Analysis

  • max time kernel
    193s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 23:54

General

  • Target

    b9078c0d7f22c68e45f19bc5c9de1919f6a07f4cf85ccb8aa391d675e8e687f1.exe

  • Size

    3.0MB

  • MD5

    c2304d10fca46da64b7e4c91295f2d22

  • SHA1

    92e66bacb7129f672d34b5f855b2a5b2721be2ee

  • SHA256

    b9078c0d7f22c68e45f19bc5c9de1919f6a07f4cf85ccb8aa391d675e8e687f1

  • SHA512

    f6db7a31fd6ab2fdeb5e1f4f99b945c749ae33f154da45f4f1cd1cf9705271374d10fffc46f88890b41e395560a5244843f443ff7fed279a732c4dd56a05e9e8

  • SSDEEP

    49152:BdaaxdGvpwh7+UCSQTbHKlYtSFIZzg4ismy4keHFg5J7Daae3a6p+mTQYzcizg:/jxkBwha8Q/HKlYtQGvoA5J7DP3/YIb

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
    1⤵
      PID:408
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
      1⤵
        PID:1120
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
        1⤵
          PID:1684
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
          1⤵
            PID:2064
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
            1⤵
              PID:2528
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3456
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:4080
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4724
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k WerSvcGroup
                    1⤵
                      PID:3684
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4984 -ip 4984
                        2⤵
                          PID:3416
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                        1⤵
                          PID:956
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k netsvcs -p
                          1⤵
                            PID:4172
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                            1⤵
                              PID:1128
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                              1⤵
                                PID:2028
                              • C:\Windows\system32\SppExtComObj.exe
                                C:\Windows\system32\SppExtComObj.exe -Embedding
                                1⤵
                                  PID:2600
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                  1⤵
                                    PID:3388
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                    1⤵
                                      PID:2360
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                      1⤵
                                        PID:1140
                                      • C:\Windows\system32\DllHost.exe
                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                        1⤵
                                          PID:4428
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3724
                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                            1⤵
                                              PID:3540
                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                              1⤵
                                                PID:3380
                                              • C:\Windows\system32\DllHost.exe
                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                1⤵
                                                  PID:3296
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                  1⤵
                                                    PID:3092
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:752
                                                      • C:\Users\Admin\AppData\Local\Temp\b9078c0d7f22c68e45f19bc5c9de1919f6a07f4cf85ccb8aa391d675e8e687f1.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\b9078c0d7f22c68e45f19bc5c9de1919f6a07f4cf85ccb8aa391d675e8e687f1.exe"
                                                        2⤵
                                                        • Checks computer location settings
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:4160
                                                        • C:\Users\Admin\AppData\Roaming\3ksqk4592KS.exe
                                                          "C:\Users\Admin\AppData\Roaming\3ksqk4592KS.exe"
                                                          3⤵
                                                          • Executes dropped EXE
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          PID:2604
                                                        • C:\Users\Admin\AppData\Roaming\4ksqk4592KS.exe
                                                          "C:\Users\Admin\AppData\Roaming\4ksqk4592KS.exe"
                                                          3⤵
                                                          • Modifies firewall policy service
                                                          • Drops file in Drivers directory
                                                          • Executes dropped EXE
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious behavior: MapViewOfSection
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of SetWindowsHookEx
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:4984
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 744
                                                            4⤵
                                                            • Program crash
                                                            PID:3680
                                                    • C:\Windows\system32\taskhostw.exe
                                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                      1⤵
                                                        PID:2868
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                        1⤵
                                                          PID:2808
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:2716
                                                          • C:\Windows\system32\svchost.exe
                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                            1⤵
                                                              PID:2536
                                                            • C:\Windows\system32\svchost.exe
                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                              1⤵
                                                                PID:2520
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                1⤵
                                                                  PID:2500
                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                  1⤵
                                                                    PID:2448
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                    1⤵
                                                                      PID:2440
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                      1⤵
                                                                        PID:2300
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                        1⤵
                                                                          PID:2292
                                                                        • C:\Windows\System32\svchost.exe
                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                          1⤵
                                                                            PID:2220
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                            1⤵
                                                                              PID:2132
                                                                            • C:\Windows\System32\spoolsv.exe
                                                                              C:\Windows\System32\spoolsv.exe
                                                                              1⤵
                                                                                PID:1752
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                1⤵
                                                                                  PID:2020
                                                                                • C:\Windows\System32\svchost.exe
                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                  1⤵
                                                                                    PID:1968
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                    1⤵
                                                                                      PID:1896
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                      1⤵
                                                                                        PID:1888
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1804
                                                                                        • C:\Windows\System32\svchost.exe
                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                          1⤵
                                                                                            PID:1784
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                            1⤵
                                                                                              PID:1692
                                                                                            • C:\Windows\System32\svchost.exe
                                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                              1⤵
                                                                                                PID:1656
                                                                                              • 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:1536
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                    1⤵
                                                                                                      PID:1496
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                      1⤵
                                                                                                        PID:1484
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                        1⤵
                                                                                                          PID:1424
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                          1⤵
                                                                                                            PID:1308
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                            1⤵
                                                                                                              PID:1272
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                              1⤵
                                                                                                                PID:1256
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                1⤵
                                                                                                                  PID:1132
                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                  1⤵
                                                                                                                    PID:1112
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                    1⤵
                                                                                                                      PID:1064
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                      1⤵
                                                                                                                        PID:984
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                        1⤵
                                                                                                                          PID:712
                                                                                                                        • C:\Windows\system32\dwm.exe
                                                                                                                          "dwm.exe"
                                                                                                                          1⤵
                                                                                                                            PID:1020
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                                                                                                            1⤵
                                                                                                                              PID:948
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k RPCSS -p
                                                                                                                              1⤵
                                                                                                                                PID:892
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k DcomLaunch -p
                                                                                                                                1⤵
                                                                                                                                  PID:784
                                                                                                                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                                                    C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                                                                                                                                    2⤵
                                                                                                                                      PID:4180
                                                                                                                                  • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                    "fontdrvhost.exe"
                                                                                                                                    1⤵
                                                                                                                                      PID:776
                                                                                                                                    • C:\Windows\system32\fontdrvhost.exe
                                                                                                                                      "fontdrvhost.exe"
                                                                                                                                      1⤵
                                                                                                                                        PID:768
                                                                                                                                      • C:\Windows\system32\lsass.exe
                                                                                                                                        C:\Windows\system32\lsass.exe
                                                                                                                                        1⤵
                                                                                                                                          PID:668
                                                                                                                                        • C:\Windows\system32\winlogon.exe
                                                                                                                                          winlogon.exe
                                                                                                                                          1⤵
                                                                                                                                            PID:580
                                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
                                                                                                                                            1⤵
                                                                                                                                              PID:1932
                                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                              1⤵
                                                                                                                                                PID:3516

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • C:\Users\Admin\AppData\Roaming\3ksqk4592KS.exe

                                                                                                                                                Filesize

                                                                                                                                                413KB

                                                                                                                                                MD5

                                                                                                                                                23ecc65f9108e60ccd765c1e3347ed83

                                                                                                                                                SHA1

                                                                                                                                                5145b5f65264875f5d441893cdbc8bf370a3565b

                                                                                                                                                SHA256

                                                                                                                                                0b883655a060c3ae39db71e79e90c5be71148a5c3dc30c9fb9ca770951942b6a

                                                                                                                                                SHA512

                                                                                                                                                3e5960b9f0dd5e07d71a092a468afa94b025c1e90f086c59e0d807adbe2b5b44d3dc99be83709895b85e17fade38c63cdf837097e30ae668088ad12a0673d9e5

                                                                                                                                              • C:\Users\Admin\AppData\Roaming\3ksqk4592KS.exe

                                                                                                                                                Filesize

                                                                                                                                                413KB

                                                                                                                                                MD5

                                                                                                                                                23ecc65f9108e60ccd765c1e3347ed83

                                                                                                                                                SHA1

                                                                                                                                                5145b5f65264875f5d441893cdbc8bf370a3565b

                                                                                                                                                SHA256

                                                                                                                                                0b883655a060c3ae39db71e79e90c5be71148a5c3dc30c9fb9ca770951942b6a

                                                                                                                                                SHA512

                                                                                                                                                3e5960b9f0dd5e07d71a092a468afa94b025c1e90f086c59e0d807adbe2b5b44d3dc99be83709895b85e17fade38c63cdf837097e30ae668088ad12a0673d9e5

                                                                                                                                              • C:\Users\Admin\AppData\Roaming\4ksqk4592KS.exe

                                                                                                                                                Filesize

                                                                                                                                                2.4MB

                                                                                                                                                MD5

                                                                                                                                                0eb32fdbc6848121f719a83cf6714ff7

                                                                                                                                                SHA1

                                                                                                                                                20d1abca5f20fbf002bb1072e66156f1d79adf2d

                                                                                                                                                SHA256

                                                                                                                                                9caa6dbd37baaeae941ae38b66ccd65d74715a62433bcd15e036aa0437baa82f

                                                                                                                                                SHA512

                                                                                                                                                31cda597f2e388714ae905f7e1db68770c27110259ff9ed1fbf71ba9477aa98ff58aea757ac7d29a95d654737c031db8b43229ada3ff7e583efb54bee276e4c5

                                                                                                                                              • C:\Users\Admin\AppData\Roaming\4ksqk4592KS.exe

                                                                                                                                                Filesize

                                                                                                                                                2.4MB

                                                                                                                                                MD5

                                                                                                                                                0eb32fdbc6848121f719a83cf6714ff7

                                                                                                                                                SHA1

                                                                                                                                                20d1abca5f20fbf002bb1072e66156f1d79adf2d

                                                                                                                                                SHA256

                                                                                                                                                9caa6dbd37baaeae941ae38b66ccd65d74715a62433bcd15e036aa0437baa82f

                                                                                                                                                SHA512

                                                                                                                                                31cda597f2e388714ae905f7e1db68770c27110259ff9ed1fbf71ba9477aa98ff58aea757ac7d29a95d654737c031db8b43229ada3ff7e583efb54bee276e4c5

                                                                                                                                              • memory/2604-136-0x00007FFEAEE50000-0x00007FFEAF886000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                10.2MB

                                                                                                                                              • memory/4160-132-0x00007FFEAEE50000-0x00007FFEAF886000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                10.2MB

                                                                                                                                              • memory/4984-140-0x0000000000400000-0x000000000118C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                13.5MB

                                                                                                                                              • memory/4984-141-0x0000000000400000-0x000000000118C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                13.5MB

                                                                                                                                              • memory/4984-142-0x0000000000400000-0x000000000118C000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                13.5MB