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Analysis

  • max time kernel
    125s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 10:52

General

  • Target

    18a7966bf3400840e472e4fee0deceb5.exe

  • Size

    100KB

  • MD5

    18a7966bf3400840e472e4fee0deceb5

  • SHA1

    fb46665af06b7fbf1272f14f1781a2a94f9e5cd7

  • SHA256

    26f1e243b599ff22adffb68f4896e2b4b2cd2d3cee8b57930a535abedd500354

  • SHA512

    1dc64ab2933b2c3669c82af41ae8efdc78576ee6b24abcfad024181d86646a23652d424932febec5cb6752248a92b9cbe5a4103d7745307b1ea966bf80d1b3c0

  • SSDEEP

    3072:qd7C6T8a5LW6PHDKQCyJIRunRlzdKCv/k4:q1CO3DPmDyZlR1/

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 38 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 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.

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

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

  • 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:804
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:376
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3684
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4092
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4064
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:4408
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:4956
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                  1⤵
                    PID:1104
                  • 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:1768
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:2240
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3136
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:4016
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3872
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3556
                                • C:\Users\Admin\AppData\Local\Temp\18a7966bf3400840e472e4fee0deceb5.exe
                                  "C:\Users\Admin\AppData\Local\Temp\18a7966bf3400840e472e4fee0deceb5.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
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:3468
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2836
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2692
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2680
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:812
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4476
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3204
                                          • C:\Windows\System32\wuapihost.exe
                                            C:\Windows\System32\wuapihost.exe -Embedding
                                            1⤵
                                              PID:4344
                                            • C:\Windows\system32\DllHost.exe
                                              C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                              1⤵
                                                PID:2992
                                              • C:\Windows\system32\BackgroundTransferHost.exe
                                                "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                                1⤵
                                                  PID:4728
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                  1⤵
                                                    PID:4920
                                                  • C:\Windows\system32\backgroundTaskHost.exe
                                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                    1⤵
                                                      PID:2992

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\qauq.pif

                                                      Filesize

                                                      100KB

                                                      MD5

                                                      9e14956e0690501bd8cf2ef5f5fe2a40

                                                      SHA1

                                                      a47dd2039cc1b50836a7523171f468aaefa26405

                                                      SHA256

                                                      0b76fc946f22ceb98981e7318fc5b79396717f273b05e1f401629f958e13f28e

                                                      SHA512

                                                      121a7da81741c68c8dd03fad60a593bbf29279de244d08a4bf2bd8f0b3d28b5a28b8b160d93a452e090572b060a637f67d3445e9559e61e4055474c19f956ebb

                                                    • memory/3468-25-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-3-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-5-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3468-6-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3468-7-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3468-9-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3468-8-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-4-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-10-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-11-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-12-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-13-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-14-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-15-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-16-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-17-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-18-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-19-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-21-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-22-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-26-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-23-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                                      Filesize

                                                      76KB

                                                    • memory/3468-28-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-30-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-33-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-35-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-37-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-39-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-41-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-43-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-45-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-47-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-49-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/3468-50-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-52-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-53-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-54-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-61-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-63-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-65-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-67-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-68-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/3468-1-0x0000000002180000-0x000000000320E000-memory.dmp

                                                      Filesize

                                                      16.6MB