Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13/11/2020, 08:34

General

  • Target
    LIST OF ITEMS.pdf.exe
  • Size 1.2MB
  • Sample201113-vctrb43w42
  • SHA256 4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LIST OF ITEMS.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\LIST OF ITEMS.pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      PID:908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/LIST OF ITEMS.pdf.exe" "%appdata%\FolderN\name.exe" /Y
      2⤵
        PID:1640
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%appdata%\FolderN\name.exe.lnk" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
          3⤵
            PID:1744
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\FolderN\name.exe:Zone.Identifier
          2⤵
          • NTFS ADS
          PID:1008
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ren "%appdata%\FolderN\name.exe.jpg" name.exe
          2⤵
            PID:876
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:552
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 300
              3⤵
              • Delays execution with timeout.exe
              PID:1056

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/536-1-0x0000000000340000-0x0000000000341000-memory.dmp

              memory/536-0-0x0000000074360000-0x0000000074A4E000-memory.dmp