Analysis

  • max time kernel
    148s
  • 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
    10/11/2026, 19:38

General

  • Target
    2026-11-09_52d4af6357ba598fd77e004b51389bbb_coinminer_cryptolocker_elex.exe
  • Size 72KB
  • Sample261110-ycrjca1w4k
  • SHA256 02154f3496dcf9bf724164774798e31b72d934b8141adeb5c8d448b4bb459d97
  • 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\2026-11-09_52d4af6357ba598fd77e004b51389bbb_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-09_52d4af6357ba598fd77e004b51389bbb_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3104
    • 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:2544

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 72KB
        • SHA256 4f87c42fbc59f5e51d7caff4fd283e08880073ee4c63faa85a6f546bb8aa0bd2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        asihed.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asihed.exe
        • Size 5KB
        • SHA256 d4a1146c97911d7ead87d0b98db1c570d25f8ce8f7b00f1c8e17ccfa29ad1406
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2544-27-0x00000000007D0000-0x00000000007D6000-memory.dmp

        memory/2544-21-0x0000000002090000-0x0000000002096000-memory.dmp

        memory/2544-54-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/3104-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/3104-1-0x00000000021B0000-0x00000000021B6000-memory.dmp

        memory/3104-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

        memory/3104-3-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/3104-19-0x0000000000500000-0x000000000050F000-memory.dmp