Analysis

  • max time kernel
    1s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2024 15:58

General

  • Target

    356ef5809f6cc59fe8fc235227cf7d0a.exe

  • Size

    127KB

  • MD5

    356ef5809f6cc59fe8fc235227cf7d0a

  • SHA1

    9497dea7027eb424be81bb0ce8e9d2ca29c641b8

  • SHA256

    5b115902317031ba82b5243375ebb7f05df86e300e7d7bca993fd0d418938dca

  • SHA512

    6cdbbb003ce8337cccaa1c2cc6fa0248fd9802c0854c94377961112e98fe3a349ae3387fe9a9ab9bc2b6beb000165d164d2c00a66a39f7707cb84b33707aea02

  • SSDEEP

    3072:DK0qv+pw/MLaC2h84wSHda5aNP4GQjAkxnqNSaBH:RqvO9LaCbSA5ggQkxnPal

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 14 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:316
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2604
      • C:\Users\Admin\AppData\Local\Temp\356ef5809f6cc59fe8fc235227cf7d0a.exe
        "C:\Users\Admin\AppData\Local\Temp\356ef5809f6cc59fe8fc235227cf7d0a.exe"
        1⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1592
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:744
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:2472
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:4964
            • 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:3956
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2324
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4160
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:4092
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4004
                      • 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\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3832
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3664
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3492
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2464
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2452
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:772
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:776

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/1592-0-0x0000000000400000-0x000000000041A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/1592-2-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-4-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-5-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-9-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1592-10-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-11-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-7-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1592-12-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-6-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1592-13-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-14-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-15-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-16-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-17-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-18-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-19-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-20-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-22-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-23-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-24-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-26-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-27-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-29-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-31-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-34-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-36-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-38-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-40-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-47-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-49-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-51-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-52-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-53-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-55-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-57-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1592-58-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-60-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-62-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-64-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-66-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-68-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1592-69-0x00000000021B0000-0x000000000323E000-memory.dmp

                                        Filesize

                                        16.6MB