Analysis

  • max time kernel
    31s
  • 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
    17-12-2024 21:10

General

  • Target

    b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll

  • Size

    120KB

  • MD5

    1430f96da6630ed645c10a89e2ad3fa0

  • SHA1

    70c1b3e4676f98017fded905121995a1cf7a607d

  • SHA256

    b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130

  • SHA512

    7788bea75e68c629a164c3a6b9c060282e7699bb52e8edd906b1357e8c0fc0c702602f5a610a5633d11cfa8c825d4db436ff809dbae52144b577dae09923b5a4

  • SSDEEP

    1536:nteWGbTI21kNVKvLOLgtznu/qT5syoj4oygV26nUOVUtsSkqV4PVIDrh:nubE2a7ZUwqT+bEHgVvUaa463

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 11 IoCs

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

  • UPX packed file 29 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2768
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2824
            • 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:3472
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4136
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7c45b559fc72a4b7134a4a308caf366aa990aec43f33a96f1bc1ac42e9e7130N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2352
                      • C:\Users\Admin\AppData\Local\Temp\e57af1c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57af1c.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:5088
                      • C:\Users\Admin\AppData\Local\Temp\e57b074.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b074.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4820
                      • C:\Users\Admin\AppData\Local\Temp\e57dafe.exe
                        C:\Users\Admin\AppData\Local\Temp\e57dafe.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:2124
                      • C:\Users\Admin\AppData\Local\Temp\e57de4a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57de4a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:740
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3592
                  • 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:4004
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4392
                              • 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:3132

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57af1c.exe

                                  Filesize

                                  97KB

                                  MD5

                                  7a9f23db544b655b415b2d03244c245b

                                  SHA1

                                  c1df12d309f332801b40a8fe1f229dc455b8e138

                                  SHA256

                                  8460ffeffa1070169b26cdb8b0551eddea30e0a6ef3a29dd060eaa68a9629e29

                                  SHA512

                                  f919b4c173fe250f78f6493763efa0dbc333b7ca7e557875f687778563fb99251e70798d823a8ce86c21deff9a4ec0d8a6860ef1c1ba44020793d683e919164e

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  c95b376c756c8cacfad9f11b382f307c

                                  SHA1

                                  9473a7bdc79c7444463771e0266b7db5e1b1a8db

                                  SHA256

                                  2d8e4e48d52d4ddca7026e0af48509d61dcacf20fc42e14ed031fd9e963f27a5

                                  SHA512

                                  9423725eef0598b45097d5a7998d392a02c94aeb789913afcf4800680fbf6d88a104a57b4a90ee85131d747f23c84914107610dedb7eceb1cd0271b257c0c77e

                                • memory/740-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/740-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2124-110-0x0000000000860000-0x000000000191A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2124-160-0x0000000000860000-0x000000000191A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2124-106-0x0000000000860000-0x000000000191A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2124-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2124-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2124-112-0x0000000000860000-0x000000000191A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2124-107-0x0000000000860000-0x000000000191A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2352-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2352-18-0x0000000001690000-0x0000000001692000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2352-14-0x00000000016A0000-0x00000000016A1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2352-13-0x0000000001690000-0x0000000001692000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2352-31-0x0000000001690000-0x0000000001692000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2352-54-0x0000000001690000-0x0000000001692000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4820-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4820-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4820-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4820-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4820-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4820-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5088-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-65-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-34-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-35-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-30-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-16-0x00000000005C0000-0x00000000005C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5088-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-59-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-60-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-62-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-63-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5088-64-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-67-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-74-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-78-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5088-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-21-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-22-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5088-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-17-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-33-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5088-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5088-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB