Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    23/05/2022, 00:32

General

  • Target

    SecuriteInfo.com.Variant.Bulz.3468.11624.exe

  • Size

    2.2MB

  • MD5

    e4d1ca6a124d4512337352fd57d928a8

  • SHA1

    4819ece1dc30948e4fb00805860bd4e469dfa3ae

  • SHA256

    911f2555f8790c5b06dad103319a4485b838e623bd73cb9d037a2b7ec463dfe1

  • SHA512

    b21fdcc187045de916629e1089c994331fa7ee75a4c1fb904639d65c9f59e7dfc614f15e646030c5fb2ff35979eb59c5991b7cf64f08d04644a17b2bbe16d89a

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.3468.11624.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.3468.11624.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\877976.bmp
      2⤵
        PID:1836
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1296

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1228-56-0x00000000751C1000-0x00000000751C3000-memory.dmp

      Filesize

      8KB