Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 12:43

General

  • Target
    089313a2d3ba3941a00261f1b545dccc_JaffaCakes118.exe
  • Size 110KB
  • Sample240624-pyachssepb
  • SHA256 8646ea222228676662e7a949afb04a1914fdb222a4c238b548055d11b5d52600
  • MD5 SHA1 SHA512 SSDEEP

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 3 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 40 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 12 IoCs
  • Drops file in Windows directory 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3004
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3016
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3460
                  • C:\Users\Admin\AppData\Local\Temp\089313a2d3ba3941a00261f1b545dccc_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\089313a2d3ba3941a00261f1b545dccc_JaffaCakes118.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:1968
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3604
                            • 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:2240
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1776
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:860
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:60
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3132
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:216

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              wnvdo.pif

                                              • Path F:\wnvdo.pif
                                              • Size 100KB
                                              • SHA256 347a8bbecccf47a91873b4c0bf2e057298464b2f1f42010b2501f63b22942dce
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/1968-24-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-16-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-7-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-12-0x00000000021A0000-0x00000000021A2000-memory.dmp

                                              memory/1968-11-0x00000000021A0000-0x00000000021A2000-memory.dmp

                                              memory/1968-4-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-3-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-10-0x0000000002240000-0x0000000002241000-memory.dmp

                                              memory/1968-9-0x00000000021A0000-0x00000000021A2000-memory.dmp

                                              memory/1968-1-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-5-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-13-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-14-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-15-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-17-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-28-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-18-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-19-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-20-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-22-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-23-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-0-0x0000000000400000-0x000000000041D000-memory.dmp

                                              memory/1968-6-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-26-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-63-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-30-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-33-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-35-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-38-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-40-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-43-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-45-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-51-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-52-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-54-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-56-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-58-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-61-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-29-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-65-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-67-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-66-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-69-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-70-0x0000000002360000-0x00000000033EE000-memory.dmp

                                              memory/1968-71-0x00000000021A0000-0x00000000021A2000-memory.dmp

                                              memory/1968-8-0x0000000002360000-0x00000000033EE000-memory.dmp