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Analysis

  • max time kernel
    205s
  • max time network
    215s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 02:26

General

  • Target

    0b9f199a9c215c6e3a9c44ad7839cc8d.exe

  • Size

    381KB

  • MD5

    0b9f199a9c215c6e3a9c44ad7839cc8d

  • SHA1

    a4f427e217048484f793b9bd2da72e005c602c76

  • SHA256

    57ca6e9274725eb3a67a890366a2d94b9c660302be05961e12fa25dd1302fc63

  • SHA512

    55614f51a660953106454c7e55ae51beafe0c333a9294965ac4bc390ccd3454ead94f3f9beecad7bd9810ddae4a153f10ddc061b97b3bd460ef8ff5b2ec9ceae

  • SSDEEP

    6144:0ZKlg1Vlhw/aAa1Zg30ZTNWSG6/7aDqWCn54YqcDe/5pXsGKLu8NKuPNcRSZ:020VlhganzrWSG6zzWC5kcDextmxKsNj

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:416
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:820
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:812
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2456
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:3516
              • C:\Users\Admin\AppData\Local\Temp\0b9f199a9c215c6e3a9c44ad7839cc8d.exe
                "C:\Users\Admin\AppData\Local\Temp\0b9f199a9c215c6e3a9c44ad7839cc8d.exe"
                2⤵
                • UAC bypass
                • Windows security bypass
                • Disables RegEdit via registry modification
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2176
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall set opmode disable
                  3⤵
                  • Modifies Windows Firewall
                  PID:4080
                  • C:\Windows\System32\Conhost.exe
                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                    4⤵
                      PID:4280
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4072
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3960
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    1⤵
                      PID:4028
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                      1⤵
                        PID:4720
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                        1⤵
                          PID:3196
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4816
                          • 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:4548
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3900
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:3348
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  1⤵
                                    PID:3840
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                    1⤵
                                      PID:3640
                                    • C:\Windows\system32\taskhostw.exe
                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                      1⤵
                                        PID:2856
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                        1⤵
                                          PID:2520
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1776
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:724

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\0E58848D_Rar\0b9f199a9c215c6e3a9c44ad7839cc8d.exe

                                              Filesize

                                              309KB

                                              MD5

                                              a8bf5f6592a9d5bfd9b8745a8a6f9628

                                              SHA1

                                              3051829c67726be090ae86183e14bf0b1f756c16

                                              SHA256

                                              03eb924c5bba7c06da505cbae7e1e62756837030e4c5fecb15c6b1c95a9ceb70

                                              SHA512

                                              84bbf310f71888f8c0a7361afe6ba8d92f341708b8aae547381e590f12b7ab4367e110df40e83fdfea769a7702f1cfdb26e9425786119c74239650ebd7cc5585

                                            • memory/2176-15-0x0000000004FB0000-0x0000000004FB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2176-1-0x0000000002350000-0x0000000003383000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/2176-8-0x0000000002350000-0x0000000003383000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/2176-9-0x0000000002350000-0x0000000003383000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/2176-0-0x0000000000400000-0x0000000000462000-memory.dmp

                                              Filesize

                                              392KB

                                            • memory/2176-17-0x0000000004FB0000-0x0000000004FB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2176-16-0x0000000005000000-0x0000000005001000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2176-23-0x0000000004FB0000-0x0000000004FB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2176-22-0x0000000002350000-0x0000000003383000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/2176-35-0x0000000000400000-0x0000000000462000-memory.dmp

                                              Filesize

                                              392KB

                                            • memory/4080-19-0x0000000003040000-0x0000000003041000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4080-34-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4080-37-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

                                              Filesize

                                              8KB