Analysis

  • max time kernel
    39s
  • max time network
    150s
  • 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 21:27

General

  • Target

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe

  • Size

    736KB

  • MD5

    c5112174663df732115a9cd7d414d97a

  • SHA1

    f7b92adc87f580fa9b0a616385193bcfa5c25db9

  • SHA256

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

  • SHA512

    682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

  • SSDEEP

    12288:YTyjXW+48qWywrU4kGFezOAVuJ5PIRww7F5DO3HYff24r55:2IXW/8yw1ez54lI5F5SXYHj7

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 37 IoCs

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

  • 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 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:316
        • 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:2536
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe
                    "C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.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:4072
                    • 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 Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:1856
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4048
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1412
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:4756
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:860

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57D457_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  8ca8216260b4f5e0d6e1132e49d1d25a

                                  SHA1

                                  c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

                                  SHA256

                                  ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

                                  SHA512

                                  0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

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

                                  Filesize

                                  736KB

                                  MD5

                                  c5112174663df732115a9cd7d414d97a

                                  SHA1

                                  f7b92adc87f580fa9b0a616385193bcfa5c25db9

                                  SHA256

                                  3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

                                  SHA512

                                  682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  fca05c0f3a2f2fe096cda852081dbc8b

                                  SHA1

                                  fb1e8d33fb4c2b2aac796814f3b17e5bc99685b5

                                  SHA256

                                  d817307236a92a00f74e886c7fbd07f806eb186719ba331a65b940ff7b35e21a

                                  SHA512

                                  1206af48671354a6d6b6b98f27a0a97581e3033e152c5aa95ec9477548f101cb0b1c5237b12818674e575294cfb9627cca80a5fc4ae07e3ee09d78fb45502441

                                • C:\gfuil.pif

                                  Filesize

                                  97KB

                                  MD5

                                  dee7cef6256cf4b7a7f051b8d3884f8a

                                  SHA1

                                  6ea8c80255db3fdb2bc5bdfc0d89da8a230fdb9b

                                  SHA256

                                  0d594dd922a5c2e7c8c4077a40dd2141380989b2cd14b785374f5c104b65b489

                                  SHA512

                                  4dcda1cfca1cefa1734818677c4421752fe61227fdcfda347262e97f0d0a60902499860871b957b946dcbe1f5a5ccc9dc8f0f09565bef19bfd682a9ce7b25649

                                • memory/1856-74-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-77-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-141-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/1856-90-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-86-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-85-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-71-0x0000000008600000-0x0000000008602000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1856-84-0x0000000008600000-0x0000000008602000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1856-83-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-81-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-80-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-63-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-79-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-58-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-76-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-75-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-73-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-57-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-59-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-60-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-72-0x0000000008600000-0x0000000008602000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1856-65-0x0000000008B50000-0x0000000008B51000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1856-61-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-62-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-53-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-55-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1856-56-0x0000000004EB0000-0x0000000005F6A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-28-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-25-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-5-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-3-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-6-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-49-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/4072-38-0x00000000079C0000-0x00000000079C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4072-8-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-0-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/4072-30-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-29-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-21-0x00000000079C0000-0x00000000079C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4072-27-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-23-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-20-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-16-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-4-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-7-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-18-0x00000000079C0000-0x00000000079C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4072-19-0x0000000007E10000-0x0000000007E11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4072-1-0x0000000002E60000-0x0000000003F1A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4072-22-0x00000000079C0000-0x00000000079C2000-memory.dmp

                                  Filesize

                                  8KB