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
    19/07/2026, 03:05

General

  • Target
    2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe
  • Size 41KB
  • Sample260719-dlgqaadt21
  • SHA256 dbfcfe3069f88c12dbaa9a26d96ac07e64e653b735f6491b62d108bd12986fd0
  • 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\2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5048
    • 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:3828

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 41KB
        • SHA256 1111e08e92899b489a8bad7890ecc55c3a61196f51da072324f20537137cc621
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3828-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3828-20-0x0000000003010000-0x0000000003016000-memory.dmp

        memory/3828-19-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5048-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5048-1-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/5048-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5048-3-0x0000000003150000-0x0000000003156000-memory.dmp