Resubmissions

13-10-2024 13:51

241013-q5sywavamk 10

07-10-2024 18:21

241007-wzlv9svdrf 10

28-09-2024 13:59

240928-rawa7asbmd 10

28-09-2024 08:37

240928-kjcrwayfnd 10

Analysis

  • max time kernel
    1800s
  • max time network
    1801s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 13:59

General

  • Target

    fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll

  • Size

    5.0MB

  • MD5

    fbe91e0cbe5875ec547e4f8dc7737848

  • SHA1

    5e2da4e5dc9acd6bb22599a9c1c1f6f7dec4973b

  • SHA256

    0b689b231001383b2bb147c21580efe41c85ffd2666c12f4880e3991f6e836cc

  • SHA512

    b7c8ffbf7875c768e866d596a322755cf9aec46d8b643b6bbbc2b4413abf591ffe9811442954c5891c3b2bc26f801c4f48cebf8f5702bb7c49d58a2051b0b2e8

  • SSDEEP

    49152:enAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAZ0vZ6GIk:KDqPoBhz1aRxcSUDk36SAc0B6GIk

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (40222) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 5 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\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:772
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:1016
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:672
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:768
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:788
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:2992
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:4044
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:4012
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:1696
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:984
                                • 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:2244
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    2⤵
                                      PID:464
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:896
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                      1⤵
                                        PID:944
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                        1⤵
                                          PID:732
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                          1⤵
                                            PID:588
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                            1⤵
                                              PID:1060
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                              1⤵
                                                PID:1068
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                1⤵
                                                  PID:1080
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                  1⤵
                                                    PID:1188
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      2⤵
                                                        PID:2668
                                                      • C:\Windows\system32\MusNotification.exe
                                                        C:\Windows\system32\MusNotification.exe
                                                        2⤵
                                                          PID:4716
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                        1⤵
                                                          PID:1216
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                          1⤵
                                                            PID:1272
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                            1⤵
                                                              PID:1308
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                              1⤵
                                                                PID:1332
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                1⤵
                                                                  PID:1396
                                                                  • C:\Windows\system32\sihost.exe
                                                                    sihost.exe
                                                                    2⤵
                                                                      PID:2940
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                    1⤵
                                                                      PID:1424
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                      1⤵
                                                                        PID:1556
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                        1⤵
                                                                          PID:1576
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                          1⤵
                                                                            PID:1668
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                            1⤵
                                                                              PID:1712
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                              1⤵
                                                                                PID:1752
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                1⤵
                                                                                  PID:1772
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                  1⤵
                                                                                    PID:1824
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                    1⤵
                                                                                      PID:1884
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                      1⤵
                                                                                        PID:1892
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                        1⤵
                                                                                          PID:1952
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                          1⤵
                                                                                            PID:2012
                                                                                          • C:\Windows\System32\spoolsv.exe
                                                                                            C:\Windows\System32\spoolsv.exe
                                                                                            1⤵
                                                                                              PID:1544
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                              1⤵
                                                                                                PID:2108
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                1⤵
                                                                                                  PID:2132
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                  1⤵
                                                                                                    PID:2168
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                    1⤵
                                                                                                      PID:2304
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                      1⤵
                                                                                                        PID:2420
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                        1⤵
                                                                                                          PID:2428
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                          1⤵
                                                                                                            PID:2656
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                            1⤵
                                                                                                              PID:2704
                                                                                                            • C:\Windows\sysmon.exe
                                                                                                              C:\Windows\sysmon.exe
                                                                                                              1⤵
                                                                                                                PID:2724
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                1⤵
                                                                                                                  PID:2740
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                  1⤵
                                                                                                                    PID:2752
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                    1⤵
                                                                                                                      PID:3004
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                      1⤵
                                                                                                                        PID:3084
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                        1⤵
                                                                                                                          PID:3296
                                                                                                                        • C:\Windows\Explorer.EXE
                                                                                                                          C:\Windows\Explorer.EXE
                                                                                                                          1⤵
                                                                                                                            PID:3432
                                                                                                                            • C:\Windows\system32\rundll32.exe
                                                                                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
                                                                                                                              2⤵
                                                                                                                              • Suspicious use of WriteProcessMemory
                                                                                                                              PID:3020
                                                                                                                              • C:\Windows\SysWOW64\rundll32.exe
                                                                                                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
                                                                                                                                3⤵
                                                                                                                                • Drops file in Windows directory
                                                                                                                                • System Location Discovery: System Language Discovery
                                                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                                                PID:4908
                                                                                                                                • C:\WINDOWS\mssecsvc.exe
                                                                                                                                  C:\WINDOWS\mssecsvc.exe
                                                                                                                                  4⤵
                                                                                                                                  • Modifies firewall policy service
                                                                                                                                  • Executes dropped EXE
                                                                                                                                  • Drops file in Windows directory
                                                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                                                                  • Suspicious use of WriteProcessMemory
                                                                                                                                  PID:2848
                                                                                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 1440
                                                                                                                                    5⤵
                                                                                                                                    • Program crash
                                                                                                                                    PID:4288
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                            1⤵
                                                                                                                              PID:3608
                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                              1⤵
                                                                                                                                PID:1584
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                1⤵
                                                                                                                                  PID:3060
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                  1⤵
                                                                                                                                    PID:912
                                                                                                                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                    1⤵
                                                                                                                                      PID:3516
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                      1⤵
                                                                                                                                        PID:2040
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                        1⤵
                                                                                                                                          PID:4556
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                          1⤵
                                                                                                                                            PID:3152
                                                                                                                                          • C:\WINDOWS\mssecsvc.exe
                                                                                                                                            C:\WINDOWS\mssecsvc.exe -m security
                                                                                                                                            1⤵
                                                                                                                                            • Executes dropped EXE
                                                                                                                                            • System Location Discovery: System Language Discovery
                                                                                                                                            • Modifies data under HKEY_USERS
                                                                                                                                            • Suspicious behavior: EnumeratesProcesses
                                                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                                                            PID:4412
                                                                                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2848 -ip 2848
                                                                                                                                            1⤵
                                                                                                                                              PID:4784

                                                                                                                                            Network

                                                                                                                                            MITRE ATT&CK Enterprise v15

                                                                                                                                            Replay Monitor

                                                                                                                                            Loading Replay Monitor...

                                                                                                                                            Downloads

                                                                                                                                            • C:\Windows\mssecsvc.exe

                                                                                                                                              Filesize

                                                                                                                                              3.6MB

                                                                                                                                              MD5

                                                                                                                                              b2f2fc850ea25b02bfe431ed8c6bd410

                                                                                                                                              SHA1

                                                                                                                                              638510f86036e6dc0131e4a708a3f2e35411e2ca

                                                                                                                                              SHA256

                                                                                                                                              77f6052acc6348b35e3db64f5dd48e026cdcafdb6e55acb13d5bb040c731b80f

                                                                                                                                              SHA512

                                                                                                                                              683ffce735dfff080f4a75b8892546361e93d66b98dfba8f1a1203419bdb6f112bc59d02bb39961032c6eb9388f6d8a4dc14406219f944893d383c44a5683eb3

                                                                                                                                            • memory/2848-4-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              6.4MB

                                                                                                                                            • memory/2848-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-7-0x0000000077013000-0x0000000077014000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4KB

                                                                                                                                            • memory/2848-6-0x0000000077012000-0x0000000077013000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              4KB

                                                                                                                                            • memory/2848-8-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-10-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-11-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-13-0x000000007FE30000-0x000000007FE3C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-15-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              48KB

                                                                                                                                            • memory/2848-17-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              6.4MB

                                                                                                                                            • memory/4412-18-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                                                                                                              Filesize

                                                                                                                                              6.4MB