Analysis

  • max time kernel
    42s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 01:19

General

  • Target

    b87593e859e3b4485dcaf6501f7c9bb8b4ee2e0bb178687c2aab13e574da58ee.dll

  • Size

    120KB

  • MD5

    c3c1e0336aa60561ac46a8ba7fed198f

  • SHA1

    ae00cd7d696d1793fc83a10d0e47c1be618828db

  • SHA256

    b87593e859e3b4485dcaf6501f7c9bb8b4ee2e0bb178687c2aab13e574da58ee

  • SHA512

    3df257fb4976b2c7473684b7dc6074b9774933ed106b736340931a64f87e9202e61c53705442066f242aa1185d608ebe659c16a9f9bc32923983e6ebc01ff2b3

  • SSDEEP

    1536:jrnrP/Sw4KR16cvkQGkn5fLCcSZd8wWIIGjFDegk8d6Rxcm9DboNNDyqELaluuO+:H+DKR71EcSZdzIunk8Wxd9nucelut

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 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 33 IoCs
  • UPX dump on OEP (original entry point) 38 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 33 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2928
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2972
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2744
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3372
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b87593e859e3b4485dcaf6501f7c9bb8b4ee2e0bb178687c2aab13e574da58ee.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2824
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b87593e859e3b4485dcaf6501f7c9bb8b4ee2e0bb178687c2aab13e574da58ee.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2248
                      • C:\Users\Admin\AppData\Local\Temp\e5749bb.exe
                        C:\Users\Admin\AppData\Local\Temp\e5749bb.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5044
                      • C:\Users\Admin\AppData\Local\Temp\e574c5b.exe
                        C:\Users\Admin\AppData\Local\Temp\e574c5b.exe
                        4⤵
                        • Executes dropped EXE
                        PID:1232
                      • C:\Users\Admin\AppData\Local\Temp\e576561.exe
                        C:\Users\Admin\AppData\Local\Temp\e576561.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2892
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3524
                  • 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:3900
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4092
                            • 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:3028
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2732
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3860
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2148
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4672

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e5749bb.exe

                                              Filesize

                                              97KB

                                              MD5

                                              3a196cc7c82a247b50759758c8d8c977

                                              SHA1

                                              a4e908d85f89a021deccd278f72d13a4bb8d8b05

                                              SHA256

                                              f6893a4b04169cb00a633dc2f9730280958e0042a0a80818dbfa6708ab14ffa1

                                              SHA512

                                              01542586a7d5588849bb07bdf705b3709fc87681b284ff3130859677cfcd5b9fff37b5b4394002f21bf257aab2d0432e0d93afea41bf7cd5cf6bffa77a0aed9b

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              58b17a733c40f12c8bc6ae3f9c800861

                                              SHA1

                                              8d227b480dcb0cbfe168461419603dcf6bcccbce

                                              SHA256

                                              959ff7abeb1fa324509b3848b1b9281371b23f3007eaf36da93acb24e27afca6

                                              SHA512

                                              e61f41dbcd06634cdfaa9c35e8da28899e4754e95000939d62890a1ff874a47aaf9dd598651036d0ac0ee64dcc3ae245df07072dbbc41180ca065f9a8a777fdd

                                            • memory/1232-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/1232-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1232-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1232-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1232-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2248-23-0x0000000002DA0000-0x0000000002DA2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2248-31-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2248-30-0x0000000002DA0000-0x0000000002DA2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2248-27-0x0000000002DA0000-0x0000000002DA2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2248-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/2892-124-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2892-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2892-154-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2892-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2892-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2892-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/5044-43-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-19-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-22-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-37-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-38-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-40-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-41-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-26-0x0000000001B40000-0x0000000001B41000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/5044-44-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-32-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5044-54-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-55-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-56-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-58-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-35-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5044-10-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-11-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-20-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-21-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-59-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-72-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-73-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-74-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-75-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-76-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-80-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-81-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-88-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-89-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-94-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5044-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/5044-17-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-18-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-9-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5044-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB