Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:28

General

  • Target

    2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe

  • Size

    45KB

  • MD5

    8816feafad18585403a6b3ec05e6afd5

  • SHA1

    8bf2028b9068ea83c7f86b025c4009ff6d70b7aa

  • SHA256

    6990caf5a27cca8012e35eec33f42513cc348519f0e1c48efea8a01ff4dc4b2b

  • SHA512

    82a44c2ffa99a36ca764858fa95e7945b9686eb42918c3ddcf1bf91fe55b1b4c15800fca4850b8e1b74de363a4ad7c7957dbac6f241c3fbc0a2d460598074c52

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NS:bm74zYcgT/EkM0ryfjd3WS

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\2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    8384e1dd8ea225fe9819c2d834c9ac3e

    SHA1

    e5ada143e89ed3582219e58ada1eaef4b568225c

    SHA256

    caf586f7da93fa0e81277f2412e75ac8f077f478b82369d8a0ba85c666a26f6a

    SHA512

    0934ce57df541530e0c7fadb9edba5a46ccf9639f1fdb39295cc2fd69dc0ba464a7f972ffaf06336414b3887b0ff7d67241fb9afa1d5f4f202438a6d4e25dade

  • memory/2344-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2344-1-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2344-2-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2344-9-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2344-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2344-14-0x0000000001E10000-0x0000000001E1D000-memory.dmp

    Filesize

    52KB

  • memory/2524-17-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2524-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2524-19-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2524-27-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB