Analysis

  • max time kernel
    97s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 21:43

General

  • Target

    43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll

  • Size

    120KB

  • MD5

    2856c5e1ab8437293308367e4b884800

  • SHA1

    c011369b62d390acb59ac7fb1d08711b6d33e853

  • SHA256

    43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef

  • SHA512

    a3ac512a237fc4496451a53e979396121a9fdc61ad736410f25f9c456b7d8b5dead22f98dadaa6e7c3c7377bb72760d7656613010c9ac20afd8f2b2320d4023b

  • SSDEEP

    3072:GvFsoe/Xi7DkK2ZJaV+DBYOczGQJFjvKMPg/Ir:Gdsoe/icJxBY3hJZy+vr

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 14 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:780
    • 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:2548
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2668
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2444
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1820
                      • C:\Users\Admin\AppData\Local\Temp\e57aae6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aae6.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:2084
                      • C:\Users\Admin\AppData\Local\Temp\e57ad28.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ad28.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2500
                      • C:\Users\Admin\AppData\Local\Temp\e57db8b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57db8b.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:1688
                      • C:\Users\Admin\AppData\Local\Temp\e57db9b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57db9b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1712
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4032
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1312
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3920
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4392
                              • 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:672
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3388
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3556

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57aae6.exe

                                      Filesize

                                      97KB

                                      MD5

                                      80b0d26afe33aaf26334d6b557ad5c6d

                                      SHA1

                                      7dc12b0586c7b8ba95aa24aec520034401d9b05f

                                      SHA256

                                      f063a2749b976bc0aa04d1abc53a1cf3fc4c1397aa76257f26f32e3d25fb7efc

                                      SHA512

                                      dbd98bb6fe174445ab3db0a280e12a094b4b2594acbd2bcd6b2333ff694d589b2ef6088e7a193a8e298b0ae35cb9506568f5547a5497df83b06f490075326349

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      122b81c80f4c3d13e584c1b06c57086e

                                      SHA1

                                      5620e25a31bf3f87bf9ef21084f6e1b2bfdfaf22

                                      SHA256

                                      0316ec71dae44baaa3f6e45d4ef5ab47b0061beca5205e3eda013774f7835f65

                                      SHA512

                                      85acfa3bc02f2cdfdd240c2689eb3f54a5ec1bba2856969a1f153402027854595494805518ca4fdb5c3dcf2cbf003e526a7db5c103509894fb3e2dadb1f49cf2

                                    • memory/1688-163-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1688-162-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1688-114-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1712-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1820-28-0x0000000000AD0000-0x0000000000AD2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1820-47-0x0000000000AD0000-0x0000000000AD2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1820-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1820-21-0x0000000000AD0000-0x0000000000AD2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1820-22-0x0000000003880000-0x0000000003881000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1820-25-0x0000000000AD0000-0x0000000000AD2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2084-38-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-45-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2084-24-0x0000000001B80000-0x0000000001B81000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2084-27-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2084-18-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-19-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-20-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-33-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-36-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-35-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-37-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-8-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-39-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-6-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-9-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-11-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-29-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2084-48-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2084-10-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-60-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-62-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-63-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-64-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-71-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-72-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-75-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-77-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-80-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2084-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2084-12-0x0000000000840000-0x00000000018FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2500-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2500-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2500-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2500-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2500-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB