Analysis

  • max time kernel
    124s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 11:10

General

  • Target

    3c8e3b6b22b7b42ef6795005c74d4f4ae8fd1cd03831fac8f5322cd4858d70c1.exe

  • Size

    120KB

  • MD5

    b95691dee06f767675de01f86a0a6630

  • SHA1

    e3e806ace800ed5110d9a7f2d5990c442aef6460

  • SHA256

    3c8e3b6b22b7b42ef6795005c74d4f4ae8fd1cd03831fac8f5322cd4858d70c1

  • SHA512

    08d199f0333bb7682b6d8bd0da7e34f964f16403de30aaf44950f8809541f29c7db81f95e34a24f5b067c0a752dc8c95e66730d08a411b90760d2e5de7de078c

  • SSDEEP

    3072:KEaYK60a3KAlQquxXD8yqeSNZKGfMWlp1HIv:KEa/60Atuz81eSNZLMWlbHK

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • 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:3068
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1052
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\3c8e3b6b22b7b42ef6795005c74d4f4ae8fd1cd03831fac8f5322cd4858d70c1.exe
                    "C:\Users\Admin\AppData\Local\Temp\3c8e3b6b22b7b42ef6795005c74d4f4ae8fd1cd03831fac8f5322cd4858d70c1.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Checks computer location settings
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1728
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c c:\frpc.exe -c c:\frpc.ini
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:3812
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3944
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3336
                            • 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:2968
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4384

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\htfcuh.exe

                                  Filesize

                                  100KB

                                  MD5

                                  ff797f0909b5dff092e6645eac1b9160

                                  SHA1

                                  cb0bafb68d8f3f4ccd8d313c7d0694ed4e5dc7eb

                                  SHA256

                                  bb9a37beaf1a95e31141aecb6dae2de93d61c2588774362f277a1f5ecb66eeb6

                                  SHA512

                                  7d1b4d3464dee0f9faa5c96049356b895c6c55c48893a47459124412e88894fad6a6ddee3ac9202121c7a2968bb2aa6383faca13e1bf0b776470b332e6977f12

                                • memory/1728-28-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-16-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1728-7-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-0-0x0000000000400000-0x000000000041F000-memory.dmp

                                  Filesize

                                  124KB

                                • memory/1728-12-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-17-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-15-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1728-11-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-13-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1728-6-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-27-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-5-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-29-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1728-18-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-19-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-20-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-21-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-22-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-24-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-25-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-10-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-14-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1728-4-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-30-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-32-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-34-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-37-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-40-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-42-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-43-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-44-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-46-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-48-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-51-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-57-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-59-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-61-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-64-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-65-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-67-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-69-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-71-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-3-0x0000000002BD0000-0x0000000003C5E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1728-80-0x0000000000400000-0x000000000041F000-memory.dmp

                                  Filesize

                                  124KB