Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 02:39

General

  • Target

    b8254e8ce33d892fa181ae9d6bd03cbc6eefc0114a0b0614e7eda8accb4a90fe.dll

  • Size

    284KB

  • MD5

    a29e65154935f9965830015d7b3478b0

  • SHA1

    5d36d94243010ca6e69939956566cd414bb0a265

  • SHA256

    b8254e8ce33d892fa181ae9d6bd03cbc6eefc0114a0b0614e7eda8accb4a90fe

  • SHA512

    391fe8bf11a7bf333c9c7842e0b515ccad7e317169cac1f723398422e15f0c24e090ba136e2948ecbdd31b5c62eb41b70e21f08b622bc725090522d542ff1ef6

  • SSDEEP

    6144:BBsxLVi2fLC/wch6f+NH4gP6poOZMTM2r:BBQLVBLeaAY6goOZMT/r

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

http://klkjwre77638dfqwieuoi888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 9 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:676
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:588
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:312
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:800
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:784
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                2⤵
                  PID:3284
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  2⤵
                    PID:3372
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    2⤵
                      PID:3436
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:3736
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:4472
                        • C:\Windows\system32\SppExtComObj.exe
                          C:\Windows\system32\SppExtComObj.exe -Embedding
                          2⤵
                            PID:1900
                          • C:\Windows\system32\wbem\wmiprvse.exe
                            C:\Windows\system32\wbem\wmiprvse.exe
                            2⤵
                              PID:640
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              2⤵
                                PID:4700
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:4204
                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                  2⤵
                                    PID:3520
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:792
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                    1⤵
                                      PID:900
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                      1⤵
                                        PID:1196
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                        1⤵
                                          PID:1320
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                          1⤵
                                            PID:1772
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                            1⤵
                                              PID:1904
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:2348
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                1⤵
                                                  PID:2552
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                  1⤵
                                                    PID:2692
                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                    1⤵
                                                      PID:2676
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                      1⤵
                                                        PID:2668
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                        1⤵
                                                          PID:2560
                                                        • C:\Windows\system32\taskhostw.exe
                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                          1⤵
                                                            PID:2480
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                            1⤵
                                                              PID:2392
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                              1⤵
                                                                PID:2112
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                1⤵
                                                                  PID:2096
                                                                • C:\Windows\System32\spoolsv.exe
                                                                  C:\Windows\System32\spoolsv.exe
                                                                  1⤵
                                                                    PID:1268
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                    1⤵
                                                                      PID:1984
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                      1⤵
                                                                        PID:1956
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                        1⤵
                                                                          PID:1864
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                          1⤵
                                                                            PID:2764
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                            1⤵
                                                                              PID:2752
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                              1⤵
                                                                                PID:1856
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1804
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                  1⤵
                                                                                    PID:1684
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                    1⤵
                                                                                      PID:1668
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                      1⤵
                                                                                        PID:2776
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                        1⤵
                                                                                          PID:1628
                                                                                        • C:\Windows\Explorer.EXE
                                                                                          C:\Windows\Explorer.EXE
                                                                                          1⤵
                                                                                            PID:3032
                                                                                            • C:\Windows\system32\rundll32.exe
                                                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8254e8ce33d892fa181ae9d6bd03cbc6eefc0114a0b0614e7eda8accb4a90fe.dll,#1
                                                                                              2⤵
                                                                                              • Suspicious use of WriteProcessMemory
                                                                                              PID:1456
                                                                                              • C:\Windows\SysWOW64\rundll32.exe
                                                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8254e8ce33d892fa181ae9d6bd03cbc6eefc0114a0b0614e7eda8accb4a90fe.dll,#1
                                                                                                3⤵
                                                                                                • Modifies firewall policy service
                                                                                                • Drops file in Drivers directory
                                                                                                • Drops file in System32 directory
                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                PID:1744
                                                                                                • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                                  C:\Windows\SysWOW64\rundll32mgr.exe
                                                                                                  4⤵
                                                                                                  • Modifies firewall policy service
                                                                                                  • UAC bypass
                                                                                                  • Windows security bypass
                                                                                                  • Disables RegEdit via registry modification
                                                                                                  • Executes dropped EXE
                                                                                                  • Windows security modification
                                                                                                  • Checks whether UAC is enabled
                                                                                                  • Drops file in Program Files directory
                                                                                                  • Drops file in Windows directory
                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                  • Suspicious use of UnmapMainImage
                                                                                                  • Suspicious use of WriteProcessMemory
                                                                                                  • System policy modification
                                                                                                  PID:3768
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                            1⤵
                                                                                              PID:1584
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                              1⤵
                                                                                                PID:1496
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                1⤵
                                                                                                  PID:2688
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                  1⤵
                                                                                                    PID:1448
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                    1⤵
                                                                                                      PID:2340
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                      1⤵
                                                                                                        PID:4600
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                        1⤵
                                                                                                          PID:1524
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                          1⤵
                                                                                                            PID:4520
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                            1⤵
                                                                                                              PID:460
                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                              1⤵
                                                                                                                PID:4072
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                1⤵
                                                                                                                  PID:4304
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                  1⤵
                                                                                                                    PID:1440
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                    1⤵
                                                                                                                      PID:1404
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                      1⤵
                                                                                                                        PID:1244
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                        1⤵
                                                                                                                          PID:1228
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                          1⤵
                                                                                                                            PID:1188
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                            1⤵
                                                                                                                              PID:1036
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:732
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                1⤵
                                                                                                                                  PID:868
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:440
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                    1⤵
                                                                                                                                      PID:956
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                      1⤵
                                                                                                                                        PID:908

                                                                                                                                      Network

                                                                                                                                      MITRE ATT&CK Enterprise v6

                                                                                                                                      Replay Monitor

                                                                                                                                      Loading Replay Monitor...

                                                                                                                                      Downloads

                                                                                                                                      • C:\Windows\SysWOW64\rundll32mgr.exe

                                                                                                                                        Filesize

                                                                                                                                        223KB

                                                                                                                                        MD5

                                                                                                                                        b0f41fe77b7e3ebd87f5f8541dda5eb9

                                                                                                                                        SHA1

                                                                                                                                        825f82025c1791ab329690152cb4b987cd38e5a1

                                                                                                                                        SHA256

                                                                                                                                        f9117603e1234b731b07ae5d9e1b258735355161282ede473b44865ecab3deb5

                                                                                                                                        SHA512

                                                                                                                                        5781cf945cd38731682d3e53a56e914aa9afadd128cc5f5448ed5b77c7b6be73608ef3686b013e1febcb15e38ccfe75591f101eddb053de6ab4df10b1664980e

                                                                                                                                      • C:\Windows\SysWOW64\rundll32mgr.exe

                                                                                                                                        Filesize

                                                                                                                                        223KB

                                                                                                                                        MD5

                                                                                                                                        b0f41fe77b7e3ebd87f5f8541dda5eb9

                                                                                                                                        SHA1

                                                                                                                                        825f82025c1791ab329690152cb4b987cd38e5a1

                                                                                                                                        SHA256

                                                                                                                                        f9117603e1234b731b07ae5d9e1b258735355161282ede473b44865ecab3deb5

                                                                                                                                        SHA512

                                                                                                                                        5781cf945cd38731682d3e53a56e914aa9afadd128cc5f5448ed5b77c7b6be73608ef3686b013e1febcb15e38ccfe75591f101eddb053de6ab4df10b1664980e

                                                                                                                                      • memory/1744-142-0x000000007FA80000-0x000000007FA8C000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        48KB

                                                                                                                                      • memory/1744-136-0x0000000010000000-0x0000000010048000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        288KB

                                                                                                                                      • memory/1744-150-0x000000007FA80000-0x000000007FA8C000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        48KB

                                                                                                                                      • memory/3768-143-0x00000000031E0000-0x000000000426E000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        16.6MB

                                                                                                                                      • memory/3768-141-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        132KB

                                                                                                                                      • memory/3768-138-0x00000000031E0000-0x000000000426E000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        16.6MB

                                                                                                                                      • memory/3768-145-0x0000000000400000-0x0000000000442000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        264KB

                                                                                                                                      • memory/3768-144-0x0000000000400000-0x0000000000442000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        264KB

                                                                                                                                      • memory/3768-146-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        132KB

                                                                                                                                      • memory/3768-147-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        132KB

                                                                                                                                      • memory/3768-148-0x0000000000400000-0x0000000000442000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        264KB

                                                                                                                                      • memory/3768-149-0x00000000031E0000-0x000000000426E000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        16.6MB

                                                                                                                                      • memory/3768-137-0x0000000000400000-0x0000000000442000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        264KB