Analysis

  • max time kernel
    123s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2023, 02:35

General

  • Target

    NEAS.a60431271bb100a7ee555430ea2bd3f0.exe

  • Size

    65KB

  • MD5

    a60431271bb100a7ee555430ea2bd3f0

  • SHA1

    afed7eba56621657e6d1637ab580e8024b07b302

  • SHA256

    e34878af21a8a0373f853b4a2fc4b15314c2679be9ef956143af5652de4ccfaa

  • SHA512

    7aec31b43cb0a9c81850bb002d7e503043df55b88cb274c57a3cccd436af6354b003e374cafa1ec6a8ed232945c58bc35e9f84cbf800eba90deefcefe4806147

  • SSDEEP

    1536:E4TErRQ8gBECHF+J3qWpLCQum/G3tJN5w0z:EOyFOnWU7me3LN59

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 36 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
  • 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.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • 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:812
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:400
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3908
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:832
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:4024
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:1268
              • 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:992
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2096
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4108
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:4000
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3768
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3680
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3448
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3276
                                • C:\Users\Admin\AppData\Local\Temp\NEAS.a60431271bb100a7ee555430ea2bd3f0.exe
                                  "C:\Users\Admin\AppData\Local\Temp\NEAS.a60431271bb100a7ee555430ea2bd3f0.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
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:3804
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2764
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2440
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2396
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:820
                                      • C:\Windows\System32\wuapihost.exe
                                        C:\Windows\System32\wuapihost.exe -Embedding
                                        1⤵
                                          PID:4492
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3104
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:536
                                            • C:\Windows\system32\backgroundTaskHost.exe
                                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                              1⤵
                                                PID:2256
                                              • C:\Windows\system32\BackgroundTransferHost.exe
                                                "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                                1⤵
                                                  PID:4392

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • F:\bkjjok.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  d78b8d223235305146636b7a27d07243

                                                  SHA1

                                                  cee78e33eaea6f3180cb4d885580562f8ba219f1

                                                  SHA256

                                                  490a7f2e1a264ab5dc1089ae0c71bcca3ce96dc4e78b78d856165cbcbaf0afed

                                                  SHA512

                                                  7d0e1c85b8cadfaa18446e89121682d0a3aef24074560098339291b23e100c18dc1aa6ab1ede5648599e9258fee670da117e44579f65fac7868d5c7e922da146

                                                • memory/3804-30-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-41-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-5-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-7-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3804-9-0x0000000003930000-0x0000000003932000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3804-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-17-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-18-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-19-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-21-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-22-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-23-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-24-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-25-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-26-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-28-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-29-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3804-4-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-40-0x0000000003930000-0x0000000003932000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3804-6-0x0000000003930000-0x0000000003932000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3804-43-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-46-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-48-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-50-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-52-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-54-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-56-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-58-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-62-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-66-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-68-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-70-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-2-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-80-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-82-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-84-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3804-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB