Analysis

  • max time kernel
    107s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 22:06

General

  • Target

    38fd2c6d37c3905203021ac69b530ca0N.exe

  • Size

    3.0MB

  • MD5

    38fd2c6d37c3905203021ac69b530ca0

  • SHA1

    455c2e65bc14eaa02bde86e45b55908af68f8d0c

  • SHA256

    5641954e5f31c426969f01385ef941a925eda503a5e410d334e7c127d01e5976

  • SHA512

    b5c8449101d1bcf90148b30712c3ed3856e76bf4e19466908f62fbf7a881b0e8ee822fe2004f2156d8faff844a465b3050f5b3707d87e9b0b7101dcbb5f585e9

  • SSDEEP

    49152:ARefbRq+svmn5ZEzj3hbG9WDwAFSQrQRAqlqbqzNqAPdjJU:oefb4+qmn4z1bG9ESMQqMjq

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.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 10 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
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:340
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2620
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2636
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2768
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3492
                  • C:\Users\Admin\AppData\Local\Temp\38fd2c6d37c3905203021ac69b530ca0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\38fd2c6d37c3905203021ac69b530ca0N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • 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 WriteProcessMemory
                    • System policy modification
                    PID:1056
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • 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:4008
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4072
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3184
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3956
                            • 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:3244
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3280
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4256
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1808

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/1056-0-0x0000000000400000-0x0000000000714000-memory.dmp

                                      Filesize

                                      3.1MB

                                    • memory/1056-5-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-9-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-6-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-10-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-14-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-23-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1056-30-0x0000000000400000-0x0000000000714000-memory.dmp

                                      Filesize

                                      3.1MB

                                    • memory/1056-18-0x000000006EB30000-0x000000006EB40000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/1056-26-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-13-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-12-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1056-11-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1056-3-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-4-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/1056-8-0x0000000003D50000-0x0000000003D51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1056-7-0x0000000003D00000-0x0000000003D02000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1056-1-0x00000000025F0000-0x000000000367E000-memory.dmp

                                      Filesize

                                      16.6MB