Analysis

  • max time kernel
    33s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 22:44

General

  • Target

    c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll

  • Size

    120KB

  • MD5

    523cdf00d35370601ace07124bcc1b30

  • SHA1

    9f2561b12a5e20e4c357eb886e072c54b912e995

  • SHA256

    c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfba

  • SHA512

    c00b33a70a43e23edcd171060c2d7af9e23b4aef5036fd722c0c6e92f2af3f7bf3b2d2d0616ea43f7a8a4e8ed5c15505215f8b2f77961efd6a64823649399b21

  • SSDEEP

    3072:pGNRBY4fRCrIXNeImmWxRgf+ebME8S8rBZqaS:IXa45wE+HE8S8rBZf

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 10 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2816
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:668
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3144
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:548
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c66ce9fa938ca7567430f862433bd6141940b9d3c860d86a296bb85d9f51cfbaN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3944
                      • C:\Users\Admin\AppData\Local\Temp\e578c52.exe
                        C:\Users\Admin\AppData\Local\Temp\e578c52.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:4696
                      • C:\Users\Admin\AppData\Local\Temp\e578d9a.exe
                        C:\Users\Admin\AppData\Local\Temp\e578d9a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2292
                      • C:\Users\Admin\AppData\Local\Temp\e57c062.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c062.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:2220
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3836
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3904
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4156
                            • 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:2428
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3248
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4508
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:232

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e578c52.exe

                                      Filesize

                                      97KB

                                      MD5

                                      13a9c599943ad7bb135de843dcffc812

                                      SHA1

                                      bf56782f866ab455a52ac3f7768f8291c0f588c4

                                      SHA256

                                      78012fe934b7c76515b6eab1867941c794a670375f5500b822735da6a30de12d

                                      SHA512

                                      64b86b62f6d748e4f23e8cdece49b221a9b112dae1064fd93b98aa66522fcbe7c2346e4380eb5751312b8c45270eeb59c0cf3c0ba546c8945aa403d8083dbfce

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      31247258084b9c561df9b82b753e3283

                                      SHA1

                                      fdc0e865c45e01712cb08a2dbc8a7a811fc35718

                                      SHA256

                                      91939139e7c7892387ebd824055a4bf7d32ce8e407d45aad572dca13be2a7ff8

                                      SHA512

                                      74d2d9568c58532bbab7768f6a1d1e675437170be6f296bcdd2d1d820ccd554d61b67f5a264189831667150cfc24aa50dcba97d579c983b0ac345275349ad891

                                    • memory/2220-89-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2220-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2220-141-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2220-91-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2220-92-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2220-93-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2220-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2220-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2292-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2292-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2292-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3944-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3944-28-0x0000000001320000-0x0000000001322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3944-19-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3944-18-0x0000000001320000-0x0000000001322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3944-22-0x0000000001320000-0x0000000001322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4696-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-42-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-27-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4696-21-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4696-54-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-55-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4696-56-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-58-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-59-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-63-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-24-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-66-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-83-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4696-29-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4696-32-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-34-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-26-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-7-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4696-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB