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Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2023, 18:26

General

  • Target

    615e0963032c8a9f60e22125bac59199d4f239303d49821c8bcd0233fa315078.exe

  • Size

    3.6MB

  • MD5

    b25464fd6ff51740a901ce321efa14cd

  • SHA1

    7f2252ae90a3332700f0c4f3071ffd5aab365bcc

  • SHA256

    615e0963032c8a9f60e22125bac59199d4f239303d49821c8bcd0233fa315078

  • SHA512

    785626da931007bc74ade1921fd36ad8cab7e6199497808888763e3a8f87c37613c1e5b1af21f1c795b3cac4a3abad6754d908be20f67ea14a43dcb2a32f5053

  • SSDEEP

    98304:DtHautEXQtFfXLYyU3M0+4Gdpm+hln4CqLqopxpygsO:DBaObV+M0+4Gjzhu1Pygz

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

  • 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 16 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:392
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2388
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2400
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2508
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:3204
              • C:\Users\Admin\AppData\Local\Temp\615e0963032c8a9f60e22125bac59199d4f239303d49821c8bcd0233fa315078.exe
                "C:\Users\Admin\AppData\Local\Temp\615e0963032c8a9f60e22125bac59199d4f239303d49821c8bcd0233fa315078.exe"
                2⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Windows security modification
                • Enumerates connected drives
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2760
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
              1⤵
                PID:3332
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3560
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3844
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3932
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3348
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3772
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4888
                          • C:\Windows\system32\fontdrvhost.exe
                            "fontdrvhost.exe"
                            1⤵
                              PID:804
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:800
                              • 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:2072

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/2760-133-0x0000000000400000-0x00000000007E7000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/2760-135-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-140-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-141-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-143-0x0000000002660000-0x0000000002662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-144-0x0000000003D00000-0x0000000003D01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2760-142-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-145-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-147-0x0000000002660000-0x0000000002662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-146-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-149-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-150-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-155-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-157-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-159-0x0000000000400000-0x00000000007E7000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/2760-160-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-161-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-162-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-164-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-165-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-166-0x0000000002780000-0x000000000383A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2760-177-0x0000000002660000-0x0000000002662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-184-0x0000000000400000-0x00000000007E7000-memory.dmp

                                  Filesize

                                  3.9MB