Analysis

  • max time kernel
    92s
  • max time network
    93s
  • 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 23:26

General

  • Target

    5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll

  • Size

    120KB

  • MD5

    76bf3fcf4a0f2fe419184c256d6b8c00

  • SHA1

    177db3dd3dba0107bf2b2c384f001d698c7a1b57

  • SHA256

    5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3

  • SHA512

    2372f0f2966975ec11b239b881cf5524294bd38ff77ca6d76a27995620ce66155aeba4d234886bbe9ef68c411dc1be3d00821b182c96084ec0da9b0ecadf80f6

  • SSDEEP

    1536:21wWIdV9BfHvEqFjJVylnjFn6apvtq0bckiobDlYLbxP6d6wipHUNdcUiulfQ:26WIdV9BfHcF5jd1nQkiQUFg0mf

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 4 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 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:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2996
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3060
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3168
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3548
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4692
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4048
                      • C:\Users\Admin\AppData\Local\Temp\e57c94b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c94b.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:3708
                      • C:\Users\Admin\AppData\Local\Temp\e57cb01.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cb01.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1420
                      • C:\Users\Admin\AppData\Local\Temp\e580942.exe
                        C:\Users\Admin\AppData\Local\Temp\e580942.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2844
                      • C:\Users\Admin\AppData\Local\Temp\e5809a0.exe
                        C:\Users\Admin\AppData\Local\Temp\e5809a0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4720
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3676
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3880
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3968
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4036
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1112
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4180
                            • 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:2600
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4464

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57c94b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  e0ffcb35552ad2d18ff7e30cad53d810

                                  SHA1

                                  7788774201449758298bd304fc7dd77e00eb3714

                                  SHA256

                                  02e6f6409b5e79835341248660b813edd65eea54596433819752b318c716e5b5

                                  SHA512

                                  acde220fa7044e859967046ff1237cbf061d91729511e6da8d3a2b24ebd9357150280da597f80c2c4c8663f213a58a4b6f7a2311b4715cd8ed9a8e1c851c8913

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  d15ff0b0f174172b131d7b735c78991a

                                  SHA1

                                  e5532b2acf0188e9353be9db4775a256d23fa3aa

                                  SHA256

                                  9565b0310f26a98fde400c08d5effbe153811077c377754a83369d5485dd2d89

                                  SHA512

                                  f06186c83457d805d3b4f4743c8d0aadc43896072fa9dc318ac4e83c26f700841fb2f00835b1e4de6f768b83ce0fed704a5105e5672a623322eeadefdaf24053

                                • memory/1420-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1420-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1420-40-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1420-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1420-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2844-95-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-99-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-134-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2844-91-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-94-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-96-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-93-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-92-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-100-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2844-97-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-46-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-22-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3708-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-43-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-44-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-18-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-33-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3708-58-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-61-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3708-34-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-64-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-67-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3708-7-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-26-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3708-27-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3708-29-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4048-28-0x0000000000E90000-0x0000000000E92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4048-25-0x0000000000E90000-0x0000000000E92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4048-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4048-20-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4048-55-0x0000000000E90000-0x0000000000E92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4048-19-0x0000000000E90000-0x0000000000E92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4720-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4720-137-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB