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Analysis

  • max time kernel
    143s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 05:22

General

  • Target

    40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a.exe

  • Size

    606KB

  • MD5

    5c555c3adde06e86dea7545c785ba6f5

  • SHA1

    7b56f9442151f9381db30b489fd1439855873140

  • SHA256

    40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a

  • SHA512

    b1e7eb577bef23341ce20b288db447e7d6017210685f384011033c04e1d62e4457a2f00845491a37b70c86e5aa6a8a3a55826d61a1ebd83428f8190373706b64

  • SSDEEP

    6144:GWZfec9EbXDk6RkQKVrG1VVE+IsrG1VVE+I5E2EeRQJ/od/UOPSe570Szp3y:3ZWtI6RkruPuVws/o2OB0H

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Blocks application from running via registry modification 17 IoCs

    Adds application to list of disallowed applications.

  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 20 IoCs
  • UPX packed file 5 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Drops file in Windows directory 10 IoCs
  • Launches sc.exe 8 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Runs net.exe
  • Runs regedit.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a.exe
    "C:\Users\Admin\AppData\Local\Temp\40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
      2⤵
        PID:1896
      • C:\Windows\SysWOW64\net.exe
        net.exe start schedule /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4344
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start schedule /y
          3⤵
            PID:5056
        • C:\Windows\SysWOW64\At.exe
          At.exe 10:05:37 AM C:\Windows\Help\HelpCat.exe
          2⤵
            PID:1376
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c at 10:04:47 AM C:\Windows\Sysinf.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Windows\SysWOW64\at.exe
              at 10:04:47 AM C:\Windows\Sysinf.bat
              3⤵
                PID:2144
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c at 10:07:48 AM C:\Windows\Sysinf.bat
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4608
              • C:\Windows\SysWOW64\at.exe
                at 10:07:48 AM C:\Windows\Sysinf.bat
                3⤵
                  PID:1344
              • C:\Windows\SysWOW64\net.exe
                net.exe stop wscsvc /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:512
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop wscsvc /y
                  3⤵
                    PID:4732
                • C:\Windows\SysWOW64\net.exe
                  net.exe stop sharedaccess /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2980
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop sharedaccess /y
                    3⤵
                      PID:4956
                  • C:\Windows\SysWOW64\net.exe
                    net.exe stop wuauserv /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1828
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop wuauserv /y
                      3⤵
                        PID:4688
                    • C:\Windows\SysWOW64\net.exe
                      net.exe stop srservice /y
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4044
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 stop srservice /y
                        3⤵
                          PID:2288
                      • C:\Windows\SysWOW64\net.exe
                        net.exe stop 360timeprot /y
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3376
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop 360timeprot /y
                          3⤵
                            PID:1300
                        • C:\Windows\SysWOW64\sc.exe
                          C:\Windows\system32\sc.exe config srservice start= disabled
                          2⤵
                          • Launches sc.exe
                          PID:340
                        • C:\Windows\SysWOW64\sc.exe
                          C:\Windows\system32\sc.exe config SharedAccess start= disabled
                          2⤵
                          • Launches sc.exe
                          PID:1988
                        • C:\Windows\SysWOW64\sc.exe
                          C:\Windows\system32\sc.exe config wscsvc start= disabled
                          2⤵
                          • Launches sc.exe
                          PID:4972
                        • C:\Windows\SysWOW64\sc.exe
                          C:\Windows\system32\sc.exe config srservice start= disabled
                          2⤵
                          • Launches sc.exe
                          PID:4316
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit.exe /s C:\Windows\regedt32.sys
                          2⤵
                          • Modifies visibility of file extensions in Explorer
                          • Blocks application from running via registry modification
                          • Sets file execution options in registry
                          • Runs regedit.exe
                          PID:1648
                        • C:\Windows\SysWOW64\reg.exe
                          C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                          2⤵
                            PID:3136
                          • C:\Windows\SysWOW64\reg.exe
                            C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                            2⤵
                              PID:2944
                            • C:\Windows\system\KavUpda.exe
                              C:\Windows\system\KavUpda.exe
                              2⤵
                              • Executes dropped EXE
                              • Drops autorun.inf file
                              • Drops file in System32 directory
                              • Drops file in Windows directory
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of SetWindowsHookEx
                              PID:4644
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
                                3⤵
                                  PID:2280
                                • C:\Windows\SysWOW64\net.exe
                                  net.exe start schedule /y
                                  3⤵
                                    PID:3800
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 start schedule /y
                                      4⤵
                                        PID:4304
                                    • C:\Windows\SysWOW64\At.exe
                                      At.exe 10:06:00 AM C:\Windows\Help\HelpCat.exe
                                      3⤵
                                        PID:4744
                                      • C:\Windows\SysWOW64\cmd.exe
                                        cmd /c at 10:05:02 AM C:\Windows\Sysinf.bat
                                        3⤵
                                          PID:2756
                                          • C:\Windows\SysWOW64\at.exe
                                            at 10:05:02 AM C:\Windows\Sysinf.bat
                                            4⤵
                                              PID:4764
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c at 10:08:02 AM C:\Windows\Sysinf.bat
                                            3⤵
                                              PID:2348
                                              • C:\Windows\SysWOW64\at.exe
                                                at 10:08:02 AM C:\Windows\Sysinf.bat
                                                4⤵
                                                  PID:1112
                                              • C:\Windows\SysWOW64\net.exe
                                                net.exe stop wscsvc /y
                                                3⤵
                                                  PID:3488
                                                  • C:\Windows\SysWOW64\net1.exe
                                                    C:\Windows\system32\net1 stop wscsvc /y
                                                    4⤵
                                                      PID:2836
                                                  • C:\Windows\SysWOW64\net.exe
                                                    net.exe stop sharedaccess /y
                                                    3⤵
                                                      PID:1176
                                                      • C:\Windows\SysWOW64\net1.exe
                                                        C:\Windows\system32\net1 stop sharedaccess /y
                                                        4⤵
                                                          PID:448
                                                      • C:\Windows\SysWOW64\net.exe
                                                        net.exe stop wuauserv /y
                                                        3⤵
                                                          PID:2380
                                                          • C:\Windows\SysWOW64\net1.exe
                                                            C:\Windows\system32\net1 stop wuauserv /y
                                                            4⤵
                                                              PID:2268
                                                          • C:\Windows\SysWOW64\net.exe
                                                            net.exe stop srservice /y
                                                            3⤵
                                                              PID:1232
                                                              • C:\Windows\SysWOW64\net1.exe
                                                                C:\Windows\system32\net1 stop srservice /y
                                                                4⤵
                                                                  PID:1124
                                                              • C:\Windows\SysWOW64\net.exe
                                                                net.exe stop 360timeprot /y
                                                                3⤵
                                                                  PID:3960
                                                                  • C:\Windows\SysWOW64\net1.exe
                                                                    C:\Windows\system32\net1 stop 360timeprot /y
                                                                    4⤵
                                                                      PID:228
                                                                  • C:\Windows\SysWOW64\sc.exe
                                                                    C:\Windows\system32\sc.exe config srservice start= disabled
                                                                    3⤵
                                                                    • Launches sc.exe
                                                                    PID:4992
                                                                  • C:\Windows\SysWOW64\sc.exe
                                                                    C:\Windows\system32\sc.exe config SharedAccess start= disabled
                                                                    3⤵
                                                                    • Launches sc.exe
                                                                    PID:3008
                                                                  • C:\Windows\SysWOW64\sc.exe
                                                                    C:\Windows\system32\sc.exe config wscsvc start= disabled
                                                                    3⤵
                                                                    • Launches sc.exe
                                                                    PID:2112
                                                                  • C:\Windows\SysWOW64\sc.exe
                                                                    C:\Windows\system32\sc.exe config srservice start= disabled
                                                                    3⤵
                                                                    • Launches sc.exe
                                                                    PID:4652
                                                                  • C:\Windows\SysWOW64\reg.exe
                                                                    C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                                                                    3⤵
                                                                      PID:1304
                                                                    • C:\Windows\SysWOW64\reg.exe
                                                                      C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                                                                      3⤵
                                                                        PID:1480
                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                        cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                        3⤵
                                                                          PID:1184
                                                                          • C:\Windows\SysWOW64\attrib.exe
                                                                            attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                            4⤵
                                                                            • Views/modifies file attributes
                                                                            PID:4692
                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                          cmd /c rmdir C:\Autorun.inf /s /q
                                                                          3⤵
                                                                            PID:1208
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                            3⤵
                                                                              PID:4336
                                                                              • C:\Windows\SysWOW64\attrib.exe
                                                                                attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                4⤵
                                                                                • Views/modifies file attributes
                                                                                PID:5044
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              cmd /c rmdir C:\Autorun.inf /s /q
                                                                              3⤵
                                                                                PID:4300
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                3⤵
                                                                                  PID:376
                                                                                  • C:\Windows\SysWOW64\attrib.exe
                                                                                    attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                    4⤵
                                                                                    • Views/modifies file attributes
                                                                                    PID:2176
                                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                                  cmd /c rmdir C:\Autorun.inf /s /q
                                                                                  3⤵
                                                                                    PID:3440
                                                                                  • C:\Windows\SysWOW64\cmd.exe
                                                                                    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                    3⤵
                                                                                      PID:1556
                                                                                      • C:\Windows\SysWOW64\attrib.exe
                                                                                        attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                        4⤵
                                                                                        • Views/modifies file attributes
                                                                                        PID:4016
                                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                                      cmd /c rmdir C:\Autorun.inf /s /q
                                                                                      3⤵
                                                                                        PID:2436
                                                                                      • C:\Windows\SysWOW64\cmd.exe
                                                                                        cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                        3⤵
                                                                                          PID:4844
                                                                                          • C:\Windows\SysWOW64\attrib.exe
                                                                                            attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                            4⤵
                                                                                            • Views/modifies file attributes
                                                                                            PID:1092
                                                                                        • C:\Windows\SysWOW64\cmd.exe
                                                                                          cmd /c rmdir C:\Autorun.inf /s /q
                                                                                          3⤵
                                                                                            PID:3412
                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                            cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                            3⤵
                                                                                              PID:1584
                                                                                              • C:\Windows\SysWOW64\attrib.exe
                                                                                                attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                                4⤵
                                                                                                • Views/modifies file attributes
                                                                                                PID:2004
                                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                                              cmd /c rmdir C:\Autorun.inf /s /q
                                                                                              3⤵
                                                                                                PID:1884
                                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                                cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                                3⤵
                                                                                                  PID:640
                                                                                                  • C:\Windows\SysWOW64\attrib.exe
                                                                                                    attrib -s -h -r C:\Autorun.inf\*.* /s /d
                                                                                                    4⤵
                                                                                                    • Views/modifies file attributes
                                                                                                    PID:3452
                                                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                                                  cmd /c rmdir C:\Autorun.inf /s /q
                                                                                                  3⤵
                                                                                                    PID:2964
                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                  net.exe stop wscsvc /y
                                                                                                  2⤵
                                                                                                    PID:4168
                                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                                      C:\Windows\system32\net1 stop wscsvc /y
                                                                                                      3⤵
                                                                                                        PID:4400
                                                                                                    • C:\Windows\SysWOW64\net.exe
                                                                                                      net.exe stop sharedaccess /y
                                                                                                      2⤵
                                                                                                        PID:1564
                                                                                                        • C:\Windows\SysWOW64\net1.exe
                                                                                                          C:\Windows\system32\net1 stop sharedaccess /y
                                                                                                          3⤵
                                                                                                            PID:1556
                                                                                                        • C:\Windows\SysWOW64\net.exe
                                                                                                          net.exe stop wuauserv /y
                                                                                                          2⤵
                                                                                                            PID:4484
                                                                                                            • C:\Windows\SysWOW64\net1.exe
                                                                                                              C:\Windows\system32\net1 stop wuauserv /y
                                                                                                              3⤵
                                                                                                                PID:4392
                                                                                                            • C:\Windows\SysWOW64\net.exe
                                                                                                              net.exe stop srservice /y
                                                                                                              2⤵
                                                                                                                PID:1736
                                                                                                                • C:\Windows\SysWOW64\net1.exe
                                                                                                                  C:\Windows\system32\net1 stop srservice /y
                                                                                                                  3⤵
                                                                                                                    PID:4220
                                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                                  net.exe stop 360timeprot /y
                                                                                                                  2⤵
                                                                                                                    PID:3448
                                                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                                                      C:\Windows\system32\net1 stop 360timeprot /y
                                                                                                                      3⤵
                                                                                                                        PID:560

