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Analysis

  • max time kernel
    43s
  • max time network
    98s
  • 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, 00:26

General

  • Target

    caf6d5f945e7f30e0b4c0b37eb5a7302d5da16fbb07d40692c2ac436800f4b9aN.exe

  • Size

    744KB

  • MD5

    580c3462d3e36fe68d10cdb8a3ce0ef0

  • SHA1

    c70c210e878d8d168fa80366a4a9daefaf012083

  • SHA256

    caf6d5f945e7f30e0b4c0b37eb5a7302d5da16fbb07d40692c2ac436800f4b9a

  • SHA512

    5519cac53b7da2f4dbae5826721b62a16b0c5143e55b7e400d3d16560e2f23dd5259140c1da6eccb2c503caf1f6e25d094a3b703027fce8036d51a9222cfbed3

  • SSDEEP

    12288:sTyjXW+48qWywrU4kGFezOAVuJ5PIOww7F5DO3HYffDZfC2ZALvjsxm:aIXW/8yw1ez54lIgF5SXYHRCZzT

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
  • 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 38 IoCs

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

  • Drops file in Program Files directory 4 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2544
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2552
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2668
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3356
                  • C:\Users\Admin\AppData\Local\Temp\caf6d5f945e7f30e0b4c0b37eb5a7302d5da16fbb07d40692c2ac436800f4b9aN.exe
                    "C:\Users\Admin\AppData\Local\Temp\caf6d5f945e7f30e0b4c0b37eb5a7302d5da16fbb07d40692c2ac436800f4b9aN.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
                    • 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:3488
                    • 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
                      • 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:1136
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3704
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3868
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3960
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3900
                            • 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:5000
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1616

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57C67C_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  2eb5d76180ce7b3241b281fa79ab3483

                                  SHA1

                                  06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                  SHA256

                                  e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                  SHA512

                                  35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

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

                                  Filesize

                                  744KB

                                  MD5

                                  580c3462d3e36fe68d10cdb8a3ce0ef0

                                  SHA1

                                  c70c210e878d8d168fa80366a4a9daefaf012083

                                  SHA256

                                  caf6d5f945e7f30e0b4c0b37eb5a7302d5da16fbb07d40692c2ac436800f4b9a

                                  SHA512

                                  5519cac53b7da2f4dbae5826721b62a16b0c5143e55b7e400d3d16560e2f23dd5259140c1da6eccb2c503caf1f6e25d094a3b703027fce8036d51a9222cfbed3

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  e801fe1596e198a9475bb17193380ac2

                                  SHA1

                                  43e0cc557c1a4e4dd7a95d46b6ae915a07af5b11

                                  SHA256

                                  3b8cdd9d8d01e2bcf2f47d4922b0d9f1d29f73fc3084f2793518e7c6ebec41a8

                                  SHA512

                                  fcbea88fd0a8188e258d2586839c9f6960dcb38d87c5264bbd49818d2cde8b3a2a9f4f3a0a8fec6f34a8aee75a0843b87917c73f050944434bee72f53655045f

                                • C:\rsqnwr.exe

                                  Filesize

                                  100KB

                                  MD5

                                  0a74240c4e19b39019c285091aba70ea

                                  SHA1

                                  93c6e223c3d624f840df0f0c7bcf4883eb02140e

                                  SHA256

                                  9b56eeaa74bf4b3a3d1d23f81a7bae501d13626232e1e2faf75e68159e882647

                                  SHA512

                                  030fd5a9e765c13261398cd615091f92b94b424ae45f12173d7da602d62da069871764ecb2a4b2a93dd0c7e82495c75c8b2fde306b9aa50b81099798c0940d6d

                                • memory/1136-67-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-69-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-125-0x0000000000400000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  776KB

                                • memory/1136-90-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-89-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-88-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-86-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-80-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-52-0x0000000000B70000-0x0000000000B71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1136-73-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-74-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-72-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1136-71-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-47-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-68-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-65-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-64-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-46-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-56-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-58-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1136-53-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-50-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-54-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-48-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-63-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-76-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-57-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1136-49-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-60-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-55-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1136-59-0x0000000004F50000-0x0000000005FDE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-4-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-8-0x0000000000930000-0x0000000000932000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3488-9-0x0000000000A50000-0x0000000000A51000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3488-13-0x0000000000930000-0x0000000000932000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3488-0-0x0000000000400000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  776KB

                                • memory/3488-31-0x0000000000930000-0x0000000000932000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3488-32-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-23-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-10-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-21-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-40-0x0000000000400000-0x00000000004C2000-memory.dmp

                                  Filesize

                                  776KB

                                • memory/3488-3-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-6-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-11-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-17-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-12-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-18-0x0000000000930000-0x0000000000932000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3488-5-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3488-7-0x00000000033C0000-0x000000000444E000-memory.dmp

                                  Filesize

                                  16.6MB