Analysis

  • max time kernel
    95s
  • max time network
    99s
  • 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 15:24

General

  • Target

    f3d95106e162b5f89209c068c66a14c980ff64f6983e7c5dbf96325520613455N.dll

  • Size

    120KB

  • MD5

    7a5ed0ff187aa889117dc40fe4038760

  • SHA1

    68a0a32a12d3d1e334922a1d5a93684777f98974

  • SHA256

    f3d95106e162b5f89209c068c66a14c980ff64f6983e7c5dbf96325520613455

  • SHA512

    47ea05dac360bcacbeb9dc95badffd366d25b2b723433f19c28694aa3889cf84946040ff202214732562e1b7594ceb19a7a46176b69662505f31242f3fd41ea7

  • SSDEEP

    1536:YfpXQJUQzFLx1sxkE7DZFD4OKB2oU4SVEPX+dIWdkKW0P7NyK5FyMqTp:YfpgJ7RE3oB2Ju2SWSWvFyZ

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 6 IoCs

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

  • UPX packed file 29 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 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 60 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:412
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2540
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2572
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2836
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3d95106e162b5f89209c068c66a14c980ff64f6983e7c5dbf96325520613455N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3208
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3d95106e162b5f89209c068c66a14c980ff64f6983e7c5dbf96325520613455N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1268
                      • C:\Users\Admin\AppData\Local\Temp\e5772af.exe
                        C:\Users\Admin\AppData\Local\Temp\e5772af.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:1940
                      • C:\Users\Admin\AppData\Local\Temp\e577417.exe
                        C:\Users\Admin\AppData\Local\Temp\e577417.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1604
                      • C:\Users\Admin\AppData\Local\Temp\e57b4e8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b4e8.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:3032
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3608
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • 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:3068
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3628

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e5772af.exe

                                Filesize

                                97KB

                                MD5

                                0a5486342a2eb46f0b9ba5119e55ab95

                                SHA1

                                7a6c6160991aba743aae23524ab2358002e6920f

                                SHA256

                                b2e0a0c5ecfe1af730d855fca9af3c06f1158859c335f80076491169a1ab221a

                                SHA512

                                321912ce7b1bf9e779b75c24c4f7994ccd58c3d70503bd18af6d2285c024337ecc8c66e6e3357127ed5781ce68cae43ab1d00b741f3ef7f1140c4a565557152f

                              • C:\Windows\SYSTEM.INI

                                Filesize

                                257B

                                MD5

                                3f83690c871ee813f298c8f965bb3cdc

                                SHA1

                                7ca30e9286e0ecb0d7ac3040ef6261d4b84035b2

                                SHA256

                                a9305022026ce5dd036bb02550bf33949f03ad38ce801327c919d056435cc52e

                                SHA512

                                e61a787ddaa5971bfc21f1a58c656502bf67e509943f9132a8f77da4e949c9c2eba421fd94544ab29a82a19d007f192ae97abef7a82fc93b1cd458422463b0ad

                              • memory/1268-33-0x0000000001420000-0x0000000001422000-memory.dmp

                                Filesize

                                8KB

                              • memory/1268-55-0x0000000001420000-0x0000000001422000-memory.dmp

                                Filesize

                                8KB

                              • memory/1268-12-0x00000000014B0000-0x00000000014B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1268-11-0x0000000001420000-0x0000000001422000-memory.dmp

                                Filesize

                                8KB

                              • memory/1268-18-0x0000000001420000-0x0000000001422000-memory.dmp

                                Filesize

                                8KB

                              • memory/1268-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                Filesize

                                128KB

                              • memory/1604-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1604-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/1604-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/1604-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1604-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1940-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-20-0x0000000003520000-0x0000000003522000-memory.dmp

                                Filesize

                                8KB

                              • memory/1940-29-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-34-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-16-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-15-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-17-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-28-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-43-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-41-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-46-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-14-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1940-21-0x0000000003520000-0x0000000003522000-memory.dmp

                                Filesize

                                8KB

                              • memory/1940-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-61-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-74-0x0000000003520000-0x0000000003522000-memory.dmp

                                Filesize

                                8KB

                              • memory/1940-63-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-82-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1940-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1940-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3032-95-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-87-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-96-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-99-0x0000000004370000-0x0000000004371000-memory.dmp

                                Filesize

                                4KB

                              • memory/3032-92-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-106-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                Filesize

                                8KB

                              • memory/3032-91-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-90-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-89-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3032-133-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3032-134-0x0000000000760000-0x000000000181A000-memory.dmp

                                Filesize

                                16.7MB