Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 04:31

General

  • Target

    17b82874967e1b3bc9989f09a266ce0ccf47ddf4fa30d5da90e63cf8afe1ebff.exe

  • Size

    108KB

  • MD5

    da5a8845b4acd35c05c1ae46b007a79e

  • SHA1

    feebd3b0aa5dcf83b7bd060b71b004b82206322c

  • SHA256

    17b82874967e1b3bc9989f09a266ce0ccf47ddf4fa30d5da90e63cf8afe1ebff

  • SHA512

    462397d41f17305bf7b2aacaf7d9aaae0b2fc6c7c3c40e66e19c3b6a2d1d0d6f9c54f8a12e8b018548fa94a01cab76c4acb5f7dc1d9d69e6c442d730201a0e8f

  • SSDEEP

    3072:TD+qrKarOANYdtK8lyXEQ2ylf75+VPgt:TCcSla80X/jlN+VP

Score
8/10

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 17 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 13 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17b82874967e1b3bc9989f09a266ce0ccf47ddf4fa30d5da90e63cf8afe1ebff.exe
    "C:\Users\Admin\AppData\Local\Temp\17b82874967e1b3bc9989f09a266ce0ccf47ddf4fa30d5da90e63cf8afe1ebff.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\reg.exe
      C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\AppMgmt\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
      2⤵
      • Sets DLL path for service in the registry
      PID:684
    • C:\Windows\SysWOW64\reg.exe
      C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\AppMgmtParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\appmgmts.dll" /f
      2⤵
        PID:1444
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\Appinfo\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
        2⤵
        • Sets DLL path for service in the registry
        PID:1232
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\AppinfoParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\appinfo.dll" /f
        2⤵
          PID:2032
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\AppMgmt\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
          2⤵
          • Sets DLL path for service in the registry
          PID:908
        • C:\Windows\SysWOW64\reg.exe
          C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\AppMgmtParameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
          2⤵
            PID:280
          • C:\Windows\SysWOW64\reg.exe
            C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\IKEEXT\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
            2⤵
            • Sets DLL path for service in the registry
            PID:468
          • C:\Windows\SysWOW64\reg.exe
            C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\IKEEXTParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\ikeext.dll" /f
            2⤵
              PID:1012
            • C:\Windows\SysWOW64\reg.exe
              C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\iphlpsvc\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
              2⤵
              • Sets DLL path for service in the registry
              PID:900
            • C:\Windows\SysWOW64\reg.exe
              C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\iphlpsvcParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\iphlpsvc.dll" /f
              2⤵
                PID:1260
              • C:\Windows\SysWOW64\reg.exe
                C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\KtmRm\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                2⤵
                • Sets DLL path for service in the registry
                PID:1624
              • C:\Windows\SysWOW64\reg.exe
                C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\KtmRmParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%systemroot%\system32\msdtckrm.dll" /f
                2⤵
                  PID:1960
                • C:\Windows\SysWOW64\reg.exe
                  C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\MSiSCSI\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                  2⤵
                  • Sets DLL path for service in the registry
                  PID:1616
                • C:\Windows\SysWOW64\reg.exe
                  C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\MSiSCSIParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%systemroot%\system32\iscsiexe.dll" /f
                  2⤵
                    PID:828
                  • C:\Windows\SysWOW64\reg.exe
                    C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\PolicyAgent\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                    2⤵
                    • Sets DLL path for service in the registry
                    PID:1844
                  • C:\Windows\SysWOW64\reg.exe
                    C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\PolicyAgentParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\ipsecsvc.dll" /f
                    2⤵
                      PID:1524
                    • C:\Windows\SysWOW64\reg.exe
                      C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RasAuto\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                      2⤵
                      • Sets DLL path for service in the registry
                      PID:1060
                    • C:\Windows\SysWOW64\reg.exe
                      C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RasAutoParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\rasauto.dll" /f
                      2⤵
                        PID:1056
                      • C:\Windows\SysWOW64\reg.exe
                        C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RasMan\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                        2⤵
                        • Sets DLL path for service in the registry
                        PID:1580
                      • C:\Windows\SysWOW64\reg.exe
                        C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RasManParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\rasmans.dll" /f
                        2⤵
                          PID:1016
                        • C:\Windows\SysWOW64\reg.exe
                          C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RemoteAccess\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                          2⤵
                          • Sets DLL path for service in the registry
                          PID:1032
                        • C:\Windows\SysWOW64\reg.exe
                          C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\RemoteAccessParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\mprdim.dll" /f
                          2⤵
                            PID:1640
                          • C:\Windows\SysWOW64\reg.exe
                            C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\seclogon\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                            2⤵
                            • Sets DLL path for service in the registry
                            PID:1840
                          • C:\Windows\SysWOW64\reg.exe
                            C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\seclogonParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%windir%\system32\seclogon.dll" /f
                            2⤵
                              PID:2036
                            • C:\Windows\SysWOW64\reg.exe
                              C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\SessionEnv\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                              2⤵
                              • Sets DLL path for service in the registry
                              PID:1340
                            • C:\Windows\SysWOW64\reg.exe
                              C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\SessionEnvParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\system32\sessenv.dll" /f
                              2⤵
                                PID:876
                              • C:\Windows\SysWOW64\reg.exe
                                C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                                2⤵
                                • Sets DLL path for service in the registry
                                PID:1408
                              • C:\Windows\SysWOW64\reg.exe
                                C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\SharedAccessParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\ipnathlp.dll" /f
                                2⤵
                                  PID:1504
                                • C:\Windows\SysWOW64\reg.exe
                                  C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                                  2⤵
                                  • Sets DLL path for service in the registry
                                  PID:1468
                                • C:\Windows\SysWOW64\reg.exe
                                  C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrvParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\tapisrv.dll" /f
                                  2⤵
                                    PID:1572
                                  • C:\Windows\SysWOW64\reg.exe
                                    C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\TermService\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                                    2⤵
                                    • Sets DLL path for service in the registry
                                    PID:1936
                                  • C:\Windows\SysWOW64\reg.exe
                                    C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\TermServiceParameters" /v ServiceDll /t REG_EXPAND_SZ /d "%SystemRoot%\System32\termsrv.dll" /f
                                    2⤵
                                      PID:108
                                    • C:\Windows\SysWOW64\reg.exe
                                      C:\Windows\system32\reg.exe add "HKLM\SYSTEM\CurrentControlSet\services\Wecsvc\Parameters" /v ServiceDll /t REG_EXPAND_SZ /d "C:\Windows\system32\wbem\cimmapp.dll" /f
                                      2⤵
                                      • Sets DLL path for service in the registry
                                      PID:1436
                                  • C:\Windows\SysWOW64\svchost.exe
                                    C:\Windows\SysWOW64\svchost.exe -k netsvcs
                                    1⤵
                                      PID:1812
                                    • C:\Windows\SysWOW64\svchost.exe
                                      C:\Windows\SysWOW64\svchost.exe -k NetworkServiceAndNoImpersonation
                                      1⤵
                                        PID:1956
                                      • C:\Windows\SysWOW64\svchost.exe
                                        C:\Windows\SysWOW64\svchost.exe -k netsvcs
                                        1⤵
                                          PID:1224
                                        • C:\Windows\SysWOW64\svchost.exe
                                          C:\Windows\SysWOW64\svchost.exe -k NetworkService
                                          1⤵
                                          • Loads dropped DLL
                                          • Drops file in Windows directory
                                          • Modifies data under HKEY_USERS
                                          PID:1732

                                        Network

                                        MITRE ATT&CK Matrix ATT&CK v6

                                        Persistence

                                        Registry Run Keys / Startup Folder

                                        1
                                        T1060

                                        Defense Evasion

                                        Modify Registry

                                        1
                                        T1112

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • \??\c:\windows\SysWOW64\wbem\cimmapp.dll
                                          Filesize

                                          46.0MB

                                          MD5

                                          a38fc484ccd7fd88a5b50ebbc1d256c7

                                          SHA1

                                          0d78d3ce7c95d734b26973e47c96db2177480223

                                          SHA256

                                          957ea818b4798544d89f213213b7651d95dd33b5f5d66b12ba90eec73e92e80a

                                          SHA512

                                          7b1134aae205678032484c987fc8e7c7b442cf14e342938740d0acef74c3a1dab88773510950094752b576b035dc77ef334c6ac9c5edd2c88f1bf50b44c55a0e

                                        • \Windows\SysWOW64\wbem\cimmapp.dll
                                          Filesize

                                          46.0MB

                                          MD5

                                          a38fc484ccd7fd88a5b50ebbc1d256c7

                                          SHA1

                                          0d78d3ce7c95d734b26973e47c96db2177480223

                                          SHA256

                                          957ea818b4798544d89f213213b7651d95dd33b5f5d66b12ba90eec73e92e80a

                                          SHA512

                                          7b1134aae205678032484c987fc8e7c7b442cf14e342938740d0acef74c3a1dab88773510950094752b576b035dc77ef334c6ac9c5edd2c88f1bf50b44c55a0e

                                        • \Windows\SysWOW64\wbem\cimmapp.dll
                                          Filesize

                                          46.0MB

                                          MD5

                                          a38fc484ccd7fd88a5b50ebbc1d256c7

                                          SHA1

                                          0d78d3ce7c95d734b26973e47c96db2177480223

                                          SHA256

                                          957ea818b4798544d89f213213b7651d95dd33b5f5d66b12ba90eec73e92e80a

                                          SHA512

                                          7b1134aae205678032484c987fc8e7c7b442cf14e342938740d0acef74c3a1dab88773510950094752b576b035dc77ef334c6ac9c5edd2c88f1bf50b44c55a0e

                                        • memory/108-86-0x0000000000000000-mapping.dmp
                                        • memory/280-60-0x0000000000000000-mapping.dmp
                                        • memory/468-61-0x0000000000000000-mapping.dmp
                                        • memory/684-55-0x0000000000000000-mapping.dmp
                                        • memory/828-68-0x0000000000000000-mapping.dmp
                                        • memory/876-80-0x0000000000000000-mapping.dmp
                                        • memory/900-63-0x0000000000000000-mapping.dmp
                                        • memory/908-59-0x0000000000000000-mapping.dmp
                                        • memory/1012-62-0x0000000000000000-mapping.dmp
                                        • memory/1016-74-0x0000000000000000-mapping.dmp
                                        • memory/1032-75-0x0000000000000000-mapping.dmp
                                        • memory/1056-72-0x0000000000000000-mapping.dmp
                                        • memory/1060-71-0x0000000000000000-mapping.dmp
                                        • memory/1232-57-0x0000000000000000-mapping.dmp
                                        • memory/1260-64-0x0000000000000000-mapping.dmp
                                        • memory/1340-79-0x0000000000000000-mapping.dmp
                                        • memory/1408-81-0x0000000000000000-mapping.dmp
                                        • memory/1436-87-0x0000000000000000-mapping.dmp
                                        • memory/1444-56-0x0000000000000000-mapping.dmp
                                        • memory/1468-83-0x0000000000000000-mapping.dmp
                                        • memory/1504-82-0x0000000000000000-mapping.dmp
                                        • memory/1524-70-0x0000000000000000-mapping.dmp
                                        • memory/1572-84-0x0000000000000000-mapping.dmp
                                        • memory/1580-73-0x0000000000000000-mapping.dmp
                                        • memory/1616-67-0x0000000000000000-mapping.dmp
                                        • memory/1624-65-0x0000000000000000-mapping.dmp
                                        • memory/1640-76-0x0000000000000000-mapping.dmp
                                        • memory/1732-90-0x0000000075071000-0x0000000075073000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/1840-77-0x0000000000000000-mapping.dmp
                                        • memory/1844-69-0x0000000000000000-mapping.dmp
                                        • memory/1936-85-0x0000000000000000-mapping.dmp
                                        • memory/1960-66-0x0000000000000000-mapping.dmp
                                        • memory/2032-58-0x0000000000000000-mapping.dmp
                                        • memory/2036-78-0x0000000000000000-mapping.dmp