Analysis

  • max time kernel
    34s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 04:04

General

  • Target

    3bd6577080559b895c00a53cd3d0b462b5fb6765f6614b69644d00c7b4b65ad9N.exe

  • Size

    740KB

  • MD5

    6bf28a6089bdbc78a45bd034da0bbc60

  • SHA1

    a4801b4c4466e6803c610a427a834077335d1f18

  • SHA256

    3bd6577080559b895c00a53cd3d0b462b5fb6765f6614b69644d00c7b4b65ad9

  • SHA512

    22fff280c6bd6bd7c18fce21c1b7eb935ddddec42a83e7f287430db8bc23ef1427b1dba740fb2ed03c7e1f494b4826233ed72f8e41db007bff3226885f091421

  • SSDEEP

    12288:tTyjXW+48qWywrU4kGFezOAVuJ5PI2ww7F5DO3HYffeTNdD0lr:xIXW/8yw1ez54lIIF5SXYHe305

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 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 39 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2524
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2672
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3388
                  • C:\Users\Admin\AppData\Local\Temp\3bd6577080559b895c00a53cd3d0b462b5fb6765f6614b69644d00c7b4b65ad9N.exe
                    "C:\Users\Admin\AppData\Local\Temp\3bd6577080559b895c00a53cd3d0b462b5fb6765f6614b69644d00c7b4b65ad9N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1056
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Disables RegEdit via registry modification
                      • Deletes itself
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops file in Program Files directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:3864
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2220
                              • 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:3376

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57D06F_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  2eb5d76180ce7b3241b281fa79ab3483

                                  SHA1

                                  06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                  SHA256

                                  e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                  SHA512

                                  35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                                • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                  Filesize

                                  740KB

                                  MD5

                                  6bf28a6089bdbc78a45bd034da0bbc60

                                  SHA1

                                  a4801b4c4466e6803c610a427a834077335d1f18

                                  SHA256

                                  3bd6577080559b895c00a53cd3d0b462b5fb6765f6614b69644d00c7b4b65ad9

                                  SHA512

                                  22fff280c6bd6bd7c18fce21c1b7eb935ddddec42a83e7f287430db8bc23ef1427b1dba740fb2ed03c7e1f494b4826233ed72f8e41db007bff3226885f091421

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  bcd9351b604d0246fd15b1080930d0e0

                                  SHA1

                                  f0218b428b2f2b62486f329deb359f3b0514de98

                                  SHA256

                                  17a334d79950dd783fc45616fd8b9eda91b6be22969432b077f065f53275ebb2

                                  SHA512

                                  489e28d2cfa6191b4569c904eb8ebe0e8606558f7325f098c49f29f3e54db4d1281b643dcc17b96764a53e31cf4ffce35f9e5bd2115ec761c75245cb60e53f2b

                                • C:\vaxf.pif

                                  Filesize

                                  100KB

                                  MD5

                                  1149a219437a3b0b4e7950dc51af3ccc

                                  SHA1

                                  13ce7316f1f7c11c97138f21f500444845f03196

                                  SHA256

                                  b4ee174583b85359e02b696f631694be52d63e096603421244aecd370e17d630

                                  SHA512

                                  6e7f0bdd71656d8786bc8bb5c74393d9d2b0789b6a1edbb15f138646f4e0b8ff6ed36f8beea4304c46065d24df5cb7a602b6b130837431756ea49cab722651ea

                                • memory/1056-0-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB

                                • memory/1056-1-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-3-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-5-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-12-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-6-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-13-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-14-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1056-15-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-17-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-16-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1056-4-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-10-0x00000000009C0000-0x00000000009C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1056-9-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1056-20-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-21-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-29-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1056-30-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1056-39-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB

                                • memory/3864-43-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-46-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-47-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-53-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-50-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-57-0x0000000000A30000-0x0000000000A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3864-56-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-55-0x0000000000A30000-0x0000000000A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3864-54-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-52-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-51-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-45-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-49-0x0000000000A40000-0x0000000000A41000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3864-59-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-58-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-62-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-63-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-64-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-66-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-67-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-68-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-70-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-71-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-72-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-73-0x0000000000A30000-0x0000000000A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3864-75-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-77-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-79-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-81-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-82-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-85-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3864-124-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB