Analysis

  • max time kernel
    95s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 00:53

General

  • Target

    98f47c52ba4b7b5f8168f3020fa27593fc76ff08ee81e0a626d7abc052a1d549.exe

  • Size

    736KB

  • MD5

    f08aa7586a3cfac3467e4085a679b4bf

  • SHA1

    8f8394c02c0c661ac07071c4afa2bd60254c5da7

  • SHA256

    98f47c52ba4b7b5f8168f3020fa27593fc76ff08ee81e0a626d7abc052a1d549

  • SHA512

    f681db040eec9fc2d76d2374e39751b97b465ebbfa1ec598ddd2196393c436445718ef32bcefba8247ea39384006cbcefa907f5c1575f8ad52744658ef0f5193

  • SSDEEP

    12288:ITyjXW+48qWYprU4kGFezOAVuJ5PIAww7F5DO3HYffuIukcAZo:GIXW/8Yp1ez54lIWF5SXYHuLr

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 15 IoCs
  • UPX dump on OEP (original entry point) 16 IoCs
  • UPX packed file 15 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • 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:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2824
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3532
                  • C:\Users\Admin\AppData\Local\Temp\98f47c52ba4b7b5f8168f3020fa27593fc76ff08ee81e0a626d7abc052a1d549.exe
                    "C:\Users\Admin\AppData\Local\Temp\98f47c52ba4b7b5f8168f3020fa27593fc76ff08ee81e0a626d7abc052a1d549.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • 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:2908
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3676
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3876
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3964
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4024
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1308
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3820
                            • 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:5004
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4660
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1800

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/2908-0-0x0000000000400000-0x00000000004C0000-memory.dmp

                                    Filesize

                                    768KB

                                  • memory/2908-1-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-5-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-9-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-6-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-18-0x0000000004160000-0x0000000004162000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2908-13-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-14-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-7-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-8-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-4-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-17-0x0000000004160000-0x0000000004162000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2908-16-0x0000000004170000-0x0000000004171000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2908-15-0x0000000004160000-0x0000000004162000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2908-20-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-19-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-22-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-24-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-23-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2908-41-0x0000000000400000-0x00000000004C0000-memory.dmp

                                    Filesize

                                    768KB

                                  • memory/2908-26-0x0000000002F80000-0x000000000400E000-memory.dmp

                                    Filesize

                                    16.6MB