Analysis

  • max time kernel
    31s
  • 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 23:06

General

  • Target

    a9918aef775c477acdbb0a9ec35c1fcd843feeec97d8ea74b67d771ab46395a2N.dll

  • Size

    120KB

  • MD5

    45ed632c5a5bd3d21c796625496b8ad0

  • SHA1

    a38d1a725cd53bc232d6229ca5c6648ffde3d0c0

  • SHA256

    a9918aef775c477acdbb0a9ec35c1fcd843feeec97d8ea74b67d771ab46395a2

  • SHA512

    0f0aac942eea42bbb985a740986071d78e5bfbdefdd1733f83fb98da5eb7a83776d097c72e11569159b849020632572054b23870b2aa7f2df63faf30dce207f2

  • SSDEEP

    3072:2xMmFcHmvcN6OzxwU0SlXsAPwUGwa7BHoMU9:wJF2cCwU05awaaZjU9

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 14 IoCs

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

  • UPX packed file 31 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2776
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3536
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9918aef775c477acdbb0a9ec35c1fcd843feeec97d8ea74b67d771ab46395a2N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3164
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9918aef775c477acdbb0a9ec35c1fcd843feeec97d8ea74b67d771ab46395a2N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4764
                      • C:\Users\Admin\AppData\Local\Temp\e57ba28.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ba28.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 Program Files directory
                        • 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:1980
                      • C:\Users\Admin\AppData\Local\Temp\e57bb8f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb8f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2272
                      • C:\Users\Admin\AppData\Local\Temp\e57e678.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e678.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:2028
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • 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:4124
                            • 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:3836
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3200
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3712
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3476

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57ba28.exe

                                      Filesize

                                      97KB

                                      MD5

                                      a68b9133d308e45d9bb4aef54ccfb367

                                      SHA1

                                      1d59117c49d0a2a76ef2ef4f6765908b814a80ca

                                      SHA256

                                      9e8a916a40552853bd8505a4b264ece3d078cde99027342c2ffa222355ecf017

                                      SHA512

                                      6f9ecc487b89d94417def4209307d5616312d58da14dda633cbecf9f73044e771650377e4b710078671cfe21945773ebdb5370c0c1f93f40ac5ee0dae1cb5f36

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      a9dae71e40d48534fce31af1a24377ce

                                      SHA1

                                      00c7c3d4feb27719c23d49b10764dd7dfeb60aff

                                      SHA256

                                      281c3e638a415ad59be4771effc60f83a76e23b45b102e59e2eb42d05c0ba2c8

                                      SHA512

                                      340016a13c37a2f335ab1cc47e70db937a2b1a22ffdc8acff029c9201689782c44c0f1e766a7aef78efd23ff5d870cfab18d4c94eb1701256a1c1f9d853e07cb

                                    • memory/1980-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-76-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-22-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1980-31-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-23-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1980-29-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1980-27-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-26-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1980-78-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-16-0x00000000005C0000-0x00000000005C1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1980-77-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-34-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-70-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-42-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-68-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-64-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-63-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-47-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-61-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-60-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1980-53-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1980-59-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2028-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2028-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2028-123-0x0000000001B10000-0x0000000001B11000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2028-136-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2028-134-0x0000000000790000-0x000000000184A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2028-122-0x0000000001B00000-0x0000000001B02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2028-113-0x0000000000790000-0x000000000184A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2028-158-0x0000000000790000-0x000000000184A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2272-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2272-101-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2272-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2272-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2272-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4764-13-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4764-30-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4764-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4764-24-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4764-55-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4764-14-0x0000000000B90000-0x0000000000B91000-memory.dmp

                                      Filesize

                                      4KB