Analysis

  • max time kernel
    32s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 12:29

General

  • Target

    33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll

  • Size

    120KB

  • MD5

    5b9d74025bfba7483544b9eefead7d70

  • SHA1

    f95be7e474d4e0515733ebf00e27b839699c793d

  • SHA256

    33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810

  • SHA512

    6dc27820b15c525253481ab3090fb08d7c83cf8ba1c2ae070213663d2c4fba23817d3ec71c049d6837c7701947815c90f7438a8bc416c55aafac3dd8bfb3c4ca

  • SSDEEP

    1536:fNJL/pVO3EzquguUeIfvpBTIw+VdHnyDe0mP5SodVv5O8ReCiJ1smMZOrvm7oxFg:F7s3BHuuvzYVrP5S0kf1smMZq+UaeO

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 27 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 5 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:804
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2892
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3000
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2968
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a86b709a20c41c563b36ac253672c4c2465d90f28538453bb8a1fb3aa38810N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3360
                      • C:\Users\Admin\AppData\Local\Temp\e57bdb2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bdb2.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:4748
                      • C:\Users\Admin\AppData\Local\Temp\e57c043.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c043.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3648
                      • C:\Users\Admin\AppData\Local\Temp\e57eca2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57eca2.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:744
                      • C:\Users\Admin\AppData\Local\Temp\e57ecb2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ecb2.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4108
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3520
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3712
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3800
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3864
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3956
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3652
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:388
                              • 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:3828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2012
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3884
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3816
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1536
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3908
                                          • C:\Windows\system32\BackgroundTransferHost.exe
                                            "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                            1⤵
                                              PID:2276

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e57bdb2.exe

                                              Filesize

                                              97KB

                                              MD5

                                              abccd0e729863d4e8b853e31828a25d2

                                              SHA1

                                              6a084bbffec2861a6fa653be1be23375d10cf372

                                              SHA256

                                              4d59362f5b2e6a4e757286d66b3171dc6a3eabcdaf3d43cf63a6aa87add2fccb

                                              SHA512

                                              7c71a7b76dc7ae0cdfc6afac544c15284387ecd27ea1f8f9ce7978dbe566ec42bd08f65ad56512a3c993511ac5d6e01632087a4a32602bfc9d2ae0d8a9a661c8

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              be00b1e4df5a9fbc27605a5da4957f00

                                              SHA1

                                              fa778b2b4899cee4fc2cd7cfbc9637e5f54f426c

                                              SHA256

                                              680fbd6e529ff2824de06ff7f3bc03b5c48e0aa7742beacaf65e7ec9cfdee7ba

                                              SHA512

                                              7f7cf4cb48b6e09fdb47aab0e740b6464f35868aa691153d00e2a02f417db4a98c8a9582c142fe316271d1bc3e6e635f2a7c8c74750e9d79fd00b3f54c69ab22

                                            • memory/744-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/744-155-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/744-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/744-97-0x00000000007D0000-0x000000000188A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3360-56-0x0000000000F10000-0x0000000000F12000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3360-26-0x0000000000F10000-0x0000000000F12000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3360-31-0x0000000000F10000-0x0000000000F12000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3360-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3360-23-0x00000000040B0000-0x00000000040B1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3360-22-0x0000000000F10000-0x0000000000F12000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3648-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3648-43-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3648-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3648-42-0x0000000000570000-0x0000000000571000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3648-44-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4108-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4748-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-25-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4748-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-40-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-30-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4748-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-32-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4748-20-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-61-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4748-62-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-63-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-66-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-68-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-70-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-71-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-75-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4748-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4748-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB