Analysis

  • max time kernel
    131s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2024, 19:39

General

  • Target
    7cd8df72bae75a4844426b0376984fa2d10f6b79cae532e43cacb5dd59f860aa.exe
  • Size 2.7MB
  • Sample240301-ydbvaacc5w
  • SHA256 7cd8df72bae75a4844426b0376984fa2d10f6b79cae532e43cacb5dd59f860aa
  • 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

  • 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 19 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 Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2768
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2844
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2896
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3364
                  • C:\Users\Admin\AppData\Local\Temp\7cd8df72bae75a4844426b0376984fa2d10f6b79cae532e43cacb5dd59f860aa.exe
                    "C:\Users\Admin\AppData\Local\Temp\7cd8df72bae75a4844426b0376984fa2d10f6b79cae532e43cacb5dd59f860aa.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 Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3316
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3520
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3728
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3820
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4100
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2204
                              • 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:4660
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1444
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                    1⤵
                                      PID:5024
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:756
                                      • C:\Windows\System32\wuapihost.exe
                                        C:\Windows\System32\wuapihost.exe -Embedding
                                        1⤵
                                          PID:972
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2488
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:1232

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  viewrr.pif

                                                  • Path C:\viewrr.pif
                                                  • Size 97KB
                                                  • SHA256 12863aa82fe393bef7afd45eb2527f43bd432be36961b458dafdd560d67ef466
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  memory/3316-31-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-42-0x0000000000400000-0x0000000000777000-memory.dmp

                                                  memory/3316-34-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-8-0x0000000006530000-0x0000000006531000-memory.dmp

                                                  memory/3316-5-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-9-0x0000000004990000-0x0000000004992000-memory.dmp

                                                  memory/3316-10-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-11-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-12-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-13-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-19-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-20-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-21-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-22-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-24-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-25-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-26-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-29-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-30-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-0-0x0000000000400000-0x0000000000777000-memory.dmp

                                                  memory/3316-4-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-33-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-6-0x0000000004990000-0x0000000004992000-memory.dmp

                                                  memory/3316-35-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-44-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-49-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-51-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-2-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-60-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-62-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-63-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-67-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-72-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-73-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-74-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-76-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-78-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-81-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-84-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-85-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-95-0x00000000026E0000-0x000000000379A000-memory.dmp

                                                  memory/3316-96-0x0000000004990000-0x0000000004992000-memory.dmp