Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 06:30

General

  • Target

    633e801dfa663b1f6ca1377e874e9e7aa14271c70aa28d0e528d53e8e968b243.dll

  • Size

    120KB

  • MD5

    9f42f9b80d5b45a755c4afceecad2d7b

  • SHA1

    10bc3bb7e44f0353f6da5c5e82e463d305ef8c64

  • SHA256

    633e801dfa663b1f6ca1377e874e9e7aa14271c70aa28d0e528d53e8e968b243

  • SHA512

    921508e0a31d8f79701795e54992286100dbbff6f67e5f9e6cb8b4f1209ca9795ced437f51c6987920e882c256996088cc32814545a1a7f23ddc505ce36d63d0

  • SSDEEP

    1536:uwx9OwQmXUI7vsLOrJlCmnyQ15HKKBC+n2JDjF+w4zY9fmvkpYqARKQxvWLaYcZ4:xmWXUS19VKxJZ+w4zYwvkf6xxvTYO93e

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 9 IoCs

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

  • UPX packed file 28 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 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2804
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2816
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\633e801dfa663b1f6ca1377e874e9e7aa14271c70aa28d0e528d53e8e968b243.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:548
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\633e801dfa663b1f6ca1377e874e9e7aa14271c70aa28d0e528d53e8e968b243.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4452
                      • C:\Users\Admin\AppData\Local\Temp\e578647.exe
                        C:\Users\Admin\AppData\Local\Temp\e578647.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:2232
                      • C:\Users\Admin\AppData\Local\Temp\e578770.exe
                        C:\Users\Admin\AppData\Local\Temp\e578770.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1160
                      • C:\Users\Admin\AppData\Local\Temp\e57bb03.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb03.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:232
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3508
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4060
                            • 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:3012
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1348

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e578647.exe

                                  Filesize

                                  97KB

                                  MD5

                                  9fec485583baadc957d7852ac4548870

                                  SHA1

                                  a5eb27d64cbb256f66eb0ffb7bd23702b4552f96

                                  SHA256

                                  04c12761c574da774b26e9d8961c4eaa8cf3dc7eb372c9cf5cfeaa7e809bafdd

                                  SHA512

                                  6437afa625111475afa10680bac77cf89bbc190cf0f16964ab4f70f2fd90cf07c03d85f955c1268721b7cee8ef485a81ac2ea763ff52c023c1fde9d6e436e33e

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  d9ef5b855088fe79f0e06e61555c51a8

                                  SHA1

                                  57797f2d87dbecd7e556e28683cf0d5b70699d54

                                  SHA256

                                  c24b2476a24237f7250ec0cbc5dbaf74a00390579d0587102d84e378f81571b2

                                  SHA512

                                  2f0c45a0d479722ff12593802c52100cc66cb54732edbcfca45b96f40e6cf3552e522f420335d6733d5c33f9593ab8e6a1bbcb00f34343596081e02521642b03

                                • memory/232-93-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/232-97-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-98-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-136-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-92-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/232-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1160-43-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1160-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1160-83-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1160-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1160-41-0x0000000000530000-0x0000000000531000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2232-61-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-55-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2232-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-26-0x0000000000580000-0x0000000000582000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2232-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-53-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-54-0x0000000000580000-0x0000000000582000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2232-17-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2232-56-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-57-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-30-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-82-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2232-28-0x0000000000580000-0x0000000000582000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2232-33-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-31-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2232-13-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4452-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4452-27-0x0000000000ED0000-0x0000000000ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4452-49-0x0000000000ED0000-0x0000000000ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4452-18-0x0000000000ED0000-0x0000000000ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4452-14-0x0000000000ED0000-0x0000000000ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4452-15-0x0000000000F20000-0x0000000000F21000-memory.dmp

                                  Filesize

                                  4KB