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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 19:20

General

  • Target

    a1080f0f95cdf05e8bf231c7962f6b6703f2a3fae1069cd0c276a2a36261ce34.exe

  • Size

    188KB

  • MD5

    02de34e16838efc9fc4c6606877499eb

  • SHA1

    1202b3b242d61616ab23cab58acb39234750d821

  • SHA256

    a1080f0f95cdf05e8bf231c7962f6b6703f2a3fae1069cd0c276a2a36261ce34

  • SHA512

    a95ac889ee60564c6bd7367231610f763e6271cabe1d83d84b32f6cd121c0a1741c4ca617d29e193e1346bd8c5a9c6e0c08f5e9bfde8167b36195c37d9136461

  • SSDEEP

    3072:iE0QjAzXSjqPzBYNILDsi1C2a/7MCgQDsgBewLnVCju20v7etXmWuOVdhVsdMo3i:106AzXSjqBVtVUMo3V6K3XzSEBKdz

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 Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:312
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:3244
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4776
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3896
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:3544
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3412
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3348
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:760
                  • C:\Windows\Explorer.EXE
                    C:\Windows\Explorer.EXE
                    1⤵
                      PID:2432
                      • C:\Users\Admin\AppData\Local\Temp\a1080f0f95cdf05e8bf231c7962f6b6703f2a3fae1069cd0c276a2a36261ce34.exe
                        "C:\Users\Admin\AppData\Local\Temp\a1080f0f95cdf05e8bf231c7962f6b6703f2a3fae1069cd0c276a2a36261ce34.exe"
                        2⤵
                        • UAC bypass
                        • Windows security bypass
                        • Disables RegEdit via registry modification
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4876
                        • C:\Windows\SysWOW64\netsh.exe
                          netsh firewall set opmode disable
                          3⤵
                          • Modifies Windows Firewall
                          PID:1216
                          • C:\Windows\System32\Conhost.exe
                            \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                            4⤵
                              PID:2240
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2628
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2388
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2376
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:784
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:776

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/4876-132-0x0000000030000000-0x0000000030033000-memory.dmp

                                  Filesize

                                  204KB

                                • memory/4876-133-0x00000000022E0000-0x0000000003313000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4876-135-0x00000000022E0000-0x0000000003313000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4876-136-0x00000000022E0000-0x0000000003313000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4876-137-0x0000000030000000-0x0000000030033000-memory.dmp

                                  Filesize

                                  204KB

                                • memory/4876-138-0x0000000030000000-0x0000000030033000-memory.dmp

                                  Filesize

                                  204KB

                                • memory/4876-139-0x00000000022E0000-0x0000000003313000-memory.dmp

                                  Filesize

                                  16.2MB