Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 03:36

General

  • Target

    ac287ce5d3b1ab3e0a5849cea18c94b18405b7e4fbca8ab54bfc7f0fdf5d41edN.dll

  • Size

    120KB

  • MD5

    2b81d539bf2999905b2f078159b60b50

  • SHA1

    c75a7f4976b566bae810b8e0242ccf3a5fbb1e71

  • SHA256

    ac287ce5d3b1ab3e0a5849cea18c94b18405b7e4fbca8ab54bfc7f0fdf5d41ed

  • SHA512

    fd02617215ab2a87714cfe3741f3e97caac4e2159534f70653d6fdfcb3e60781e54fe158d29aa2f3de9208f4e75dd2588d73e638f97e3bd73b7d7963b250ed85

  • SSDEEP

    3072:vKu8S8NeoQqnCZtQ21syk4SjOdRkLmF7DVyiEy:vKumQqb2iaSjMmyF7DVyit

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 15 IoCs

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

  • UPX packed file 31 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 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:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2556
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac287ce5d3b1ab3e0a5849cea18c94b18405b7e4fbca8ab54bfc7f0fdf5d41edN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3568
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac287ce5d3b1ab3e0a5849cea18c94b18405b7e4fbca8ab54bfc7f0fdf5d41edN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3944
                      • C:\Users\Admin\AppData\Local\Temp\e57c0a0.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c0a0.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:2424
                      • C:\Users\Admin\AppData\Local\Temp\e57c227.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c227.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4524
                      • C:\Users\Admin\AppData\Local\Temp\e57e4a3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e4a3.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:412
                      • C:\Users\Admin\AppData\Local\Temp\e57e4c2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e4c2.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:5052
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3852
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4152
                            • 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:4992
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:116
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3672
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4460
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:372

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e57c0a0.exe

                                              Filesize

                                              97KB

                                              MD5

                                              ef12d3e8a6497f39758698927b4e5923

                                              SHA1

                                              f4178987a21f73b3577e6dea3bcabcbda5f5927c

                                              SHA256

                                              e83e6f4c004ad1fbf7977a859753f121d1a462079cb7952ba33947739f076b33

                                              SHA512

                                              79f29c442c41c464da94bcd8f079b61dc533917886bea9c5c707c23dc96212bd5ccd4fafa55c904cf325425962c8f8ab0750c065bfbcd8182972a9ffe72962f5

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              b7faa80813856eb1bbd7d0311db99037

                                              SHA1

                                              03e879321b5b0c5694a097a3c94da9d814aaa3c0

                                              SHA256

                                              70bf159a4a164957a36bf16f7c952001eb75cb1f225175e933b0746014408f01

                                              SHA512

                                              727bb6697f1b859e863b23c416ec32d7e9cef967ee32b87de0a442a246583727a38d3a156a2ddf60f8d12f3813505a72635194fa9b0a84b11ab46c0eacc3385d

                                            • memory/412-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/412-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/412-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/412-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/412-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/412-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2424-79-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-85-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-23-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-30-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2424-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2424-28-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2424-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-97-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-12-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-27-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-33-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-41-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-13-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-103-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2424-54-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-57-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2424-114-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/2424-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-92-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-86-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-22-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2424-81-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-80-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-76-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-70-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-72-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-73-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/2424-75-0x0000000000820000-0x00000000018DA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3944-19-0x00000000014B0000-0x00000000014B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3944-29-0x00000000014B0000-0x00000000014B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-24-0x00000000014B0000-0x00000000014B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3944-20-0x0000000004880000-0x0000000004881000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4524-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4524-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4524-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4524-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4524-118-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4524-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5052-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5052-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/5052-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5052-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5052-135-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5052-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/5052-171-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/5052-170-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                              Filesize

                                              16.7MB