Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/09/2026, 13:48

General

  • Target
    2026-09-09_ae73f724af9e413890e498b94bec3a95_cryptolocker_elex.exe
  • Size 28KB
  • Sample260909-q4e1maxvfy
  • SHA256 34bd3abe89b0e80b6749760b6374b2a54c92f5407d09821288a68e6e89512ab9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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\2026-09-09_ae73f724af9e413890e498b94bec3a95_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-09_ae73f724af9e413890e498b94bec3a95_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2184

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        lossy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
        • Size 28KB
        • SHA256 84bee014452a778204d6092954e4785829a7cede44bc7db8618565a302eef0fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2100-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2100-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

        memory/2100-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/2100-3-0x00000000005D0000-0x00000000005D6000-memory.dmp

        memory/2184-17-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/2184-25-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/2184-19-0x00000000006C0000-0x00000000006C6000-memory.dmp