Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15/11/2020, 22:59

General

  • Target
    10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
  • Size 2.9MB
  • Sample201115-399pl5xpr2
  • SHA256 10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs
  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Warzone RAT Payload 38 IoCs
  • Executes dropped EXE 15 IoCs
  • Modifies Installed Components in the registry 2 TTPs
  • UPX packed file 41 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 6 IoCs
  • Loads dropped DLL 22 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 12 IoCs
  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
    "C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      2⤵
      • Drops startup file
      PID:1728
    • C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
      C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
        C:\Users\Admin\AppData\Local\Temp\10784bdb86533a47ecdc29e5bec5dbe00d9ec02e548b07fc26f10690299b27d6.exe
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:580
        • \??\c:\windows\system\explorer.exe
          c:\windows\system\explorer.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:564
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\explorer.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
            5⤵
            • Drops startup file
            PID:1500
          • \??\c:\windows\system\explorer.exe
            c:\windows\system\explorer.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            PID:924
            • \??\c:\windows\system\explorer.exe
              c:\windows\system\explorer.exe
              6⤵
              • Modifies WinLogon for persistence
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Drops file in Windows directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:512
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:1636
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                  8⤵
                  • Drops startup file
                  PID:1532
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe
                  8⤵
                  • Executes dropped EXE
                  PID:1908
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:1932
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                  8⤵
                  • Drops startup file
                  PID:1028
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe
                  8⤵
                  • Executes dropped EXE
                  PID:328
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:1864
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                  8⤵
                  • Drops startup file
                  PID:1960
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe
                  8⤵
                  • Executes dropped EXE
                  PID:1444
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:428
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                  8⤵
                    PID:564
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe
                    8⤵
                    • Executes dropped EXE
                    PID:960
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  PID:1872
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                    8⤵
                    • Drops startup file
                    PID:1972
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe
                    8⤵
                    • Executes dropped EXE
                    PID:888
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  PID:1868
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                    8⤵
                      PID:1580
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe
                      8⤵
                        PID:1492
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      7⤵
                      • Executes dropped EXE
                      • Drops file in Windows directory
                      • Suspicious use of SetWindowsHookEx
                      PID:748
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "c:\windows\system\spoolsv.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
                        8⤵
                          PID:1964
                    • C:\Windows\SysWOW64\diskperf.exe
                      "C:\Windows\SysWOW64\diskperf.exe"
                      6⤵
                        PID:1468
                • C:\Windows\SysWOW64\diskperf.exe
                  "C:\Windows\SysWOW64\diskperf.exe"
                  3⤵
                    PID:772

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    memory/328-84-0x0000000000400000-0x0000000006FD0000-memory.dmp

                    memory/512-122-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-76-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-124-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-60-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-59-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-91-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-57-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-134-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-93-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-61-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-135-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-106-0x0000000002C20000-0x0000000002C31000-memory.dmp

                    memory/512-77-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/512-108-0x0000000003030000-0x0000000003041000-memory.dmp

                    memory/580-31-0x0000000002720000-0x0000000002724000-memory.dmp

                    memory/580-16-0x0000000003130000-0x0000000003141000-memory.dmp

                    memory/580-6-0x0000000000400000-0x000000000043E000-memory.dmp

                    memory/580-18-0x0000000002D20000-0x0000000002D31000-memory.dmp

                    memory/580-15-0x0000000002D20000-0x0000000002D31000-memory.dmp

                    memory/580-30-0x0000000000240000-0x0000000000244000-memory.dmp

                    memory/580-11-0x0000000000400000-0x000000000043E000-memory.dmp

                    memory/772-10-0x0000000000400000-0x0000000000412000-memory.dmp

                    memory/772-8-0x0000000000400000-0x0000000000412000-memory.dmp

                    memory/924-32-0x0000000000400000-0x0000000006FD0000-memory.dmp

                    memory/1908-71-0x0000000000400000-0x0000000006FD0000-memory.dmp

                    memory/1956-5-0x0000000000400000-0x0000000006FD0000-memory.dmp

                    memory/1956-4-0x0000000000400000-0x0000000006FD0000-memory.dmp

                    memory/1956-1-0x0000000000400000-0x0000000006FD0000-memory.dmp