Analysis

  • max time kernel
    22s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16/07/2021, 23:34

General

  • Target
    keygen-step-3.exe
  • Size 869KB
  • Sample210716-b9pc4ssmrx
  • SHA256 da3b8a88c93f49e1d197caa2157876fc794b5cb3caaa69b482f5abf8ddbc523c
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe
    "C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\winnetdriv.exe
      "C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe" 1626478663 0
      2⤵
      • Executes dropped EXE
      • Deletes itself
      PID:1236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 880
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1564

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3944-114-0x0000000000400000-0x00000000004E4000-memory.dmp