Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 11:52

General

  • Target

    58601a4c4ec15a9c4f7173c07185940e2227c25d7538487d48db8d76493986ab.exe

  • Size

    216KB

  • MD5

    8282bfc8d684289e897628103926bb26

  • SHA1

    1d56d54b7ab7adc6a0ec7ff9b4b0c8756c687fe6

  • SHA256

    58601a4c4ec15a9c4f7173c07185940e2227c25d7538487d48db8d76493986ab

  • SHA512

    1fe35d3037052481b81dd8e4c4f661626462755926d5908df46bf9d5f2626ad01883ea080273380fb40a7f1fd61cecf8d302e1cd738d920f97ae1108afc9e061

  • SSDEEP

    3072:ouToNaEMhIsan6v1/t7/b6fmpvwOgNP3e1w5MryY8XK3Yce:wyon6jbwNPu1wBb

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 3 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
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2296
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2328
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2468
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3220
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3392
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3488
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3328
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                    1⤵
                      PID:800
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3644
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:1672
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3008
                            • C:\Users\Admin\AppData\Local\Temp\58601a4c4ec15a9c4f7173c07185940e2227c25d7538487d48db8d76493986ab.exe
                              "C:\Users\Admin\AppData\Local\Temp\58601a4c4ec15a9c4f7173c07185940e2227c25d7538487d48db8d76493986ab.exe"
                              2⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • Enumerates connected drives
                              • Drops autorun.inf file
                              • 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:4772
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:992
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:760

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/4772-132-0x0000000000400000-0x0000000000439000-memory.dmp

                                      Filesize

                                      228KB

                                    • memory/4772-133-0x00000000023D0000-0x000000000345E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4772-134-0x00000000023D0000-0x000000000345E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4772-135-0x00000000023D0000-0x000000000345E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4772-136-0x0000000000400000-0x0000000000439000-memory.dmp

                                      Filesize

                                      228KB