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Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 18:05

General

  • Target

    6c87e8812e2d26901b465f411f2f4218521cec6a675d91ea42b5a8e1500c4edd.dll

  • Size

    236KB

  • MD5

    0c1ba824814c0245cec96cf70a1cb722

  • SHA1

    ff9fb3392df2987ecd4697229d8bcbf0faf18eb2

  • SHA256

    6c87e8812e2d26901b465f411f2f4218521cec6a675d91ea42b5a8e1500c4edd

  • SHA512

    533c2e49a7b03ec2ebda02c20edf693577e45517866d3d3298e94c13a45597a6a010e0e0fb10687d5a5a3c13417d6e8b340fe5516dac8892242c02815257c479

  • SSDEEP

    1536:Iguo2K86vta10RJQYPIHL+D5IWhxRh/Ci4ucg3/+k5ltr+DRPG8Gz7wk+cQvMh:Go256vS0RJAL+lHPKi40+66iwkD0q

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c87e8812e2d26901b465f411f2f4218521cec6a675d91ea42b5a8e1500c4edd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c87e8812e2d26901b465f411f2f4218521cec6a675d91ea42b5a8e1500c4edd.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\kjd.dll

    Filesize

    478KB

    MD5

    e99416267b61f52fa5ab994019efd359

    SHA1

    86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

    SHA256

    768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

    SHA512

    0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

  • memory/4196-134-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/4196-135-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB