Analysis

  • max time kernel
    40s
  • max time network
    96s
  • 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 04:39

General

  • Target

    36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe

  • Size

    728KB

  • MD5

    babf6025fc442ed284dc59a556a38e10

  • SHA1

    383bd7eb174ca47c13fb86214ba0aec33ee5d11e

  • SHA256

    36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593

  • SHA512

    823c2fb6446edb1df3a765cdee8fbc2bdd32dc273ec0d6b9a69f48dc83ead46269293c30f6be7dad2cff170c4931c4267c03e62641bd75213a19f55cc37b06c8

  • SSDEEP

    12288:TTyjXW+48qWywrU4kGFezOAVuJ5PI9ww7F5DO3HYffw4q4:PIXW/8yw1ez54lIdF5SXYHw4q4

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 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
  • 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 36 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2316
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:1400
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3104
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3392
                  • C:\Users\Admin\AppData\Local\Temp\36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
                    "C:\Users\Admin\AppData\Local\Temp\36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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:3916
                    • 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
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops file in Program Files directory
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:3024
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3740
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3836
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3900
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3984
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3384
                            • 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:400
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1852

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E5798F4_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  2eb5d76180ce7b3241b281fa79ab3483

                                  SHA1

                                  06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                  SHA256

                                  e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                  SHA512

                                  35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

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

                                  Filesize

                                  728KB

                                  MD5

                                  babf6025fc442ed284dc59a556a38e10

                                  SHA1

                                  383bd7eb174ca47c13fb86214ba0aec33ee5d11e

                                  SHA256

                                  36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593

                                  SHA512

                                  823c2fb6446edb1df3a765cdee8fbc2bdd32dc273ec0d6b9a69f48dc83ead46269293c30f6be7dad2cff170c4931c4267c03e62641bd75213a19f55cc37b06c8

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  7a29cfd5cb807647b14d358857ba80c9

                                  SHA1

                                  c9585d3f0e40f343d89f8e0aa32156c70542b2a5

                                  SHA256

                                  395d9e973948bc8a54821e1051aebc06b0424c837d850f968b05c6f41e286833

                                  SHA512

                                  cb392d083abf803590032fe8ae22a2018ed3b1eb87603fdb6475ea7d5df0b9454744cee60b01ef192a494d2060f3c54fdf6671c691798b107d76c0160e6265fa

                                • C:\ktlps.pif

                                  Filesize

                                  97KB

                                  MD5

                                  86f38d1dacaa5f50a84ece1950068844

                                  SHA1

                                  1438be506d9d39b5629daa1bb215fccf50615a0d

                                  SHA256

                                  3feaffafea8e7f824e3a90218ee7adc0ce7a7f1c3af2458c6da476cc766de34d

                                  SHA512

                                  e4ec7a35641e09108789840c736d8f99a5907fc723577416d150ade7140e82f1253cd3389cc7f15d05357b0e5237c7035d3e3ef1b04455ea2b0369242bfedd5c

                                • memory/3024-76-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-48-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/3024-142-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/3024-98-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-89-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-88-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-60-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-86-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-85-0x0000000000A10000-0x0000000000A12000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3024-84-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-82-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-56-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-81-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-80-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-77-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-59-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-78-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-75-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-74-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-58-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-69-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-72-0x0000000000A10000-0x0000000000A12000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3024-73-0x0000000000A10000-0x0000000000A12000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3024-71-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-68-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-70-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-57-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-55-0x0000000004F60000-0x000000000601A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3024-62-0x00000000030D0000-0x00000000030D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3916-29-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-25-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-3-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-20-0x00000000062B0000-0x00000000062B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-52-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/3916-5-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-0-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/3916-6-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-39-0x00000000062B0000-0x00000000062B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-10-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-28-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-13-0x00000000062B0000-0x00000000062B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-24-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-23-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-21-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-14-0x0000000006700000-0x0000000006701000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3916-12-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-22-0x00000000062B0000-0x00000000062B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-4-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-11-0x0000000003390000-0x000000000444A000-memory.dmp

                                  Filesize

                                  16.7MB