                                                                                                                  Network

                                                                                                                  MITRE ATT&CK Enterprise v6

                                                                                                                  Replay Monitor

                                                                                                                  Loading Replay Monitor...

                                                                                                                  Downloads

                                                                                                                  • C:\Windows\SysWOW64\Option.bat

                                                                                                                    Filesize

                                                                                                                    82B

                                                                                                                    MD5

                                                                                                                    3f7fbd2eb34892646e93fd5e6e343512

                                                                                                                    SHA1

                                                                                                                    265ac1061b54f62350fb7a5f57e566454d013a66

                                                                                                                    SHA256

                                                                                                                    e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

                                                                                                                    SHA512

                                                                                                                    53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

                                                                                                                  • C:\Windows\SysWOW64\Option.bat

                                                                                                                    Filesize

                                                                                                                    82B

                                                                                                                    MD5

                                                                                                                    3f7fbd2eb34892646e93fd5e6e343512

                                                                                                                    SHA1

                                                                                                                    265ac1061b54f62350fb7a5f57e566454d013a66

                                                                                                                    SHA256

                                                                                                                    e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

                                                                                                                    SHA512

                                                                                                                    53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

                                                                                                                  • C:\Windows\Sysinf.bat

                                                                                                                    Filesize

                                                                                                                    460B

                                                                                                                    MD5

                                                                                                                    7db3d565d6ddbe65a8b0e093910e7dcd

                                                                                                                    SHA1

                                                                                                                    d4804e6180c6e74ba79d3343f2f2ccb15e502f12

                                                                                                                    SHA256

                                                                                                                    a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

                                                                                                                    SHA512

                                                                                                                    0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

                                                                                                                  • C:\Windows\System\KavUpda.exe

                                                                                                                    Filesize

                                                                                                                    606KB

                                                                                                                    MD5

                                                                                                                    5c555c3adde06e86dea7545c785ba6f5

                                                                                                                    SHA1

                                                                                                                    7b56f9442151f9381db30b489fd1439855873140

                                                                                                                    SHA256

                                                                                                                    40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a

                                                                                                                    SHA512

                                                                                                                    b1e7eb577bef23341ce20b288db447e7d6017210685f384011033c04e1d62e4457a2f00845491a37b70c86e5aa6a8a3a55826d61a1ebd83428f8190373706b64

                                                                                                                  • C:\Windows\regedt32.sys

                                                                                                                    Filesize

                                                                                                                    2KB

                                                                                                                    MD5

                                                                                                                    e7d7ec66bd61fac3843c98650b0c68f6

                                                                                                                    SHA1

                                                                                                                    a15ae06e1be51038863650746368a71024539bac

                                                                                                                    SHA256

                                                                                                                    6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

                                                                                                                    SHA512

                                                                                                                    ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

                                                                                                                  • C:\Windows\system\KavUpda.exe

                                                                                                                    Filesize

                                                                                                                    606KB

                                                                                                                    MD5

                                                                                                                    5c555c3adde06e86dea7545c785ba6f5

                                                                                                                    SHA1

                                                                                                                    7b56f9442151f9381db30b489fd1439855873140

                                                                                                                    SHA256

                                                                                                                    40420865e275a689bbc4411bd94e5f9d7c883f89f61748fe9151079f2ebaf49a

                                                                                                                    SHA512

                                                                                                                    b1e7eb577bef23341ce20b288db447e7d6017210685f384011033c04e1d62e4457a2f00845491a37b70c86e5aa6a8a3a55826d61a1ebd83428f8190373706b64

                                                                                                                  • memory/1652-138-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                                                                    Filesize

                                                                                                                    256KB

                                                                                                                  • memory/4644-207-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                                                                    Filesize

                                                                                                                    256KB

                                                                                                                  • memory/4644-171-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                                                                    Filesize

                                                                                                                    256KB