Analysis

  • max time kernel
    117s
  • max time network
    95s
  • 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 08:08

General

  • Target

    94dbffbf253dbc4b694326f594aebad9109eeb0d7436d951aac03a8fbc51e5f4N.exe

  • Size

    681KB

  • MD5

    46722c263723a43cc04c6a2769ec51e0

  • SHA1

    3d8754727d60f4089feaa056427b9e3145fafa73

  • SHA256

    94dbffbf253dbc4b694326f594aebad9109eeb0d7436d951aac03a8fbc51e5f4

  • SHA512

    f8247faee4ecc653c15626d98b3a416cb1c0890d38bf1714c76c59b1558384db055c61fd343fb5ed0ce1e308dffe77f6e1f0a69dcf71cdb52e5b3d3569c07e4d

  • SSDEEP

    12288:10/zSknQZmbFlXTPhvHA7azeJKlUxMDvrW0rnD2u7jEmUb:zEbFR9A7aCKyoq0rFAmUb

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
  • 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 38 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 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2892
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2952
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3104
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3548
                  • C:\Users\Admin\AppData\Local\Temp\94dbffbf253dbc4b694326f594aebad9109eeb0d7436d951aac03a8fbc51e5f4N.exe
                    "C:\Users\Admin\AppData\Local\Temp\94dbffbf253dbc4b694326f594aebad9109eeb0d7436d951aac03a8fbc51e5f4N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • 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 WriteProcessMemory
                    • System policy modification
                    PID:1928
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3728
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3908
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4004
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4072
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2796
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • 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:1596
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3704
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2828
                                  • C:\Windows\system32\AUDIODG.EXE
                                    C:\Windows\system32\AUDIODG.EXE 0x308 0x4f4
                                    1⤵
                                      PID:4748

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • F:\rfwa.exe

                                      Filesize

                                      100KB

                                      MD5

                                      d3e66157c3817de5ab7cc86316a7b386

                                      SHA1

                                      4ea05be2ad99f37b112f28220716ab87894b1a21

                                      SHA256

                                      7a4219494197bebd2f3b44ec40e69f977854a42a5e57fe14239be97d63d67ce9

                                      SHA512

                                      6af1507a12089ba403ad5af812bcc8b0854a99403863bc57e5d9772d09ac1b5cb8adfa805fa6e7367bf4899e8eeefd5479f0e1ada07ba75afdb5a5af65613150

                                    • memory/1928-29-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-6-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-4-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-0-0x0000000000400000-0x0000000000470000-memory.dmp

                                      Filesize

                                      448KB

                                    • memory/1928-5-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-8-0x0000000002350000-0x0000000002351000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1928-7-0x0000000000660000-0x0000000000662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1928-9-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-14-0x0000000000660000-0x0000000000662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1928-10-0x0000000000660000-0x0000000000662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1928-27-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-17-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-30-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-19-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-20-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-21-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-22-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-23-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-25-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-26-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-15-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-1-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-18-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-32-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-34-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-37-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-39-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-41-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-43-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-45-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-47-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-54-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-56-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-58-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-60-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-61-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-62-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-64-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-66-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-68-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-70-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-72-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-3-0x0000000002370000-0x00000000033FE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1928-82-0x0000000000400000-0x0000000000470000-memory.dmp

                                      Filesize

                                      448KB