Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/07/2026, 10:16

General

  • Target
    2026-07-06_8f039df78bbba481d0c5fcebc260f20e_cryptolocker_elex.exe
  • Size 41KB
  • Sample260706-maxf2adv41
  • SHA256 399f0b6a48b4ea5593af38f6f472ab75e1186f9655eaba6bd99ea8828d8f726e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 IoCs
  • Checks computer location settings 2 TTPs 2 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\2026-07-06_8f039df78bbba481d0c5fcebc260f20e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_8f039df78bbba481d0c5fcebc260f20e_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        gewos.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
        • Size 42KB
        • SHA256 c5b8d2b3eb95da5f0044f8b3bd32c64a4b9f020481c9618f6d3b791adc042760
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gewosik.exe

        • Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
        • Size 183B
        • SHA256 98363534ad4a5f899889144df284bc070fa009fb5af21c9b1753b66bac3ef0ab
        • MD5 SHA1 SHA512 TLSH

        memory/2456-19-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2456-27-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2760-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/2760-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/2760-2-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2760-3-0x0000000000400000-0x0000000000406000-memory.dmp