Analysis

  • max time kernel
    155s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 20:55

General

  • Target

    NEAS.e227b03c6958e4c07e728cc964901ce0.exe

  • Size

    650KB

  • MD5

    e227b03c6958e4c07e728cc964901ce0

  • SHA1

    9db3ee0af4708e51ce2f0d379b7c17b15e999028

  • SHA256

    6d3caa2753025c2920f3f8a97614fce47ea56768d55d0c2914aa20af658597a1

  • SHA512

    e89a0da2e89d0a23da0dd21bf2ee61f6800a9f3f2445df00201f73c81d146df90df5251eea9fea9ee9d09ced6c0e5676c7079411e43c9a09f09f054d03ce633c

  • SSDEEP

    12288:0SkAc2YZ6jcd1DaB0BYOrHgKwObBhyD9dxzOWsGpd4Lzo/Z2BuYg6ZBGU+7rCPHr:0S1cdM+1WB0BNAnObrs9dxzOPGpKWZ4b

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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 22 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 6 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 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:756
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3892
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:4000
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
          1⤵
            PID:460
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:1552
            • 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:4348
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2176
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3496
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3980
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3780
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3660
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3416
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3292
                              • C:\Users\Admin\AppData\Local\Temp\NEAS.e227b03c6958e4c07e728cc964901ce0.exe
                                "C:\Users\Admin\AppData\Local\Temp\NEAS.e227b03c6958e4c07e728cc964901ce0.exe"
                                2⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Loads dropped DLL
                                • Windows security modification
                                • Checks whether UAC is enabled
                                • Enumerates connected drives
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:2996
                                • \??\c:\5e7d599030a6fcc2096af1ee3e2cbc\update\update.exe
                                  c:\5e7d599030a6fcc2096af1ee3e2cbc\update\update.exe
                                  3⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  • Drops file in Windows directory
                                  PID:1528
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2652
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2456
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2432
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:336
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:764
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:1380
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1600
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:1800

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\5e7d599030a6fcc2096af1ee3e2cbc\_sfx_.dll

                                              Filesize

                                              25KB

                                              MD5

                                              ee207e35aea4d5df41d90221e1b66efa

                                              SHA1

                                              757469cf9ad2f21f267bbe730560114fdf8a89a5

                                              SHA256

                                              cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64

                                              SHA512

                                              43e9f75725daa4f3428b2d9cee2c2cc8b2f2e991b8e58d72d2f429fbdfb614c86d172f03d3f9da98756bd4e245643d9a57c6efa422d6c60ad364a2322245542d

                                            • C:\5e7d599030a6fcc2096af1ee3e2cbc\update\update.exe

                                              Filesize

                                              718KB

                                              MD5

                                              63f5a5654e20219858b52186cc7bb5dd

                                              SHA1

                                              9cc028e3e19bad20f124c0cdac0b9fa8757d95f9

                                              SHA256

                                              cd37671de7e7ce8594166eab8bf4548e01f9ca2ca6549d82d24fff8888f4915d

                                              SHA512

                                              b022eaca3b53abdaf2e957e159c24954b82aa3c80b22e4e904d54f21ee7e86b54b95fc444facf45c6e01f8d4ab4cb255ef432435406578bd86312f2155ea151f

                                            • C:\5e7d599030a6fcc2096af1ee3e2cbc\update\updspapi.dll

                                              Filesize

                                              344KB

                                              MD5

                                              f1616bb80ffd31151492c2dfb094538c

                                              SHA1

                                              68fe324dc1923a9b2f79fc0b6d569ef7f01d3b83

                                              SHA256

                                              ddd09d687d45ef6eebeb81bfcf72006de39ea774bafcab23ea3c2ea13d237e47

                                              SHA512

                                              54eca6c491eeda58812defdc842194cae2208925d5f5ccd8825d6c4caf402b2ed5c643d2c5d2584cfff54d4f58d1c76838fe23d08bd2b96cbefb69ec4f000c07

                                            • C:\5e7d599030a6fcc2096af1ee3e2cbc\update\updspapi.dll

                                              Filesize

                                              344KB

                                              MD5

                                              f1616bb80ffd31151492c2dfb094538c

                                              SHA1

                                              68fe324dc1923a9b2f79fc0b6d569ef7f01d3b83

                                              SHA256

                                              ddd09d687d45ef6eebeb81bfcf72006de39ea774bafcab23ea3c2ea13d237e47

                                              SHA512

                                              54eca6c491eeda58812defdc842194cae2208925d5f5ccd8825d6c4caf402b2ed5c643d2c5d2584cfff54d4f58d1c76838fe23d08bd2b96cbefb69ec4f000c07

                                            • C:\Users\Admin\AppData\Local\Temp\0E57A316_Rar\NEAS.e227b03c6958e4c07e728cc964901ce0.exe

                                              Filesize

                                              578KB

                                              MD5

                                              5509033934ddb6103912f88e6845f201

                                              SHA1

                                              655420507a4810a762d4c4c035bdebd7bec76d12

                                              SHA256

                                              d7beafb42076f26b0568d3b93c775ddbf39bdbaca8571c7bcea9328ad8ad7386

                                              SHA512

                                              cac41275627f48aee3a80a8d9af7edff8f6fd55d25f2459506c232872d10378805374320afc20f8b85fb7371a2ebed998e74610aa1e4d31a800b2fd65eb44d2b

                                            • memory/1528-117-0x0000000000AC0000-0x0000000000AC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1528-93-0x0000000000AC0000-0x0000000000AC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1528-92-0x0000000000AC0000-0x0000000000AC2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1528-91-0x0000000000F40000-0x0000000000F41000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1528-80-0x00000000004E0000-0x0000000000537000-memory.dmp

                                              Filesize

                                              348KB

                                            • memory/2996-86-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-6-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-17-0x0000000005890000-0x0000000005891000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2996-15-0x00000000036F0000-0x00000000036F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2996-76-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-81-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-82-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-83-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-84-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-85-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-0-0x0000000001000000-0x00000000010B6000-memory.dmp

                                              Filesize

                                              728KB

                                            • memory/2996-87-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-61-0x00000000036F0000-0x00000000036F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2996-7-0x0000000001000000-0x00000000010B6000-memory.dmp

                                              Filesize

                                              728KB

                                            • memory/2996-89-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-10-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-95-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-96-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-98-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-99-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-100-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-101-0x0000000001000000-0x00000000010B6000-memory.dmp

                                              Filesize

                                              728KB

                                            • memory/2996-103-0x00000000036F0000-0x00000000036F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2996-104-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-106-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-107-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-109-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-1-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-136-0x00000000036F0000-0x00000000036F2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/2996-126-0x00000000024D0000-0x000000000355E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/2996-141-0x0000000001000000-0x00000000010B6000-memory.dmp

                                              Filesize

                                              728KB