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Analysis

  • max time kernel
    90s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 13:03

General

  • Target

    7d355265faef465587580732d8401886.exe

  • Size

    148KB

  • MD5

    7d355265faef465587580732d8401886

  • SHA1

    0c64fa523ebf294cbe7e43267dbc7e0f9534b15a

  • SHA256

    7f90d34e5154e6b3be192629776dd556785799a62b74ec816bfd2d0caf82a06b

  • SHA512

    5807a293860b85a1faad2c51f9b21366e42f582d2adbb49ef4900d9090eb70625c8001c21aa9881b2ed4549670acf96b4fadbaf9816e3e7ce29b79ec8d2a472e

  • SSDEEP

    3072:lhT2137DYmJRJKph0QinoLKY6rlmkrylwdxMnoRvsiKm5NHVMSGkN:lhRqJkLLgrl8ltnbi5N1MSG6

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:672
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:616
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:756
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:60
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
            1⤵
              PID:392
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
              1⤵
                PID:1160
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                1⤵
                  PID:1292
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                  1⤵
                    PID:2924
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4092
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4028
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3928
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3748
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3628
                              • C:\Users\Admin\AppData\Local\Temp\7d355265faef465587580732d8401886.exe
                                "C:\Users\Admin\AppData\Local\Temp\7d355265faef465587580732d8401886.exe"
                                2⤵
                                • Checks computer location settings
                                • Suspicious use of WriteProcessMemory
                                PID:1320
                                • C:\windows.exe
                                  "C:\windows.exe"
                                  3⤵
                                  • Modifies firewall policy service
                                  • Modifies Installed Components in the registry
                                  • Executes dropped EXE
                                  • Drops file in System32 directory
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious behavior: MapViewOfSection
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  PID:2028
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 848
                                    4⤵
                                    • Program crash
                                    PID:3596
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                              1⤵
                                PID:3524
                              • C:\Windows\system32\wbem\unsecapp.exe
                                C:\Windows\system32\wbem\unsecapp.exe -Embedding
                                1⤵
                                  PID:3108
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                  1⤵
                                    PID:2996
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                    1⤵
                                      PID:2956
                                    • C:\Windows\sysmon.exe
                                      C:\Windows\sysmon.exe
                                      1⤵
                                        PID:2868
                                      • C:\Windows\system32\taskhostw.exe
                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                        1⤵
                                          PID:2804
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                          1⤵
                                            PID:2792
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                            1⤵
                                              PID:2784
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                              1⤵
                                                PID:2720
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:2644
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                  1⤵
                                                    PID:2516
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                    1⤵
                                                      PID:2484
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                      1⤵
                                                        PID:2280
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                        1⤵
                                                          PID:2248
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                          1⤵
                                                            PID:2164
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                            1⤵
                                                              PID:2132
                                                            • C:\Windows\System32\spoolsv.exe
                                                              C:\Windows\System32\spoolsv.exe
                                                              1⤵
                                                                PID:2076
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                1⤵
                                                                  PID:1032
                                                                • C:\Windows\System32\svchost.exe
                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                  1⤵
                                                                    PID:1960
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                    1⤵
                                                                      PID:1952
                                                                    • C:\Windows\system32\backgroundTaskHost.exe
                                                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                                      1⤵
                                                                        PID:516
                                                                      • C:\Windows\system32\MusNotification.exe
                                                                        C:\Windows\system32\MusNotification.exe
                                                                        1⤵
                                                                          PID:3356
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
                                                                          1⤵
                                                                            PID:2776
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                                                            1⤵
                                                                              PID:3232
                                                                            • C:\Windows\System32\RuntimeBroker.exe
                                                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                              1⤵
                                                                                PID:2972
                                                                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                                                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                                                                1⤵
                                                                                  PID:1680
                                                                                • C:\Windows\system32\DllHost.exe
                                                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                  1⤵
                                                                                    PID:4348
                                                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                    1⤵
                                                                                      PID:3212
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                      1⤵
                                                                                        PID:3624
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                        1⤵
                                                                                          PID:3884
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                          1⤵
                                                                                            PID:3492
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                            1⤵
                                                                                              PID:3856
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                              1⤵
                                                                                                PID:4920
                                                                                              • C:\Windows\system32\SppExtComObj.exe
                                                                                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                                                                                1⤵
                                                                                                  PID:4600
                                                                                                • C:\Windows\System32\RuntimeBroker.exe
                                                                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                                  1⤵
                                                                                                    PID:4236
                                                                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                    1⤵
                                                                                                      PID:3104
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                                      1⤵
                                                                                                        PID:1924
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                        1⤵
                                                                                                          PID:1816
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                          1⤵
                                                                                                            PID:1800
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                            1⤵
                                                                                                              PID:1744
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                              1⤵
                                                                                                                PID:1708
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                                1⤵
                                                                                                                  PID:1644
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                  1⤵
                                                                                                                    PID:1564
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                    1⤵
                                                                                                                      PID:1548
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                      1⤵
                                                                                                                        PID:1432
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                        1⤵
                                                                                                                          PID:1404
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                          1⤵
                                                                                                                            PID:1336
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                            1⤵
                                                                                                                              PID:1204
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                              1⤵
                                                                                                                                PID:1152
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                                1⤵
                                                                                                                                  PID:1128
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                                  1⤵
                                                                                                                                    PID:1104
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                                    1⤵
                                                                                                                                      PID:1064
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                      1⤵
                                                                                                                                        PID:652
                                                                                                                                      • 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
                                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                            1⤵
                                                                                                                                              PID:788
                                                                                                                                              • C:\Windows\System32\RuntimeBroker.exe
                                                                                                                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                                                                                2⤵
                                                                                                                                                  PID:3904
                                                                                                                                              • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                                "fontdrvhost.exe"
                                                                                                                                                1⤵
                                                                                                                                                  PID:760
                                                                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2028 -ip 2028
                                                                                                                                                  1⤵
                                                                                                                                                    PID:228

                                                                                                                                                  Network

                                                                                                                                                  MITRE ATT&CK Enterprise v15

                                                                                                                                                  Replay Monitor

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                                                                                                                                                  Downloads

                                                                                                                                                  • C:\windows.exe

                                                                                                                                                    Filesize

                                                                                                                                                    201KB

                                                                                                                                                    MD5

                                                                                                                                                    02d4c9a92b4d17cec860b4d6089d7453

                                                                                                                                                    SHA1

                                                                                                                                                    1f43da3736724fbc13c54120369484f7dbe59290

                                                                                                                                                    SHA256

                                                                                                                                                    afc33ff93923983c4d4d70281cc840b7de3d99e070a280f5376082b529eb211a

                                                                                                                                                    SHA512

                                                                                                                                                    de931cca11ed7181f395258eb3bef65aae301a97357311eceea331ea4d23970519bd812b6eca85718a0779119eac5b429193fec2a47951bcb02210b08339c34e

                                                                                                                                                  • memory/2028-11-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    216KB

                                                                                                                                                  • memory/2028-13-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/2028-14-0x00000000779F2000-0x00000000779F3000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    4KB

                                                                                                                                                  • memory/2028-15-0x00000000779F3000-0x00000000779F4000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    4KB

                                                                                                                                                  • memory/2028-16-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/2028-20-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/2028-21-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    48KB

                                                                                                                                                  • memory/2028-24-0x0000000000400000-0x0000000000436000-memory.dmp

                                                                                                                                                    Filesize

                                                                                                                                                    216KB