Analysis

  • max time kernel
    85s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 23:08

General

  • Target

    f9aae9546b380eda15c79a539f9db2985c424529bd7e9684100dd3eb0a4801e0.exe

  • Size

    99KB

  • MD5

    9c97f4c3840a29ceb39b21d22ee30803

  • SHA1

    776c833477bf9f1f79bd611ae8539c80d83255d9

  • SHA256

    f9aae9546b380eda15c79a539f9db2985c424529bd7e9684100dd3eb0a4801e0

  • SHA512

    8b8133b4169bb1b8250c53d000731e82c5a4d4dcd4e387361950af54c70955065d515afb9a944106262777450739ceae7738f668d2334e0f7a7a6490d0fb7d16

  • SSDEEP

    1536:zwvkNOWFnmocWP0aCgaGlmo3fyvIN+NcN26viABQGkllL5Psv5bY55B8:zjO8lm74BdiR5O5bC7

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9aae9546b380eda15c79a539f9db2985c424529bd7e9684100dd3eb0a4801e0.exe
    "C:\Users\Admin\AppData\Local\Temp\f9aae9546b380eda15c79a539f9db2985c424529bd7e9684100dd3eb0a4801e0.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\killfile.bat" "
      2⤵
      • Deletes itself
      PID:332

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\killfile.bat

          Filesize

          301B

          MD5

          90a813dd397870b3b58f2cd4e81df19a

          SHA1

          20be57c3b429f87693d08c0a58ccc00eb880dfc0

          SHA256

          6351fc3d30e50a32b69a68473e27cc39d6c4f0d79a9491cf7abe6009d240b885

          SHA512

          dc340fd357be3b12b253e10c9e13e6ee4cdc6da2b8f5c51e5fecaf35666a34a47584ec32bc9573357c41f807573e402f2a1405cbed593968cae7f273e113d2f5

        • memory/2024-54-0x0000000076031000-0x0000000076033000-memory.dmp

          Filesize

          8KB