Analysis

  • max time kernel
    78s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 23:35

General

  • Target

    a8b7fe46cddfd3c61dfc69a50bd852ae3e95a2920c86d20584d7d946d19fb126.dll

  • Size

    120KB

  • MD5

    63a2756edfea8294af2c01feccc54878

  • SHA1

    9858724e37a5b2375f8957d61b9cec4914aba372

  • SHA256

    a8b7fe46cddfd3c61dfc69a50bd852ae3e95a2920c86d20584d7d946d19fb126

  • SHA512

    d690f987d1e154cecf0b5e70c446efa9ff2d6a7ed6bfab31d865a825cb2c83e59717b859d5b8b3113e78c8876d27beef633fd22802d6b485e001c3b962b2ccf7

  • SSDEEP

    3072:TP+u6Fbej60Mg40zCeJVmM4gU2At/2IA+4g:rD6FbejIgnFTmM48AdAr

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 4 IoCs
  • UPX packed file 7 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 14 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 60 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:3144
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:3340
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3500
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3424
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:3584
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3836
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2476
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4988
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3052
                        • C:\Windows\system32\rundll32.exe
                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8b7fe46cddfd3c61dfc69a50bd852ae3e95a2920c86d20584d7d946d19fb126.dll,#1
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:4212
                          • C:\Windows\SysWOW64\rundll32.exe
                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8b7fe46cddfd3c61dfc69a50bd852ae3e95a2920c86d20584d7d946d19fb126.dll,#1
                            3⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4148
                            • C:\Users\Admin\AppData\Local\Temp\e571e75.exe
                              C:\Users\Admin\AppData\Local\Temp\e571e75.exe
                              4⤵
                              • 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:2252
                            • C:\Users\Admin\AppData\Local\Temp\e572933.exe
                              C:\Users\Admin\AppData\Local\Temp\e572933.exe
                              4⤵
                              • Executes dropped EXE
                              PID:2416
                            • C:\Users\Admin\AppData\Local\Temp\e572a5c.exe
                              C:\Users\Admin\AppData\Local\Temp\e572a5c.exe
                              4⤵
                              • Executes dropped EXE
                              PID:3508
                            • C:\Users\Admin\AppData\Local\Temp\e572cbd.exe
                              C:\Users\Admin\AppData\Local\Temp\e572cbd.exe
                              4⤵
                              • 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:2120
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2448
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2348
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2332
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:332
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:796

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e571e75.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e571e75.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572933.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572933.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572a5c.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572a5c.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572cbd.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Users\Admin\AppData\Local\Temp\e572cbd.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f25de338c7ea06709e3e2e8469f00af0

                                  SHA1

                                  89f23481deb3c0b02254b3639f3b0be06dd93060

                                  SHA256

                                  8d7be3116b8551dea2c55a15bd263865d2264e22e32e1421d4a02c5eb75553c2

                                  SHA512

                                  c350dec6a4ffa4a5c990e6f3e2b4212e423701e4c1748c83c686574dcd6603633d30002877329697a1121edf7dec036fcfb88f00a7700ad318ee03f5a01ac4f3

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  96715755c7bf3e9deb5b029d182a15b2

                                  SHA1

                                  8e4d285472eef3333156bc0e08dbd6ba0fa4ed94

                                  SHA256

                                  fdd88e31604434c2c7c9685eb4b4d758577e9692476cd197c810f2d21d3e6f91

                                  SHA512

                                  9adad2bbddf707618d82c5899c1501940d31f3ac56ad2466f4ad646562dd7ac812fc2a823ec7c304ac5844b8d71ca457748b1d8a530b027c5f72142fde749c0c

                                • memory/2120-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2120-157-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2120-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2120-160-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2120-161-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2252-153-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2252-139-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2252-137-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2252-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2252-152-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2416-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2416-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3508-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3508-156-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3508-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4148-133-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB