Analysis

  • max time kernel
    137s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 18:23

General

  • Target

    2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe

  • Size

    47KB

  • MD5

    26b12d3f59e55324b6a63c520db609ef

  • SHA1

    25de39398038aec094b704fff4ee0d6992100591

  • SHA256

    1575ee0a75f9be643bca717854b346608f50e1bc202fcb81dcabae22554c95fe

  • SHA512

    6b6c24774b527608b726ae268d8e07903d3f357af8e8b786c4557cc0d4bc2ad1db962b129bc0f6705c9e60b3c2a66c55bcc2665abe3a87101b4712b13997b36f

  • SSDEEP

    768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITYaq:26Q0ElP6G+gBQMOtEvwDpjgWMl7TYaq

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\2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          48KB

          MD5

          dfe1bc815d34a789e1c2fd60d00a4aea

          SHA1

          299a9bad512692a3329d51e98d1df97668990979

          SHA256

          dfb29395dd8f67ff6c1d6e342264ed8ea005d0602176180399da3ec8b0b29e51

          SHA512

          1899411347574a25cb694a2af2c7d2ce34c8ecadc0262c68f97fa3292449dcff8a0e47033d8ae8e9f642265b69c4977e44bbf482d985ff2d916bb429931f4fdf

        • memory/588-16-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/588-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/588-18-0x0000000000280000-0x0000000000286000-memory.dmp

          Filesize

          24KB

        • memory/588-26-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/1328-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/1328-2-0x0000000000340000-0x0000000000346000-memory.dmp

          Filesize

          24KB

        • memory/1328-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1328-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1328-14-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB