Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 02:55

General

  • Target

    85100905c5332a272a4bcd4ffb1783d286a42f49aec675ab46e667955e3c5890N.exe

  • Size

    65KB

  • MD5

    5d1dc5ffec7fdb15deb4bc42eba31be0

  • SHA1

    b1adeb2d44e78aba450df7396b60cb30674d9e85

  • SHA256

    85100905c5332a272a4bcd4ffb1783d286a42f49aec675ab46e667955e3c5890

  • SHA512

    1449c3d7537689c738092b7a413b1fc343e054919f1d948ab65288ed6ccfd9a88240f699a21581343fab033abb1a921cad89a9ce0a76effb9a1b1257ad605b90

  • SSDEEP

    1536:xrL9bB+NXtQDd67bnr7BLaCbmzaou4qPnMtjdbt:xP3+N98Ybnr7dbgaoDqPajr

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2612
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2628
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2768
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Users\Admin\AppData\Local\Temp\85100905c5332a272a4bcd4ffb1783d286a42f49aec675ab46e667955e3c5890N.exe
                    "C:\Users\Admin\AppData\Local\Temp\85100905c5332a272a4bcd4ffb1783d286a42f49aec675ab46e667955e3c5890N.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
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2260
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • 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:3984
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3992
                            • 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:1432
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3168
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2724
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2136
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4248
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3936

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\fvwsee.exe

                                                Filesize

                                                97KB

                                                MD5

                                                ea09e1ee1bf717539c28be4bd9df5495

                                                SHA1

                                                ccda21139f1378e753ca43b89a05443449b17b11

                                                SHA256

                                                a7b8ab07b11fc1e9c61ef31214a283d3575b7a81d2de5607f470568ffaee5bfd

                                                SHA512

                                                eeb843e30d0dd02f67448277d864a0b4e27574d0ef58ab009e14519641185c48ce56d45a1f7767263a5dcbbc803033db3e279df03f1503b54ffb2f35bb2b5f3d

                                              • memory/2260-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-6-0x0000000003D40000-0x0000000003D42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2260-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-10-0x0000000003D40000-0x0000000003D42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2260-16-0x0000000003D40000-0x0000000003D42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2260-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-15-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2260-20-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-27-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-7-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2260-37-0x0000000003D40000-0x0000000003D42000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2260-54-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-40-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-44-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-46-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-49-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-50-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-55-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-63-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-64-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-66-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-67-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-69-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-71-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-72-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-74-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-85-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/2260-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB