Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 18:51

General

  • Target
    2026-09-29_88873ca19ced8464c92b1d08ff28dfb7_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260930-xhz71azdpg
  • SHA256 4e609ac070a0e64477f0cead4f227507cfc4fa830a60f156ce7388c60a2017bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_88873ca19ced8464c92b1d08ff28dfb7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_88873ca19ced8464c92b1d08ff28dfb7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5560
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5444
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2544

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          hasfj.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
          • Size 1.0MB
          • SHA256 74670d0c575550dfa9a62304f79b675cebc663a7131aedcefcfb2bf78efb0822
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5444-18-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/5444-26-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/5444-20-0x0000000002290000-0x0000000002296000-memory.dmp

          memory/5560-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/5560-1-0x0000000002270000-0x0000000002276000-memory.dmp

          memory/5560-9-0x0000000008000000-0x0000000008022000-memory.dmp

          memory/5560-2-0x00000000022A0000-0x00000000022A6000-memory.dmp