Analysis

  • max time kernel
    94s
  • 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
    13-11-2024 17:35

General

  • Target

    b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll

  • Size

    120KB

  • MD5

    1a6cc5ed8b02f30ff31665b8a8537311

  • SHA1

    3bae2ec2245bbc68b1520290b6a92882e8bbaaeb

  • SHA256

    b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2

  • SHA512

    ecfc18114046f2662c5a3557c2ef97dfe45b36a8a7896ca30408b7080d0802eef5cb07db42a3c8568b27287ebf8a1e7f1c65d801280d47605ff230a911fb7934

  • SSDEEP

    3072:pND39Bfsztt1rCl5zntpffoBGVJvELKhffsM6D:DUzL1rCTnFVtg8sP

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 4 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 3 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:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2688
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2848
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3392
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4548
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b836b9253a69becec7a0992ee75e72d490e4c7fe3c978a2f3238d172e6778cb2.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3256
                      • C:\Users\Admin\AppData\Local\Temp\e579153.exe
                        C:\Users\Admin\AppData\Local\Temp\e579153.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:2896
                      • C:\Users\Admin\AppData\Local\Temp\e5793d4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5793d4.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4384
                      • C:\Users\Admin\AppData\Local\Temp\e57acab.exe
                        C:\Users\Admin\AppData\Local\Temp\e57acab.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:3820
                      • C:\Users\Admin\AppData\Local\Temp\e57acca.exe
                        C:\Users\Admin\AppData\Local\Temp\e57acca.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1028
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3540
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3716
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3808
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3872
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3956
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3432
                            • 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:4408
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1684
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2404
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1552
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1532

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e579153.exe

                                        Filesize

                                        97KB

                                        MD5

                                        89d5b031b2b1b401ebcdc3da1ddb62e7

                                        SHA1

                                        0bc8c57e96a240918bac201759cfd366843cec6c

                                        SHA256

                                        9e216be8e972cc2f483494fcd58460c5ef60036d8af53a3a00dda17c6c83ac3f

                                        SHA512

                                        fb9ab954a2178d50be978f8666e30240cc0bddb2bd1bbc869284f3d490d1e181fc19f3e618f78e191b6f6e81b332d0413a2b0a58e1d3e2f69009675aab5deb06

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        5143ed1324ca8af96d49323ee4946f74

                                        SHA1

                                        4c5cc48407338c9b7ecf56d16ed4154e118733a1

                                        SHA256

                                        34f07ea0838e3576c18266262952bfa8d627873bd39bd2deaae0a982186d60e3

                                        SHA512

                                        3c7c83f7dcf4dbf4fb2986cd9e47b1cff54a51f29ba8b1f7827f6e45c11dd9fd6f5be90c388458dbf9deb40bdc1a2814d53ec319075852e2236629c147c2a2a9

                                      • memory/1028-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1028-169-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1028-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1028-71-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1028-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1028-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2896-60-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2896-64-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2896-6-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-35-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2896-32-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2896-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2896-104-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2896-22-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-28-0x0000000004370000-0x0000000004371000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2896-98-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-20-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-40-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-41-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-43-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-44-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-19-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-59-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-61-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-63-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-21-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-12-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-94-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-91-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-88-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-85-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-84-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-81-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2896-80-0x0000000000760000-0x000000000181A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3256-30-0x0000000000FA0000-0x0000000000FA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3256-23-0x0000000000FA0000-0x0000000000FA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3256-31-0x0000000004240000-0x0000000004241000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3256-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3256-24-0x0000000000FA0000-0x0000000000FA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3820-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3820-165-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3820-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3820-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3820-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4384-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4384-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4384-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4384-127-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4384-142-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4384-141-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4384-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4384-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB