Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2025, 19:23

General

  • Target

    2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe

  • Size

    45KB

  • MD5

    09f23b132f8975e4916479ab29c57cde

  • SHA1

    ab9f9f9be18ad9a8b1e857658a4e87812f91b631

  • SHA256

    e4de265d3bd47185815ecb263e506b4f01d403d115fca2fb8c3ae32242336dfd

  • SHA512

    9e8c60ca75c123302fa63cc01471e9017e8f094aafba68f0d5aa9eaa65b4e9cda425e1b578044ab875c2a2dca036822526dc05382ab493a68c2e4a53edd6b373

  • SSDEEP

    768:b7o/2n1TCraU6GD1h4Pn9Xvyn62tH/1/Lp1Vpd1VVS:bc/y2y9c6iH/NLp1Ld3VS

Score
7/10

Malware Config

Signatures

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-02_09f23b132f8975e4916479ab29c57cde_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3164

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\rewok.exe

          Filesize

          46KB

          MD5

          8254dfef0594b8669d6c38ae60f84efe

          SHA1

          b03c42e8ca49915cb109ddbdaf73adf57cc27121

          SHA256

          8a12d2de566c7685588155a129d608e22bf2be4ec7f7de0ebec4f649b85ef23c

          SHA512

          c9b37dbd22539f82a3de780a95dcaeaa93db7b5f205ab2a682bcd329927dc9766452d99ad109ff733dc2247c8ffbfbb54517ae29cc1b4423e09fc46811de2bd6

        • memory/372-0-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

        • memory/372-1-0x0000000002200000-0x0000000002206000-memory.dmp

          Filesize

          24KB

        • memory/372-2-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/372-3-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/3164-19-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/3164-27-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/3164-29-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB