Analysis

  • max time kernel
    95s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 03:20

General

  • Target

    3b2042d004c1204d836f3d59f9e02f60N.exe

  • Size

    65KB

  • MD5

    3b2042d004c1204d836f3d59f9e02f60

  • SHA1

    3071d04afc9b929a5fd40dbeb53756413da76a63

  • SHA256

    7b2c14e59be0621b9cc1a5e8bd0bd242cd915ac5abf7e94b3c0347e95740e784

  • SHA512

    13887e0a324573c3c805490f38dc3c3b830bcff3e37206db782e5f431c0fcb73a32a06199ef5a6dd61c98e64a1c2c599ddc26685d24598f64bafa8ea09fcfc35

  • SSDEEP

    1536:y7gccBtfj67cGTnb+PsOAMR50Bmem9wIvDnRAnbG:Z3Btr6znCPppR50BmXenbG

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 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 32 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 13 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:812
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2492
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3092
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3156
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Users\Admin\AppData\Local\Temp\3b2042d004c1204d836f3d59f9e02f60N.exe
                    "C:\Users\Admin\AppData\Local\Temp\3b2042d004c1204d836f3d59f9e02f60N.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 Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4392
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3732
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3828
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3964
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3152
                            • 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:1528
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2128
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4576
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4340
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4500
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4360

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/4392-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4392-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-20-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4392-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-18-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4392-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-11-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4392-10-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4392-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-30-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-32-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-44-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-45-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-48-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-49-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-51-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-52-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4392-72-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4392-61-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4392-56-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB