000000500000-0x0000000000510000-memory.dmp

          memory/4896-3-0x00000000020D0000-0x00000000020D6000-memory.dmp

          memory/5784-20-0x0000000002120000-0x0000000002126000-memory.dmp

          memory/5784-26-0x0000000000500000-0x0000000000510000-memory.dmp