Analysis

  • max time kernel
    124s
  • max time network
    165s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/01/2022, 00:47

General

  • Target
    e77b1f4456e8e8709e8c0e0aff0003af3767ffe7846afa878664407831290743.dll
  • Size 166KB
  • Sample220124-a5n2xshaa7
  • SHA256 e77b1f4456e8e8709e8c0e0aff0003af3767ffe7846afa878664407831290743
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e77b1f4456e8e8709e8c0e0aff0003af3767ffe7846afa878664407831290743.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e77b1f4456e8e8709e8c0e0aff0003af3767ffe7846afa878664407831290743.dll,#1
      2⤵
        PID:3156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 800
          3⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4016

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3156-118-0x0000000000690000-0x000000000073E000-memory.dmp

          memory/3156-119-0x00000000006B0000-0x00000000009F4000-memory.dmp

          memory/3156-120-0x00000000006B0000-0x00000000009F4000-memory.dmp

          memory/3156-121-0x0000000000E60000-0x0000000000E66000-memory.dmp