Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 09:22

General

  • Target
    ab8d2773f9d2da28831852dc326d2520.exe
  • Size 167KB
  • Sample240228-lcd7ssgb69
  • SHA256 e793eb150901472e73c8ffedf7ac402df4a9d10b6d6cac0d1612b2924a14f0c1
  • 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

Signatures

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • UPX packed file 11 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 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\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:800
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:3624
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3800
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:3464
                • C:\Users\Admin\AppData\Local\Temp\ab8d2773f9d2da28831852dc326d2520.exe
                  "C:\Users\Admin\AppData\Local\Temp\ab8d2773f9d2da28831852dc326d2520.exe"
                  2⤵
                  • UAC bypass
                  • Checks whether UAC is enabled
                  • 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:2768
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4020
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                  1⤵
                    PID:2744
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                    1⤵
                      PID:5076
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                      1⤵
                        PID:5024
                      • 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:1772
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4212
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3912
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              1⤵
                                PID:2996
                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                1⤵
                                  PID:3924
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2972
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2632
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2612
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:1928
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3420
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:864
                                            • C:\Windows\System32\wuapihost.exe
                                              C:\Windows\System32\wuapihost.exe -Embedding
                                              1⤵
                                                PID:3940

                                              Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    memory/2768-0-0x0000000001000000-0x0000000001025000-memory.dmp

                                                    memory/2768-1-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-3-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-4-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-7-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

                                                    memory/2768-9-0x0000000003630000-0x0000000003632000-memory.dmp

                                                    memory/2768-6-0x0000000003630000-0x0000000003632000-memory.dmp

                                                    memory/2768-14-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-15-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-22-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-23-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-49-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-62-0x0000000003630000-0x0000000003632000-memory.dmp

                                                    memory/2768-63-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-65-0x0000000002440000-0x0000000003470000-memory.dmp

                                                    memory/2768-72-0x0000000002440000-0x0000000003470000-memory.dmp