Analysis

  • max time kernel
    140s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 04:40

General

  • Target

    a9c1021436ddfea2479a0fcf46605ac5e6027c3cab431d36f4390a4cb5fee33c.exe

  • Size

    65KB

  • MD5

    11966d99bfb3f1a87bd722b2e3854720

  • SHA1

    9f321ffab3b6af016ad5cfa11df731371149cbec

  • SHA256

    a9c1021436ddfea2479a0fcf46605ac5e6027c3cab431d36f4390a4cb5fee33c

  • SHA512

    49284a9d3c86c3297c65f31398a0fc330e40ab3ebbf28af4808b010889b96060a634fef28f64464e9d78af20fc277567f56cbfb2becbc4cc44729f2bc711646d

  • SSDEEP

    1536:tUPuaKxm8Us9MIhU6Hm1mgPqK14OYkb12nlo7GJzoqCOIYCj5g:4fs9MCJSmamg0lbJzdIY/

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 26 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 10 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2760
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2856
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3068
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Users\Admin\AppData\Local\Temp\a9c1021436ddfea2479a0fcf46605ac5e6027c3cab431d36f4390a4cb5fee33c.exe
                    "C:\Users\Admin\AppData\Local\Temp\a9c1021436ddfea2479a0fcf46605ac5e6027c3cab431d36f4390a4cb5fee33c.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 Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1380
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3532
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3876
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3964
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2364
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4332
                              • 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:4920
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1900
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2544
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:5036
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2036
                                        • C:\Windows\system32\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                          1⤵
                                            PID:896

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/1380-0-0x0000000000400000-0x0000000000412000-memory.dmp
                                            Filesize

                                            72KB

                                          • memory/1380-6-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-7-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-16-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-17-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-19-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-20-0x0000000001C80000-0x0000000001C82000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/1380-18-0x0000000001C80000-0x0000000001C82000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/1380-10-0x0000000001C90000-0x0000000001C91000-memory.dmp
                                            Filesize

                                            4KB

                                          • memory/1380-9-0x0000000001C80000-0x0000000001C82000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/1380-8-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-5-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-4-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-3-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-21-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-22-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-23-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-24-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-25-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-26-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-28-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-29-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-30-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-31-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-34-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-35-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-37-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-39-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-42-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-44-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB

                                          • memory/1380-64-0x0000000000400000-0x0000000000412000-memory.dmp
                                            Filesize

                                            72KB

                                          • memory/1380-54-0x0000000001C80000-0x0000000001C82000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/1380-51-0x00000000007F0000-0x00000000018AA000-memory.dmp
                                            Filesize

                                            16.7MB