Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/09/2026, 03:45

General

  • Target
    2026-09-04_8ec8c941e1c3739fe1859a5f0c22aff1_cryptolocker_elex.exe
  • Size 46KB
  • Sample260905-ebba7asyf1
  • SHA256 8250258e675a770aac380529fd693b840c7e712cec5b2795307f8f43eb17e71a
  • 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\2026-09-04_8ec8c941e1c3739fe1859a5f0c22aff1_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_8ec8c941e1c3739fe1859a5f0c22aff1_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5972
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4044

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 47KB
        • SHA256 11cc65c228d48c4b381b28ac2cc2a432c7ccbf145ebc942aa662873df8398a55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4044-17-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4044-19-0x0000000003010000-0x0000000003016000-memory.dmp

        memory/4044-25-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5972-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5972-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

        memory/5972-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5972-3-0x0000000003150000-0x0000000003156000-memory.dmp