Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29/06/2020, 07:09

General

  • Target
    4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
  • Size 6.1MB
  • Sample200629-c29tca2l2a
  • SHA256 4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Adds Run entry to start application 2 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 377 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of SetThreadContext 13 IoCs
  • Executes dropped EXE 20 IoCs
  • Modifies the visibility of hidden or system files 1 IoCs
  • Drops startup file 3 IoCs
  • Drops file in Windows directory 13 IoCs
  • Suspicious use of SetWindowsHookEx 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
    "C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    PID:3068
    • 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\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      2⤵
      • Drops startup file
      PID:3836
    • C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
      C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
      2⤵
      • Adds Run entry to start application
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      PID:3828
      • C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
        C:\Users\Admin\AppData\Local\Temp\4567d8265b3dec803dfa668da8045b70df22802447b48f385fc4eab009648c4c.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:3732
        • \??\c:\windows\system\explorer.exe
          c:\windows\system\explorer.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          PID:572
          • 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⤵
              PID:3688
            • \??\c:\windows\system\explorer.exe
              c:\windows\system\explorer.exe
              5⤵
              • Adds Run entry to start application
              • Suspicious use of SetThreadContext
              • Executes dropped EXE
              PID:3812
              • \??\c:\windows\system\explorer.exe
                c:\windows\system\explorer.exe
                6⤵
                • Modifies WinLogon for persistence
                • Modifies Installed Components in the registry
                • Adds Run entry to start application
                • Suspicious behavior: EnumeratesProcesses
                • Executes dropped EXE
                • Modifies the visibility of hidden or system files
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:1508
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  7⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetThreadContext
                  • Executes dropped EXE
                  • Drops file in Windows directory
                  • Suspicious use of SetWindowsHookEx
                  PID:2088
                  • 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:2156
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe
                      8⤵
                      • Executes dropped EXE
                      PID:2536
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    7⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of SetThreadContext
                    • Executes dropped EXE
                    • Drops file in Windows directory
                    • Suspicious use of SetWindowsHookEx
                    PID:3860
                    • 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:2804
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe
                        8⤵
                        • Executes dropped EXE
                        PID:4048
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      7⤵
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetThreadContext
                      • Executes dropped EXE
                      • Drops file in Windows directory
                      • Suspicious use of SetWindowsHookEx
                      PID:3604
                      • 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:4008
                        • \??\c:\windows\system\spoolsv.exe
                          c:\windows\system\spoolsv.exe
                          8⤵
                          • Executes dropped EXE
                          PID:4072
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        7⤵
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of SetThreadContext
                        • Executes dropped EXE
                        • Drops file in Windows directory
                        • Suspicious use of SetWindowsHookEx
                        PID:3520
                        • 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:3828
                          • \??\c:\windows\system\spoolsv.exe
                            c:\windows\system\spoolsv.exe
                            8⤵
                            • Executes dropped EXE
                            PID:3004
                        • \??\c:\windows\system\spoolsv.exe
                          c:\windows\system\spoolsv.exe SE
                          7⤵
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of SetThreadContext
                          • Executes dropped EXE
                          • Drops file in Windows directory
                          • Suspicious use of SetWindowsHookEx
                          PID:2308
                          • 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:572
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe
                              8⤵
                              • Executes dropped EXE
                              PID:3056
                          • \??\c:\windows\system\spoolsv.exe
                            c:\windows\system\spoolsv.exe SE
                            7⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of SetThreadContext
                            • Executes dropped EXE
                            • Drops file in Windows directory
                            • Suspicious use of SetWindowsHookEx
                            PID:1008
                            • 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:1540
                              • \??\c:\windows\system\spoolsv.exe
                                c:\windows\system\spoolsv.exe
                                8⤵
                                • Executes dropped EXE
                                PID:3856
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe SE
                              7⤵
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of SetThreadContext
                              • Executes dropped EXE
                              • Drops file in Windows directory
                              • Suspicious use of SetWindowsHookEx
                              PID:1432
                              • 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:1228
                              • \??\c:\windows\system\spoolsv.exe
                                c:\windows\system\spoolsv.exe
                                8⤵
                                • Executes dropped EXE
                                PID:3200
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe SE
                              7⤵
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of SetThreadContext
                              • Executes dropped EXE
                              • Drops file in Windows directory
                              • 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⤵
                                  PID:2148
                                • \??\c:\windows\system\spoolsv.exe
                                  c:\windows\system\spoolsv.exe
                                  8⤵
                                  • Executes dropped EXE
                                  PID:2684
                              • \??\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:2624
                                • 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:68
                            • C:\Windows\SysWOW64\diskperf.exe
                              "C:\Windows\SysWOW64\diskperf.exe"
                              6⤵
                                PID:1780
                        • C:\Windows\SysWOW64\diskperf.exe
                          "C:\Windows\SysWOW64\diskperf.exe"
                          3⤵
                            PID:3848

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            memory/1508-115-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-46-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-47-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-48-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-91-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-92-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-126-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-81-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-79-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-45-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-70-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-58-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-59-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-69-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-114-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-125-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1508-103-0x0000000003C10000-0x0000000003C11000-memory.dmp

                            memory/1508-102-0x0000000003410000-0x0000000003411000-memory.dmp

                            memory/1780-30-0x0000000000400000-0x0000000000412000-memory.dmp

                            memory/1780-33-0x0000000000400000-0x0000000000412000-memory.dmp

                            memory/2536-52-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/3056-96-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/3732-12-0x0000000003350000-0x0000000003351000-memory.dmp

                            memory/3732-13-0x0000000003B50000-0x0000000003B51000-memory.dmp

                            memory/3732-8-0x0000000000400000-0x000000000043E000-memory.dmp

                            memory/3732-6-0x0000000000400000-0x000000000043E000-memory.dmp

                            memory/3812-23-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/3828-5-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/3828-4-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/3828-1-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/4048-64-0x0000000000400000-0x0000000006FD0000-memory.dmp

                            memory/4072-74-0x0000000000400000-0x0000000006FD0000-memory.dmp