Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 06:13

General

  • Target

    fc69883325d8ae5090fce1369880a824af9ca79e19242c7db071f5076b1d0511.exe

  • Size

    2.6MB

  • MD5

    4f408a2d7d3bcf1c6ed7e92412dc7d6e

  • SHA1

    7300b1dc6290366f12787c978448f01fcd32284b

  • SHA256

    fc69883325d8ae5090fce1369880a824af9ca79e19242c7db071f5076b1d0511

  • SHA512

    4b0c0211a146bb70962f7023b8b804894d73e6cfd68b48dbed3e9197b4e1c5b6cd378dde88d6dbd4025c2d5f276441b5dddb417ed6b08d6fd4c754ce89c5c7f2

  • SSDEEP

    24576:2+ZXs3fzbxEh5tFyv/Imb4m4OlDqoYw833Cxrfiu3j1yvwO7jq3eeS62q:2+23L0y7Em3op36rfiEpmwO7jueeaq

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 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:392
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:688
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3076
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3132
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Users\Admin\AppData\Local\Temp\fc69883325d8ae5090fce1369880a824af9ca79e19242c7db071f5076b1d0511.exe
                    "C:\Users\Admin\AppData\Local\Temp\fc69883325d8ae5090fce1369880a824af9ca79e19242c7db071f5076b1d0511.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Writes to the Master Boot Record (MBR)
                    • 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:3900
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • 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:3996
                          • 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:4680
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4320
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                1⤵
                                  PID:2896

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/3900-0-0x0000000000400000-0x000000000069E000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/3900-23-0x0000000004270000-0x0000000004271000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3900-20-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-19-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-18-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-37-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-7-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-6-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-22-0x0000000003D10000-0x0000000003D12000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3900-21-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-4-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-17-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-36-0x0000000000400000-0x000000000069E000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/3900-3-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-11-0x0000000003D10000-0x0000000003D12000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3900-5-0x0000000002650000-0x000000000370A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3900-8-0x0000000003D10000-0x0000000003D12000-memory.dmp

                                  Filesize

                                  8KB