Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 14:36

General

  • Target

    bf7452d36f0f23699e3568a544c29330927dc6611c045ecc3ca2b9719026819f.exe

  • Size

    2.5MB

  • MD5

    911f285c3014a88a0933d77893e412a9

  • SHA1

    abdfbdb5c7032cd30d75971080208ef5124d6c22

  • SHA256

    bf7452d36f0f23699e3568a544c29330927dc6611c045ecc3ca2b9719026819f

  • SHA512

    775682e9268fcdef74ab9532092cb1fd391cfeab72dcb3fe17ffd89af94bae2161262590874718ddb0a3a8570f2ef56b6e8412b42403ff3fcb0bedeb425e1393

  • SSDEEP

    49152:qTg7b3WiUhLqc4tXOexzWGD/ks70iuJh0VIBwzl4O65r9g3tPHX/U5TuuxXHB:q0PGiAcx30iuJhkFltirmNX/Ux

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 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
  • UPX packed file 11 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 2 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 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2664
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2676
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2888
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Users\Admin\AppData\Local\Temp\bf7452d36f0f23699e3568a544c29330927dc6611c045ecc3ca2b9719026819f.exe
                    "C:\Users\Admin\AppData\Local\Temp\bf7452d36f0f23699e3568a544c29330927dc6611c045ecc3ca2b9719026819f.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3080
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3548
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3352
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4700
                              • 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:2264
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2512
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3768

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3080-0-0x0000000000400000-0x0000000000686000-memory.dmp

                                      Filesize

                                      2.5MB

                                    • memory/3080-1-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-6-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-5-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-9-0x0000000004010000-0x0000000004011000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3080-8-0x0000000002320000-0x0000000002322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3080-7-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-3-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-19-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-18-0x0000000002320000-0x0000000002322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3080-17-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-16-0x0000000002320000-0x0000000002322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3080-15-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-21-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-33-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3080-36-0x0000000000400000-0x0000000000686000-memory.dmp

                                      Filesize

                                      2.5MB

                                    • memory/3080-28-0x0000000002320000-0x0000000002322000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3080-20-0x0000000002510000-0x00000000035CA000-memory.dmp

                                      Filesize

                                      16.7MB