Analysis

  • max time kernel
    119s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 20:29

General

  • Target

    3fb1fde5e19063c533ac24eb9223647839954268b94e9ecc7bb15c47ef162b21.exe

  • Size

    73KB

  • MD5

    7429060410e6daab4c02fa8e4be316d2

  • SHA1

    45dadaed8da7981ce4336abc6389463ff1b19abd

  • SHA256

    3fb1fde5e19063c533ac24eb9223647839954268b94e9ecc7bb15c47ef162b21

  • SHA512

    8a88874e57bd4ebda7680467fac233d035db52e601566c966d28151044c0c795a99e26257bc18f71481085f0a76884b87704a2af9659bee78f6d0afd29e800b4

  • SSDEEP

    1536:vSuvOvy82zQzafNZhZo855OYCKEH7P9UrtXvw3JJoarv9V1GFVWrI6tUb/Gn0A:DWvyzzLNZhya5OdXz9UrtXvw5JoKv9V3

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 41 IoCs

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

  • Drops file in Program Files directory 11 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 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • 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:2496
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3588
                  • C:\Users\Admin\AppData\Local\Temp\3fb1fde5e19063c533ac24eb9223647839954268b94e9ecc7bb15c47ef162b21.exe
                    "C:\Users\Admin\AppData\Local\Temp\3fb1fde5e19063c533ac24eb9223647839954268b94e9ecc7bb15c47ef162b21.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1704
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3712
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3888
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3980
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4044
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:684
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3676
                            • 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:2432
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5036

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\rxxam.pif

                                  Filesize

                                  100KB

                                  MD5

                                  cc6dbc4844295cb9ca97d51f8467c15b

                                  SHA1

                                  072cf116c869d2945530185eb7f03b15e7aad9a5

                                  SHA256

                                  39c2626e1b73f63a992669f192a44d3648e7ddcf8504dda7cd22fc879bfce69b

                                  SHA512

                                  14a550ff5a12eee42ff896119a33d2e43068a1483c9599c4f8e2a40393e83a3b8e6cbc868a24275a48a581dbf31e5ede3e395c9ae15e2b794c8e3a4398217947

                                • memory/1704-29-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-3-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-14-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1704-12-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-7-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-13-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-10-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-8-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1704-4-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-31-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                  Filesize

                                  80KB

                                • memory/1704-9-0x0000000003460000-0x0000000003461000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1704-15-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-17-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-16-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-18-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-19-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-20-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-22-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-23-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-24-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-25-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-6-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-27-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1704-5-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-33-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-34-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-36-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-38-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-39-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-40-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-46-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-47-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-49-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-50-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-51-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-53-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-55-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-59-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-61-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-62-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-63-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-64-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-66-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-68-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-70-0x00000000022D0000-0x000000000335E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1704-11-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1704-79-0x0000000000400000-0x0000000000414000-memory.dmp

                                  Filesize

                                  80KB