Analysis

  • max time kernel
    32s
  • 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
    18-12-2024 05:59

General

  • Target

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll

  • Size

    120KB

  • MD5

    f525dc337f911206a1d62ae4475c67d0

  • SHA1

    a6e13b68a025410221f4fa39a9781dd3d4f76ea4

  • SHA256

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc

  • SHA512

    fcaba207ebb2421bbf395ce75101e0551f82018288ebcc07adcb3595e712bd228224d4ea7b556616dd963cb5d795691274e47e3e1ab0af7e6dcfe4f47463033a

  • SSDEEP

    3072:uBofxvDEaFOTQ2rAvs2UuVHKWy9yRC8gKIsA8RuO:uCJvrFKQF7r7y9ttKIsUO

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 14 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 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:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2836
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2892
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2972
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3420
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4844
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1216
                      • C:\Users\Admin\AppData\Local\Temp\e57ae41.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ae41.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:4964
                      • C:\Users\Admin\AppData\Local\Temp\e57aff7.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aff7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1892
                      • C:\Users\Admin\AppData\Local\Temp\e57dd12.exe
                        C:\Users\Admin\AppData\Local\Temp\e57dd12.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:1172
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • 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:4132
                            • 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:2708
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4032
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3164

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57ae41.exe

                                    Filesize

                                    97KB

                                    MD5

                                    e3a4df8f492c2ae1a24f3feef63c3aff

                                    SHA1

                                    2d2fb1c9e8568ef162d7c9a21343eb90fa705555

                                    SHA256

                                    2d4b6e638b50279afef63fd5d0e9bfba494ca3ace0ca9075b9f95cbebe5223d3

                                    SHA512

                                    fa53e56d1e2a194a1bfc323116c0bdc44877d12e5862c8cd25703baecde85ea6b84d89447669253ccaa21637106ec5f0a27764e1e4821335ef2f351ea32201ca

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    678c79d3a6f1eac8c9d7d1d3a0fe8c0b

                                    SHA1

                                    6611b6d9b367bf83dd20cebd7760fbbb7e8be9cc

                                    SHA256

                                    6a5a77c72111dc1446f5c55b466ce3136fd1b4e2b918a06cb5732d92c574d638

                                    SHA512

                                    53b1ce691485a5721b825e7f38f1f9970271404740e5de0d4d6a1c4f87a24431182288cb545d854fd953990bec28ceef7de2bb0dee67ee53880aa2fb2c96c87d

                                  • memory/1172-148-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1172-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1172-111-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1172-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1216-15-0x00000000038F0000-0x00000000038F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1216-26-0x0000000000840000-0x0000000000842000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1216-27-0x0000000000840000-0x0000000000842000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1216-51-0x0000000000840000-0x0000000000842000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1216-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1216-14-0x0000000000840000-0x0000000000842000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1892-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1892-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1892-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1892-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1892-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1892-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4964-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-56-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-33-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-23-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4964-13-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-24-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-46-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-28-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4964-22-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-30-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-57-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4964-58-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-60-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-61-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-63-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-64-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4964-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-17-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4964-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4964-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB