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
    12/09/2024, 09:42

General

  • Target

    2024-09-12_c1165cf9ece506471ed36fb43a7ee512_cryptolocker.exe

  • Size

    76KB

  • MD5

    c1165cf9ece506471ed36fb43a7ee512

  • SHA1

    9644d837c9d595bae6e43504e3465d9cc44942ea

  • SHA256

    0df60d2326f2140cfd2177761a14ee51fbc910b28d113437e23b1aaeed69ce0b

  • SHA512

    9d90fec9828728b57cf01698e28b38bbdbc01bc75d58261563f33cd67333c64f863afec009980260c3716dbd38ce9ca496df4c183672cbe25e8c01facd86b5fd

  • SSDEEP

    768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsrPM:u6QFElP6n+gWMOtEvwDpjJGYQbr0

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\2024-09-12_c1165cf9ece506471ed36fb43a7ee512_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_c1165cf9ece506471ed36fb43a7ee512_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2032
    • 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:3020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          76KB

          MD5

          872220158dd12db4c5f35b0a76635741

          SHA1

          bedcba8d468458fcd5cbf72e96184416467e971a

          SHA256

          a1f4f5da1b54dbdef071ae0515b11c5988ed47076eb7c8ffc73d89c548a816ab

          SHA512

          9f7b447c8c63381f6c33043f71734d63d273ac76394adf93872ed1e33cc77cd76066dc5c5c88ae56d9c022ac8acba577b3908c90f1868bd1942cf9805cd0dae7

        • memory/2032-1-0x0000000000210000-0x0000000000216000-memory.dmp

          Filesize

          24KB

        • memory/2032-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2032-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/3020-22-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/3020-15-0x0000000000390000-0x0000000000396000-memory.dmp

          Filesize

          24KB