Analysis

  • max time kernel
    7s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 12:38

General

  • Target

    1f02834d540f2b648be5161882fc07d7.dll

  • Size

    120KB

  • MD5

    1f02834d540f2b648be5161882fc07d7

  • SHA1

    5383fa46d5e1d6e2f09bb6b7d92db536f0edf1f0

  • SHA256

    33e4cbe1ad998cd53e67475da114980770f6d192e85900669367e0d4f64c23af

  • SHA512

    ec498f98c8ebebb82fd8ff939731a3d04295fdfc3131c8e25ac70acd7a25aa97ba62ec9ffd714d4379f2e7bcf445f3a83d56642da36c4b882822ccc162f97fae

  • SSDEEP

    1536:/JBfm+CHxc0cc2zRUb8/l08Yd8IV/7ETYEKsf7D6UF3yQeS7Okd6dQziErYeNiup:/+X6Ub8/l0cIVg0G7zZjR7O4eTkmC

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
  • Executes dropped EXE 4 IoCs
  • UPX packed file 30 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 1 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 2 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:772
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:332
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f02834d540f2b648be5161882fc07d7.dll,#1
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2568
          • C:\Users\Admin\AppData\Local\Temp\e574d45.exe
            C:\Users\Admin\AppData\Local\Temp\e574d45.exe
            2⤵
            • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:4960
          • C:\Users\Admin\AppData\Local\Temp\e574fa6.exe
            C:\Users\Admin\AppData\Local\Temp\e574fa6.exe
            2⤵
            • Executes dropped EXE
            PID:1984
          • C:\Users\Admin\AppData\Local\Temp\e57686e.exe
            C:\Users\Admin\AppData\Local\Temp\e57686e.exe
            2⤵
            • Executes dropped EXE
            PID:2092
          • C:\Users\Admin\AppData\Local\Temp\e57685f.exe
            C:\Users\Admin\AppData\Local\Temp\e57685f.exe
            2⤵
            • Executes dropped EXE
            PID:4044
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f02834d540f2b648be5161882fc07d7.dll,#1
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:3828
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:1132
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:3068
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:2352
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2500
                • 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:4084
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4220
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:4076
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3936
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3848
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3644
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3536
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:3032
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2744
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2600

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/1984-29-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1984-117-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1984-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1984-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1984-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2092-124-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2092-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2092-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2092-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2092-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2568-53-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2568-21-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2568-20-0x0000000004220000-0x0000000004221000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2568-13-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2568-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4044-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4044-125-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4044-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4044-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4044-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4960-71-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-28-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4960-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-56-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4960-57-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-59-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-62-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-33-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-31-0x0000000000590000-0x0000000000592000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4960-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-77-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-79-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-82-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-84-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-86-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-88-0x0000000000590000-0x0000000000592000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4960-89-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-91-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-93-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-95-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4960-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4960-7-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB