Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:59

General

  • Target

    8e9dac39f6cc17832eacff0f03c420140ca8070ee1c4fc360d097c066e531e1d.exe

  • Size

    65KB

  • MD5

    a6afa6720311e3bd780c4d7172936dee

  • SHA1

    bedd38f753d178f476fe0b092196f2879e94aa8c

  • SHA256

    8e9dac39f6cc17832eacff0f03c420140ca8070ee1c4fc360d097c066e531e1d

  • SHA512

    2b61a121c0dc43bf31023c0c4e8eb39f6de784d685468dc09d09c286825cc3d1c67c4f66bed5a03b3c49fbc5e3ba881b840cfab05284fb4bd087aa603c018b42

  • SSDEEP

    1536:LlzO4nfCa8JNS7T8nbSuPCuGJY2CjCXjkxMgGPA2FWg3D7e:LlzXLms7T8nbSuPBhPsfgGI2FWg3Dy

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 25 IoCs
  • UPX dump on OEP (original entry point) 26 IoCs
  • UPX packed file 25 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 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 36 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:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2472
          • 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:792
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Users\Admin\AppData\Local\Temp\8e9dac39f6cc17832eacff0f03c420140ca8070ee1c4fc360d097c066e531e1d.exe
                    "C:\Users\Admin\AppData\Local\Temp\8e9dac39f6cc17832eacff0f03c420140ca8070ee1c4fc360d097c066e531e1d.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4860
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3396
                            • 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:392
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5088
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2256
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3700
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1436
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3064

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4860-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4860-1-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-3-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-4-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-9-0x0000000000600000-0x0000000000601000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4860-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-15-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-18-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-14-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-17-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4860-19-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-20-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-16-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4860-8-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4860-5-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-21-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-22-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-23-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-24-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-25-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-27-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-28-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-30-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-31-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-32-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-35-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-41-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-52-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4860-43-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4860-61-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB