Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 21:47

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 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 34 IoCs

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

  • Drops file in Program Files directory 4 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2904
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2924
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2752
                    • 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:4512
                      • C:\Users\Admin\AppData\Local\Temp\e578ee2.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ee2.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:2508
                      • C:\Users\Admin\AppData\Local\Temp\e5790a7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5790a7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3720
                      • C:\Users\Admin\AppData\Local\Temp\e57aa59.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa59.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:4136
                • 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:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2304
                            • 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:3572
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4412

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578ee2.exe

                                    Filesize

                                    97KB

                                    MD5

                                    80b0d26afe33aaf26334d6b557ad5c6d

                                    SHA1

                                    7dc12b0586c7b8ba95aa24aec520034401d9b05f

                                    SHA256

                                    f063a2749b976bc0aa04d1abc53a1cf3fc4c1397aa76257f26f32e3d25fb7efc

                                    SHA512

                                    dbd98bb6fe174445ab3db0a280e12a094b4b2594acbd2bcd6b2333ff694d589b2ef6088e7a193a8e298b0ae35cb9506568f5547a5497df83b06f490075326349

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    d4cb18ccc162558dec534f59619e2a51

                                    SHA1

                                    601156c93d6427b4defe3205dbc24013652e55e0

                                    SHA256

                                    aaaaf7069095a4e924b1aac229c5911556ef3e54338e6a850e940998f17c9f38

                                    SHA512

                                    6c1f108f570c78e7797c0781f0c202067bf0187568532863e0257c66082dd4c584bc2c82d34a4d0fee0b5df34eb29a6fa5e629cde2bde3d4cee40e84661203d8

                                  • memory/2508-77-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-18-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-51-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-28-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2508-55-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2508-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2508-25-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2508-32-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2508-95-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-19-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-100-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2508-90-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-20-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-26-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-56-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-43-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-89-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-88-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-24-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2508-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-42-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-57-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-81-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-80-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-76-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-73-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-72-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-68-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2508-67-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3720-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3720-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3720-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3720-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3720-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4136-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4136-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4136-160-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4136-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4136-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4136-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4136-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4136-123-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4512-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4512-27-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4512-31-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4512-48-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4512-22-0x0000000001200000-0x0000000001201000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4512-21-0x00000000011F0000-0x00000000011F2000-memory.dmp

                                    Filesize

                                    8KB