Analysis

  • max time kernel
    30s
  • 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
    18-12-2024 22:40

General

  • Target

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll

  • Size

    120KB

  • MD5

    5b1f1c1a52ac5403e67fcc1785a6435e

  • SHA1

    12c69011eb1409319dad3af3a6fb567c0d2e16ca

  • SHA256

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c

  • SHA512

    697257deaecdc55ec71aa692aa4b7945f63564e87c4dac741d2d5598a9c0c8763e50415f3dd50afe2ed886a4d0251c53589949770d67497e367f6a114808f93f

  • SSDEEP

    1536:21wWIdV9BfHvEqFjJVylnjFn6apvtq0bckiobDlYLbxP6d6wipHUNdcUiulfQk:26WIdV9BfHcF5jd1nQkiQUFg0mfF

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 12 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:780
    • 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:2448
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2476
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2632
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4740
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2804
                      • C:\Users\Admin\AppData\Local\Temp\e5786a5.exe
                        C:\Users\Admin\AppData\Local\Temp\e5786a5.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:4916
                      • C:\Users\Admin\AppData\Local\Temp\e57884a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57884a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2508
                      • C:\Users\Admin\AppData\Local\Temp\e57ae60.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ae60.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:4296
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3988
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3596
                            • 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:4752
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3180

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5786a5.exe

                                  Filesize

                                  97KB

                                  MD5

                                  e0ffcb35552ad2d18ff7e30cad53d810

                                  SHA1

                                  7788774201449758298bd304fc7dd77e00eb3714

                                  SHA256

                                  02e6f6409b5e79835341248660b813edd65eea54596433819752b318c716e5b5

                                  SHA512

                                  acde220fa7044e859967046ff1237cbf061d91729511e6da8d3a2b24ebd9357150280da597f80c2c4c8663f213a58a4b6f7a2311b4715cd8ed9a8e1c851c8913

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  08a1edfec2a7ee3403efb8ab752ab995

                                  SHA1

                                  a8931795a4ec80a34fac8ee25a5812bde5f1bab6

                                  SHA256

                                  9741f475f90baf9fe08f0e6373826dfdfa7f9abb86f16c8221bb210150a68d61

                                  SHA512

                                  d5d6572206f8cb796d3933b9cefa3016bc212abc8e08b13d6402b57f47771eccc167328f43ae3563d6bdbb80dac8414ea0c9c407951637b108b5e1a4a17ebced

                                • memory/2508-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2508-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2508-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2508-117-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2804-13-0x0000000000660000-0x0000000000662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2804-43-0x0000000000660000-0x0000000000662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2804-14-0x00000000006F0000-0x00000000006F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2804-18-0x0000000000660000-0x0000000000662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2804-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2804-29-0x0000000000660000-0x0000000000662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4296-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4296-126-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4296-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4296-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4296-146-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4296-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4296-92-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4296-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4916-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-58-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4916-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-16-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4916-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-27-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-28-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4916-17-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-30-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-32-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-31-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-57-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-56-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-61-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-63-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-65-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-69-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-71-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4916-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-22-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4916-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4916-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB