Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 04:05

General

  • Target

    a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe

  • Size

    245KB

  • MD5

    708e4caddb8751075115f728af8f0cc0

  • SHA1

    8add6c6db1f70e9e9624f74f6b7135c8ddbf4824

  • SHA256

    a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d

  • SHA512

    7c0aea5bf6b7d5bfa77536c9aea762e351251c15ca6b7f45c73cdeada4c4676f129859c587bc52286a3871c77f0d383887b294e0457ef45d7d8881196f511e66

  • SSDEEP

    3072:znz2z/jMwe8Yc49+qol6WGHAUDBughtCW4uXmL6ooAJlSYg4FToCxECDVlBEucTx:mz/w+SWpQIW12WofaY1o4bVlWuRaFp

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/

Signatures

  • Modifies firewall policy service 2 TTPs 7 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Drops file in Drivers directory 1 IoCs
  • UPX packed file 3 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
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 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:672
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:620
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:788
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1016
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:432
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
              1⤵
                PID:628
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                1⤵
                  PID:1152
                  • C:\Windows\system32\taskhostw.exe
                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                    2⤵
                      PID:2512
                  • C:\Windows\system32\sihost.exe
                    sihost.exe
                    1⤵
                      PID:2388
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                      1⤵
                        PID:2704
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3552
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:4264
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                            1⤵
                              PID:4772
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              1⤵
                                PID:4800
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1824
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                  1⤵
                                    PID:2256
                                  • C:\Windows\system32\SppExtComObj.exe
                                    C:\Windows\system32\SppExtComObj.exe -Embedding
                                    1⤵
                                      PID:3992
                                    • C:\Windows\system32\wbem\wmiprvse.exe
                                      C:\Windows\system32\wbem\wmiprvse.exe
                                      1⤵
                                        PID:644
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                        1⤵
                                          PID:700
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                          1⤵
                                            PID:4504
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                            1⤵
                                              PID:4244
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                              1⤵
                                                PID:4216
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k netsvcs -p
                                                1⤵
                                                  PID:5112
                                                • C:\Windows\System32\RuntimeBroker.exe
                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                  1⤵
                                                    PID:4680
                                                  • C:\Windows\System32\RuntimeBroker.exe
                                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                    1⤵
                                                      PID:3796
                                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                      1⤵
                                                        PID:3640
                                                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                        1⤵
                                                          PID:3488
                                                        • C:\Windows\system32\DllHost.exe
                                                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                          1⤵
                                                            PID:3384
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                            1⤵
                                                              PID:3188
                                                            • C:\Windows\Explorer.EXE
                                                              C:\Windows\Explorer.EXE
                                                              1⤵
                                                                PID:2644
                                                                • C:\Users\Admin\AppData\Local\Temp\a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe"
                                                                  2⤵
                                                                  • Modifies firewall policy service
                                                                  • UAC bypass
                                                                  • Windows security bypass
                                                                  • Drops file in Drivers directory
                                                                  • Windows security modification
                                                                  • Checks whether UAC is enabled
                                                                  • Enumerates connected drives
                                                                  • Drops autorun.inf file
                                                                  • Drops file in Program Files directory
                                                                  • Drops file in Windows directory
                                                                  • Modifies registry class
                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                  • Suspicious behavior: GetForegroundWindowSpam
                                                                  • Suspicious behavior: MapViewOfSection
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  • Suspicious use of SetWindowsHookEx
                                                                  • Suspicious use of WriteProcessMemory
                                                                  • System policy modification
                                                                  PID:4908
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                1⤵
                                                                  PID:2720
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                  1⤵
                                                                    PID:2696
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                    1⤵
                                                                      PID:2652
                                                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                      1⤵
                                                                        PID:2588
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                        1⤵
                                                                          PID:2580
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                          1⤵
                                                                            PID:2460
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                            1⤵
                                                                              PID:2452
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                              1⤵
                                                                                PID:2396
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                1⤵
                                                                                  PID:2216
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                  1⤵
                                                                                    PID:2148
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                    1⤵
                                                                                      PID:1884
                                                                                    • C:\Windows\System32\spoolsv.exe
                                                                                      C:\Windows\System32\spoolsv.exe
                                                                                      1⤵
                                                                                        PID:1672
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                        1⤵
                                                                                          PID:2016
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                          1⤵
                                                                                            PID:1976
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1924
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                              1⤵
                                                                                                PID:1916
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                1⤵
                                                                                                  PID:1792
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                  1⤵
                                                                                                    PID:1780
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                    1⤵
                                                                                                      PID:1692
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                      1⤵
                                                                                                        PID:1680
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                        1⤵
                                                                                                          PID:1616
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                          1⤵
                                                                                                            PID:1608
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                            1⤵
                                                                                                              PID:1500
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                              1⤵
                                                                                                                PID:1468
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                1⤵
                                                                                                                  PID:1460
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                  1⤵
                                                                                                                    PID:1384
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                    1⤵
                                                                                                                      PID:1368
                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                      1⤵
                                                                                                                        PID:1228
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                        1⤵
                                                                                                                          PID:1212
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                          1⤵
                                                                                                                            PID:1196
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                            1⤵
                                                                                                                              PID:1040
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:424
                                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                1⤵
                                                                                                                                  PID:752
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                                  1⤵
                                                                                                                                    PID:952
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                                    1⤵
                                                                                                                                      PID:900
                                                                                                                                    • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                      "fontdrvhost.exe"
                                                                                                                                      1⤵
                                                                                                                                        PID:796
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                        1⤵
                                                                                                                                          PID:780
                                                                                                                                          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                                                                                                                            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                                                                                                                            2⤵
                                                                                                                                              PID:3824

                                                                                                                                          Network

                                                                                                                                                MITRE ATT&CK Enterprise v6

                                                                                                                                                Replay Monitor

                                                                                                                                                Loading Replay Monitor...

                                                                                                                                                Downloads

                                                                                                                                                • memory/4908-132-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  256KB

                                                                                                                                                • memory/4908-133-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  16.6MB

                                                                                                                                                • memory/4908-134-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  16.6MB

                                                                                                                                                • memory/4908-135-0x0000000002340000-0x00000000033CE000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  16.6MB

                                                                                                                                                • memory/4908-136-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                                                                                                  Filesize

                                                                                                                                                  256KB