Analysis

  • max time kernel
    142s
  • max time network
    34s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24/06/2020, 14:56

General

  • Target
    a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
  • Size 6.1MB
  • Sample200624-bf5hwgexfa
  • SHA256 a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Suspicious use of SetWindowsHookEx 32 IoCs
  • Suspicious use of SetThreadContext 15 IoCs
  • Executes dropped EXE 24 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 449 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies the visibility of hidden or system files 1 IoCs
  • Drops startup file 3 IoCs
  • Adds Run entry to start application 2 TTPs 5 IoCs
  • Drops file in Windows directory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
    "C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:3536
    • 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\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      2⤵
      • Drops startup file
      PID:3800
    • C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
      C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      • Adds Run entry to start application
      PID:4064
      • C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
        C:\Users\Admin\AppData\Local\Temp\a54b5b4111c81f54e792a33bfb2c90e39760b2b7e9e86e3848d57c074e3b7435.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Drops file in Windows directory
        PID:3816
        • \??\c:\windows\system\explorer.exe
          c:\windows\system\explorer.exe
          4⤵
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Drops file in Windows directory
          PID:3352
          • 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:3568
          • \??\c:\windows\system\explorer.exe
            c:\windows\system\explorer.exe
            5⤵
            • Suspicious use of SetThreadContext
            • Executes dropped EXE
            • Adds Run entry to start application
            PID:3524
            • \??\c:\windows\system\explorer.exe
              c:\windows\system\explorer.exe
              6⤵
              • Suspicious use of SetWindowsHookEx
              • Executes dropped EXE
              • Modifies Installed Components in the registry
              • Suspicious behavior: EnumeratesProcesses
              • Modifies WinLogon for persistence
              • Modifies the visibility of hidden or system files
              • Adds Run entry to start application
              • Drops file in Windows directory
              PID:1444
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of SetThreadContext
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Drops file in Windows directory
                PID:1656
                • 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:1864
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe
                  8⤵
                  • Executes dropped EXE
                  PID:2124
              • \??\c:\windows\system\spoolsv.exe
                c:\windows\system\spoolsv.exe SE
                7⤵
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of SetThreadContext
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Drops file in Windows directory
                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:2680
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe
                    8⤵
                    • Executes dropped EXE
                    PID:2952
                • \??\c:\windows\system\spoolsv.exe
                  c:\windows\system\spoolsv.exe SE
                  7⤵
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of SetThreadContext
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Drops file in Windows directory
                  PID:3648
                  • 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:3020
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe
                      8⤵
                      • Executes dropped EXE
                      PID:4068
                  • \??\c:\windows\system\spoolsv.exe
                    c:\windows\system\spoolsv.exe SE
                    7⤵
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of SetThreadContext
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Drops file in Windows directory
                    PID:3740
                    • 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:3788
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe
                        8⤵
                        • Executes dropped EXE
                        PID:2516
                    • \??\c:\windows\system\spoolsv.exe
                      c:\windows\system\spoolsv.exe SE
                      7⤵
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of SetThreadContext
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Drops file in Windows directory
                      PID:3396
                      • 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:3888
                        • \??\c:\windows\system\spoolsv.exe
                          c:\windows\system\spoolsv.exe
                          8⤵
                          • Executes dropped EXE
                          PID:1260
                      • \??\c:\windows\system\spoolsv.exe
                        c:\windows\system\spoolsv.exe SE
                        7⤵
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of SetThreadContext
                        • Executes dropped EXE
                        • Suspicious behavior: EnumeratesProcesses
                        • Drops file in Windows directory
                        PID:2216
                        • 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:2512
                          • \??\c:\windows\system\spoolsv.exe
                            c:\windows\system\spoolsv.exe
                            8⤵
                            • Executes dropped EXE
                            PID:1292
                        • \??\c:\windows\system\spoolsv.exe
                          c:\windows\system\spoolsv.exe SE
                          7⤵
                          • Suspicious use of SetWindowsHookEx
                          • Suspicious use of SetThreadContext
                          • Executes dropped EXE
                          • Suspicious behavior: EnumeratesProcesses
                          • Drops file in Windows directory
                          PID:3700
                          • 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:484
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe
                              8⤵
                              • Executes dropped EXE
                              PID:1456
                          • \??\c:\windows\system\spoolsv.exe
                            c:\windows\system\spoolsv.exe SE
                            7⤵
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of SetThreadContext
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            • Drops file in Windows directory
                            PID:2984
                            • 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:1624
                              • \??\c:\windows\system\spoolsv.exe
                                c:\windows\system\spoolsv.exe
                                8⤵
                                • Executes dropped EXE
                                PID:3796
                            • \??\c:\windows\system\spoolsv.exe
                              c:\windows\system\spoolsv.exe SE
                              7⤵
                              • Suspicious use of SetWindowsHookEx
                              • Suspicious use of SetThreadContext
                              • Executes dropped EXE
                              • Suspicious behavior: EnumeratesProcesses
                              • Drops file in Windows directory
                              PID:2712
                              • 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:2308
                              • \??\c:\windows\system\spoolsv.exe
                                c:\windows\system\spoolsv.exe SE
                                7⤵
                                • Suspicious use of SetWindowsHookEx
                                • Suspicious use of SetThreadContext
                                • Executes dropped EXE
                                • Suspicious behavior: EnumeratesProcesses
                                • Drops file in Windows directory
                                PID:1068
                                • 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:3136
                                  • \??\c:\windows\system\spoolsv.exe
                                    c:\windows\system\spoolsv.exe
                                    8⤵
                                    • Executes dropped EXE
                                    PID:1664
                                • \??\c:\windows\system\spoolsv.exe
                                  c:\windows\system\spoolsv.exe SE
                                  7⤵
                                  • Suspicious use of SetWindowsHookEx
                                  • Executes dropped EXE
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Drops file in Windows directory
                                  PID:3368
                                  • 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:3760
                                    • \??\c:\windows\system\spoolsv.exe
                                      c:\windows\system\spoolsv.exe
                                      8⤵
                                        PID:2860
                                  • C:\Windows\SysWOW64\diskperf.exe
                                    "C:\Windows\SysWOW64\diskperf.exe"
                                    6⤵
                                      PID:4004
                              • C:\Windows\SysWOW64\diskperf.exe
                                "C:\Windows\SysWOW64\diskperf.exe"
                                3⤵
                                  PID:3904

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  memory/1444-115-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-104-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-49-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-126-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-48-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-127-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-116-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-137-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-105-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-46-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-60-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-61-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-138-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-94-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-93-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-149-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-83-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-71-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-72-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-50-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

                                  memory/1444-147-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1444-82-0x00000000033D0000-0x00000000033D1000-memory.dmp

                                  memory/1456-121-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/2124-55-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/3524-27-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/3816-15-0x0000000003370000-0x0000000003371000-memory.dmp

                                  memory/3816-8-0x0000000000400000-0x000000000043E000-memory.dmp

                                  memory/3816-6-0x0000000000400000-0x000000000043E000-memory.dmp

                                  memory/3816-16-0x0000000003B70000-0x0000000003B71000-memory.dmp

                                  memory/3904-12-0x0000000000400000-0x0000000000412000-memory.dmp

                                  memory/3904-9-0x0000000000400000-0x0000000000412000-memory.dmp

                                  memory/4064-4-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/4064-1-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/4064-5-0x0000000000400000-0x0000000006FD0000-memory.dmp

                                  memory/4068-77-0x0000000000400000-0x0000000006FD0000-memory.dmp