Analysis

  • max time kernel
    32s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 16:04

General

  • Target
    17d7910c9536b5096c4c26430e46755929bedd8866581debac08281b5bf3cbc6N.dll
  • Size 120KB
  • Sample241216-th2jaavkbt
  • SHA256 17d7910c9536b5096c4c26430e46755929bedd8866581debac08281b5bf3cbc6
  • MD5 SHA1 SHA512 SSDEEP

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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d7910c9536b5096c4c26430e46755929bedd8866581debac08281b5bf3cbc6N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4452
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d7910c9536b5096c4c26430e46755929bedd8866581debac08281b5bf3cbc6N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2352
                      • C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5771a6.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:4392
                      • C:\Users\Admin\AppData\Local\Temp\e5772ce.exe
                        C:\Users\Admin\AppData\Local\Temp\e5772ce.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4300
                      • C:\Users\Admin\AppData\Local\Temp\e57a1ed.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a1ed.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:3056
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3632
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3844
                            • 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:4116
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1040
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4852

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        e5771a6.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                                        • Size 97KB
                                        • SHA256 2b59c4282d6284e01ae2de539d2cd0e95872f32decfa2d8866b684f3fc99e07d
                                        • MD5 SHA1 SHA512 SSDEEP

                                        SYSTEM.INI

                                        • Path C:\Windows\SYSTEM.INI
                                        • Size 257B
                                        • SHA256 b40660f16bc46345c20a3b077b64759b7c08d94355bac65d5270c10a37cc47da
                                        • MD5 SHA1 SHA512

                                        memory/2352-13-0x0000000003F30000-0x0000000003F31000-memory.dmp

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

                                        memory/2352-31-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        memory/2352-21-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        memory/2352-12-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        memory/2352-51-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        memory/3056-111-0x0000000000850000-0x000000000190A000-memory.dmp

                                        memory/3056-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/3056-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/3056-148-0x0000000000850000-0x000000000190A000-memory.dmp

                                        memory/4300-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/4300-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/4300-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/4300-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/4300-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        memory/4300-30-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/4392-38-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-55-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-6-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-35-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-36-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-37-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-10-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-39-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-40-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-26-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-24-0x0000000003520000-0x0000000003522000-memory.dmp

                                        memory/4392-34-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-46-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-29-0x0000000003520000-0x0000000003522000-memory.dmp

                                        memory/4392-33-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-15-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                        memory/4392-56-0x0000000003520000-0x0000000003522000-memory.dmp

                                        memory/4392-58-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-59-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-60-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-62-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-63-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-66-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-32-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-70-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-74-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-22-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/4392-11-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-9-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-8-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        memory/4392-4-0x0000000000400000-0x0000000000412000-memory.dmp