Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 00:25

General

  • Target

    2024-10-13_5f133a79918bef9376544d3a2ce9d1fd_cryptolocker.exe

  • Size

    61KB

  • MD5

    5f133a79918bef9376544d3a2ce9d1fd

  • SHA1

    4f778270988aade0903f6312fb9a629b62be92f7

  • SHA256

    c99f6786cf7c2f2055e7b57f996fbdb690a44a0db6efaebbac4bf17dabc797db

  • SHA512

    1d5ace656eeb258e4a37db252c180529dcfa3a9ed87dc1e6f787db8811321c37a2aba4998f4004eb4c8fccf66ff8e3d44741cee7b367d719266c96b5dcdb98d1

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpECg:6j+1NMOtEvwDpjr8ox8UDEpbg

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-13_5f133a79918bef9376544d3a2ce9d1fd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_5f133a79918bef9376544d3a2ce9d1fd_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1920

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          62KB

          MD5

          d4e93c518d2363fe98b773a62b2de7c9

          SHA1

          e4640d2ad6d2434279de64357d5666813f5f0bf0

          SHA256

          ce334a3870af31a08cadea49133337ab6ebf0c1aa96f4caed7135c7ac47da366

          SHA512

          447d13856dc2a2283022cf963cdc19feef28ea29f2364fab75d1014d919be622cf12c8269c745dec6208640edcdb4bd3d0a09f9eaeb764c8fc10a44211afb329

        • memory/1700-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1700-1-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1700-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/1700-9-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1700-14-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1920-17-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/1920-18-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1920-25-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB