Analysis

  • max time kernel
    122s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 21:16

General

  • Target

    31d8bb99f31741e0d706c7171348a68da6d5fd8f5f4dcd007d1d3329a107d895.exe

  • Size

    2.6MB

  • MD5

    9f8ef9f26806547501d40079488877d4

  • SHA1

    d75542433696c544a2266c5dc17a937baf5d468c

  • SHA256

    31d8bb99f31741e0d706c7171348a68da6d5fd8f5f4dcd007d1d3329a107d895

  • SHA512

    079b3c1c7984ac40f0e1116a19f1a719459d28779d2464f1aa450dfe6e35fc2745a5f28a6ba3cd91eb5394d2624f6d41e1301d1177032d21bead16c0a75189a7

  • SSDEEP

    49152:4qeN9mJIwe9X/E4dIzSY3G//Iisfy5lKXpGgMTr1:lI9CIwe9XMcIz72/Qisf6lYMTr1

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
  • 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 36 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • 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 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:760
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2836
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2852
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1036
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3404
                  • C:\Users\Admin\AppData\Local\Temp\31d8bb99f31741e0d706c7171348a68da6d5fd8f5f4dcd007d1d3329a107d895.exe
                    "C:\Users\Admin\AppData\Local\Temp\31d8bb99f31741e0d706c7171348a68da6d5fd8f5f4dcd007d1d3329a107d895.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:3428
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3892
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3348
                            • 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:4068
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3132

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\npkq.pif

                                  Filesize

                                  97KB

                                  MD5

                                  1d2182515a5da50f958142f1e30da70d

                                  SHA1

                                  55a6e1740aa7f6c63892bd2fd5a08355c5d4d110

                                  SHA256

                                  56d5c64668802cd65d3454d0676b4a5f4c5c1491cdfc6a9193a0842a7bab189f

                                  SHA512

                                  be136888239fd91452fd8df706d6d264f64c85a59b512b12b0fb39fcf8f3777c169ad563e64e665cf75e111a5d6d76e5e09623c9ff6677a2beb52634418ec6c5

                                • memory/3428-31-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-23-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-4-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-7-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-6-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-17-0x0000000004240000-0x0000000004241000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3428-8-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-22-0x0000000004270000-0x0000000004272000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3428-21-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-19-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-9-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-11-0x0000000004280000-0x0000000004281000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3428-10-0x0000000004270000-0x0000000004272000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3428-35-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-20-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-34-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-24-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-25-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-27-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-26-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-29-0x0000000000400000-0x000000000069D000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/3428-0-0x0000000000400000-0x000000000069D000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/3428-5-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-32-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-18-0x0000000004270000-0x0000000004272000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3428-37-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-40-0x0000000004240000-0x0000000004241000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3428-46-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-49-0x0000000004270000-0x0000000004272000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3428-50-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-53-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-54-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-56-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-58-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-61-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-63-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-65-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-68-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-70-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-71-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-73-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-75-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-77-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-79-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3428-3-0x0000000002670000-0x000000000372A000-memory.dmp

                                  Filesize

                                  16.7MB