Analysis

  • max time kernel
    32s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 23:36

General

  • Target

    add4cb9a3703276234a7ed01856a3e27eca8d3020af799d4b4f5cf262cee9403N.dll

  • Size

    120KB

  • MD5

    0db980c729bbe020a9cba9b9be55b240

  • SHA1

    5234789f30ba143496d358bf8984b77553630679

  • SHA256

    add4cb9a3703276234a7ed01856a3e27eca8d3020af799d4b4f5cf262cee9403

  • SHA512

    e2d9220ca6bc171d280a3b6f398ee65299451a832e84edf29d48922ed9877d23e7bd7fefa492d4010d83cbd651423cd17491adb8f74d88d7b9fbf1c3cbe2746b

  • SSDEEP

    3072:fwksE/5ya0RBpWco/9yGreKRjrg1QFBNWDgYRRL7:fUaytu/9yGeKZg7fT

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 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 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:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2864
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3076
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3228
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\add4cb9a3703276234a7ed01856a3e27eca8d3020af799d4b4f5cf262cee9403N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1156
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\add4cb9a3703276234a7ed01856a3e27eca8d3020af799d4b4f5cf262cee9403N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1376
                      • C:\Users\Admin\AppData\Local\Temp\e5775fb.exe
                        C:\Users\Admin\AppData\Local\Temp\e5775fb.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:788
                      • C:\Users\Admin\AppData\Local\Temp\e5777c0.exe
                        C:\Users\Admin\AppData\Local\Temp\e5777c0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3740
                      • C:\Users\Admin\AppData\Local\Temp\e57a70d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a70d.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3340
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4052
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3752
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4164
                            • 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:652
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5024
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:5084

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5775fb.exe

                                    Filesize

                                    97KB

                                    MD5

                                    26373cbf0130eea449564bdfe321af16

                                    SHA1

                                    bc94cfdfed5dfdf826453842741fc4d8651bb694

                                    SHA256

                                    c27df0a9163b2c2457fbf42017a3c312c358c35a6661b4adcbc40688a0543672

                                    SHA512

                                    cdea2cc92540fa07957c8daacf2d3928537144b09fed166057dcd4f849e3e8df53e0ad70da86d340938e11f46a9ec4dd2b06c71d5828c7e7887343e7ae70860b

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    87b949447ac4db8810c60ce4d678dcd6

                                    SHA1

                                    7436ecb0e1127b2db0d1d708ce2198a0eea50f0f

                                    SHA256

                                    2fb4ea0fb571e9b51c3983c5a088ae3edc5fe5459b4dfd05f280eaee67ac525f

                                    SHA512

                                    70446d07b9fe14c62fa8a7fc5bf2a14c5f40dfe910e014d4bddaf2c78947054c2e21fc6875cc344ab66afc8cbc7ee89a50710f8887e48123b5b338410b7819a5

                                  • memory/788-38-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-61-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-9-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-11-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-10-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-12-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-19-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/788-35-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/788-32-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-26-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-34-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/788-20-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-29-0x0000000004230000-0x0000000004231000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/788-40-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-83-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/788-64-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-62-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-13-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-8-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-37-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-36-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-6-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-58-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-57-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-56-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-55-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-39-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/788-54-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1376-21-0x0000000004450000-0x0000000004452000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1376-22-0x0000000004450000-0x0000000004452000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1376-23-0x00000000049C0000-0x00000000049C1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1376-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1376-27-0x0000000004450000-0x0000000004452000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1376-45-0x0000000004450000-0x0000000004452000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3340-90-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3340-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3340-136-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3340-95-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3340-96-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3340-92-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3340-88-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3740-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3740-43-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3740-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3740-44-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3740-42-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                    Filesize

                                    4KB