Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 03:55

General

  • Target

    NEAS.22be58c51040677c9a98fbfd6cd9f840.exe

  • Size

    65KB

  • MD5

    22be58c51040677c9a98fbfd6cd9f840

  • SHA1

    35f8368c052f5d96e0b16e7b82772971136c0e0b

  • SHA256

    f7749d520bf40c8b62b336d2d552c7b7c869d9f0f187f1ac44410d3d648da2d8

  • SHA512

    5c326a6367cff1989ea8430933d68f5598c5505c115d6234c9d77c46150e34629a7ad8b6a1caf22600eda4910c48a5383d8686149dae35ac89067ec252a93d41

  • SSDEEP

    1536:lP78jQNgNNg0fjNu4AY4eyFgIpYVyT2LPos:lPjgngUkSYjT2cs

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 23 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 7 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 41 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3840
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:60
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:1812
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:3536
                • 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:2876
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4428
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3468
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3780
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3688
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3436
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3288
                                  • C:\Users\Admin\AppData\Local\Temp\NEAS.22be58c51040677c9a98fbfd6cd9f840.exe
                                    "C:\Users\Admin\AppData\Local\Temp\NEAS.22be58c51040677c9a98fbfd6cd9f840.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:856
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2848
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2808
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2692
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4424
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2032
                                          • C:\Windows\system32\DllHost.exe
                                            C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                            1⤵
                                              PID:4444
                                            • C:\Windows\system32\rundll32.exe
                                              "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                                              1⤵
                                                PID:1564
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                                                1⤵
                                                  PID:892

                                                Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

                                                      • memory/856-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/856-1-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-3-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-4-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-6-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/856-7-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/856-5-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-9-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/856-10-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-11-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-12-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-13-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-14-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-15-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-21-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-22-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-23-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-24-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-25-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-27-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-28-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-29-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-31-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-34-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-36-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-39-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-53-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/856-42-0x00000000008D0000-0x000000000198A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/856-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/892-59-0x000001E337260000-0x000001E337270000-memory.dmp

                                                        Filesize

                                                        64KB