Analysis

  • max time kernel
    146s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 20:31

General

  • Target

    NEAS.938297a132251de977dbd4ed422acfc0.exe

  • Size

    65KB

  • MD5

    938297a132251de977dbd4ed422acfc0

  • SHA1

    37cf1800217212ae5ed252436b199e762cbef663

  • SHA256

    5501df0dc46d39fe60bdde0d548a16980de0fba7473b682f0501d81ad514a929

  • SHA512

    07ad7fd2b06585ac6595252eba5f14cc553c5db2ca8bfe53db1861dc89df46fbabdb1226e4d39ecbc9c16413e81e167941a4b01ecf14e41d1bfe319db59648a5

  • SSDEEP

    1536:dZTlKbNu0xh3JUeVNgbaM+0MghOICViuhLZxxhAxCGM:dZTC7jNgxRhWVdtA0GM

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 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
  • UPX packed file 15 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 2 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:1020
    • C:\Windows\system32\backgroundTaskHost.exe
      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
      1⤵
        PID:5060
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
        1⤵
          PID:4320
        • 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:5080
          • C:\Users\Admin\AppData\Local\Temp\NEAS.938297a132251de977dbd4ed422acfc0.exe
            "C:\Users\Admin\AppData\Local\Temp\NEAS.938297a132251de977dbd4ed422acfc0.exe"
            1⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3380
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4900
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4068
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3796
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3672
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3608
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3508
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3276
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3100
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2156
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2452
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2364
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2320
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:804
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:796

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • memory/3380-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3380-1-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-3-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-4-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-5-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-9-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-11-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3380-12-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3380-10-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-19-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3380-13-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-20-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-21-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-22-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-23-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-24-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-25-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3380-30-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3380-41-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB