Analysis

  • max time kernel
    37s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08/10/2021, 10:31

General

  • Target
    Enquiry- 0076HGF21.exe
  • Size 1.1MB
  • Sample211008-mkdfxadha3
  • SHA256 68211e55839cdee3f9da3d67af65541f1a21f07dc1ae503a5ebbcd5451b9df6f
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enquiry- 0076HGF21.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry- 0076HGF21.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\logagent.exe
      C:\Windows\System32\logagent.exe
      2⤵
        PID:876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 368
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1332
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            4⤵
            • Modifies registry key
            PID:1716
          • C:\Windows\SysWOW64\reg.exe
            reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
            4⤵
            • Modifies registry key
            PID:1772
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
            4⤵
              PID:956
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2672
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            3⤵
            • Modifies registry key
            PID:3748

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/856-115-0x0000000002831000-0x0000000002845000-memory.dmp

            memory/856-114-0x0000000000590000-0x000000000063E000-memory.dmp

            memory/876-124-0x00000000008D0000-0x00000000008D1000-memory.dmp

            memory/876-125-0x0000000000870000-0x0000000000871000-memory.dmp

            memory/876-123-0x0000000000810000-0x0000000000811000-memory.dmp