Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 20:57

General

  • Target

    72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll

  • Size

    120KB

  • MD5

    f8b88f63cbb181ef5b4ac31e39d81b50

  • SHA1

    b733c91de698e66a89333187475c1dfe7512e3e8

  • SHA256

    72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8c

  • SHA512

    27f636faca69c3390085ecec5d705dd8beebab6ccdcc9c8dd04d8a1d13d177c8df2a051a8223775884880cae809a5870cb8db8324947d65a98ff59461903b5a9

  • SSDEEP

    3072:4rb7pHapnLftKZxYp+wv2X+VXCsfemYY2:2F6pn7gZ+pKknf3F

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 33 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 54 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:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2572
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2588
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2736
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4636
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:844
                      • C:\Users\Admin\AppData\Local\Temp\e57b352.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b352.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:3100
                      • C:\Users\Admin\AppData\Local\Temp\e57b4aa.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b4aa.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4756
                      • C:\Users\Admin\AppData\Local\Temp\e57ced9.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ced9.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • System policy modification
                        PID:2192
                      • C:\Users\Admin\AppData\Local\Temp\e57cee9.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cee9.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2676
                • 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:3844
                    • 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:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2940
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4276
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4576
                              • 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:2448

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57b352.exe

                                  Filesize

                                  97KB

                                  MD5

                                  13ef65b7edd20660fb9366144f8d93a0

                                  SHA1

                                  6682d5b2045ef75f643ba131d2f8da3a8fd3c202

                                  SHA256

                                  0aae9d689eeda216e18fcf8d1beb9abe7e6a3d39895d14c584366701538c261d

                                  SHA512

                                  15c8d9cae9e5232963d0df776418686581ea771e9f99912c2d9b50a5a4b18734bc642a4b688465bb310175fe5814c5ed153b53e3c52b2a550431167b3eafea89

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  f302982aaea37602edfb49cabd538334

                                  SHA1

                                  bed6cee0b1d9b4eac49d647c9ff1a994b2b1a343

                                  SHA256

                                  bde5508d6f46f8cb04d6c60e1e97896d072595c291ff24a84eed87d72c4c7c42

                                  SHA512

                                  1fc9d69d63e949bdb44c5360a94100fc3791f22f3a0585dac9a71a0cb3fddf2902e28216fbdc0d72bd4320b200b3bd322ea9c4c2827d77286d6b6b72cbc627d0

                                • memory/844-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/844-21-0x0000000003D80000-0x0000000003D82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/844-25-0x0000000003D80000-0x0000000003D82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/844-28-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/844-30-0x0000000003D80000-0x0000000003D82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2192-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2192-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2192-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2192-142-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2192-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2192-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2192-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2192-149-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2676-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2676-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2676-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2676-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2676-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3100-58-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-92-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-41-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-43-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-45-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-62-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-19-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-31-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3100-24-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3100-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-35-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3100-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3100-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-76-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-80-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-82-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-84-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-18-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-87-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-89-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-94-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-20-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3100-98-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3100-103-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4756-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4756-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4756-86-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4756-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4756-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4756-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB