Analysis

  • max time kernel
    128s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2023 05:44

General

  • Target

    NEAS.8fff7224b9f6797279e62dfbfb870930.dll

  • Size

    120KB

  • MD5

    8fff7224b9f6797279e62dfbfb870930

  • SHA1

    de5caa8f4b212becf6e382814486d67fe49a0b94

  • SHA256

    94ea29d351ddfecddcd8a0305410a907bf040c698da284e99ed5d086b9101c10

  • SHA512

    2583550ad57f9a2fc888585d97ea9a4e4fbdd1873a46b4929aba27b65cf93c07b9f05e7c0ef79606dea12da9d2ccf87f22ddd1b90fb8431094eb484254b8cabf

  • SSDEEP

    3072:z/MdUoyNpQtWTbTLEGpWcctXQ9i2ofKB3:zMRyTQtWT/LEGkfKB

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 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 29 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:68
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3932
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
          PID:3872
        • 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:5112
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:2072
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:4312
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4960
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3792
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:4024
                    • C:\Windows\system32\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.8fff7224b9f6797279e62dfbfb870930.dll,#1
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3144
                      • C:\Windows\SysWOW64\rundll32.exe
                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.8fff7224b9f6797279e62dfbfb870930.dll,#1
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2052
                        • C:\Users\Admin\AppData\Local\Temp\e580c9d.exe
                          C:\Users\Admin\AppData\Local\Temp\e580c9d.exe
                          3⤵
                          • Modifies firewall policy service
                          • UAC bypass
                          • Windows security bypass
                          • Executes dropped EXE
                          • 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:4192
                        • C:\Users\Admin\AppData\Local\Temp\e581008.exe
                          C:\Users\Admin\AppData\Local\Temp\e581008.exe
                          3⤵
                          • Executes dropped EXE
                          PID:5104
                        • C:\Users\Admin\AppData\Local\Temp\e58298c.exe
                          C:\Users\Admin\AppData\Local\Temp\e58298c.exe
                          3⤵
                          • Modifies firewall policy service
                          • UAC bypass
                          • Windows security bypass
                          • Executes dropped EXE
                          • Windows security modification
                          • Checks whether UAC is enabled
                          • Drops file in Windows directory
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:4092
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3708
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3472
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3220
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2516
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2396
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2380
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:800
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:796
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:396
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:820
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2044

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e580c9d.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e580c9d.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e581008.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e581008.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e58298c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e58298c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Users\Admin\AppData\Local\Temp\e58298c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2f56e6cad6cab10b12cccfffe3717cea

                                            SHA1

                                            1f8ddf0527d90f2cd45d517706447f7039c01b78

                                            SHA256

                                            28a1d7112982fc5c2606de98ca85e2e1e3c92accdc69fb8a3ba5fee8a1d4052f

                                            SHA512

                                            257f983aed9f7090ff7a87c41a6257d15dff0fa90dd0483d0999b84bd19997734b1c5985342f48f0497ccef40d7f77ff25de4ae7c7751610126d1c902c74dc9a

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            b75564365869331e650a50251f043a6e

                                            SHA1

                                            8dba87d4f1469b5e39339637582a0df7951637a1

                                            SHA256

                                            b6a526c3a66b4f2fd2168f74c4f6338cee544c9c73b1de7336e4eb85119179c3

                                            SHA512

                                            e167423a38d878799160c3862c699a1e9659822dbd926a6a9d7a0ebcb52864abd0be100b4f5f08c728020086e827152654d7b2bfabc2a5b9a2c9bd874f63233e

                                          • memory/2052-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/2052-43-0x0000000001460000-0x0000000001462000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2052-15-0x0000000001460000-0x0000000001462000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2052-11-0x0000000001460000-0x0000000001462000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2052-12-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4092-94-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-103-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-95-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-96-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-93-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-104-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-91-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4092-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4092-121-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4092-122-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-98-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4092-46-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4192-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-69-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-47-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4192-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-7-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-57-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-58-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-59-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-60-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-80-0x0000000003520000-0x0000000003522000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4192-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4192-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-14-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4192-19-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4192-21-0x0000000003520000-0x0000000003522000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/5104-23-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/5104-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/5104-86-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/5104-49-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/5104-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB