Analysis

  • max time kernel
    51s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 18:28

General

  • Target

    2024-06-12_183f1b1f3e62361c9d3b6f7b8d0c0ac0_bkransomware_buzus.exe

  • Size

    1.3MB

  • MD5

    183f1b1f3e62361c9d3b6f7b8d0c0ac0

  • SHA1

    38413d1f260884387308b1f5c79fb1525e06e679

  • SHA256

    09171c9dac4c7e0106d83653baded7108fa6ce7f218be6e2e93c41e8efc3ca59

  • SHA512

    3872d07614bf4d67c9b8514329c61e350009a36833135a24fa58fa66e5824f6a0db037f8391c3b638a0b113d82a946e2c996fb427b0d69be19a34c689a68d889

  • SSDEEP

    24576:7rKqlGCPcJKwybUDwEZZODYmR9G+gnbkk6XRJfe3DqYO/KpLwFfngWX4VmJPakZ:7rKo4ZwCOnYjVmJPai

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-12_183f1b1f3e62361c9d3b6f7b8d0c0ac0_bkransomware_buzus.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_183f1b1f3e62361c9d3b6f7b8d0c0ac0_bkransomware_buzus.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Users\Admin\AppData\Local\Temp\2024-06-12_183f1b1f3e62361c9d3b6f7b8d0c0ac0_bkransomware_buzus.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 1928
        3⤵
        • Program crash
        PID:1912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 1964
        3⤵
        • Program crash
        PID:1264
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4704 -ip 4704
    1⤵
      PID:3632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4704 -ip 4704
      1⤵
        PID:4612

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4704-0-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-1-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-2-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-4-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-3-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-5-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-6-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB

      • memory/4704-10-0x0000000000400000-0x00000000004D9000-memory.dmp

        Filesize

        868KB