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
    17-05-2024 03:35

General

  • Target

    bf6f2d23a172676f8ba1b77b10896440a5997eefbcb05a6fad43c3cd2399e01b.exe

  • Size

    65KB

  • MD5

    8fe9e72c5ca68f0a3cbb5d218ec72506

  • SHA1

    754dce051d9a1dc557b7e66e3bb8af7815f7de69

  • SHA256

    bf6f2d23a172676f8ba1b77b10896440a5997eefbcb05a6fad43c3cd2399e01b

  • SHA512

    f42dc33c57f6b71d8f99c681d4f907f1f63ca4f4a42ec759378b1b90d3f135bb17bf00adfb6ac274d86738a04a33c6de43dfffc8957b83183577418212bee3f0

  • SSDEEP

    1536:DceB0rQrZJQt/DxlGdyMX5PgNz5ojR6Zyj+oH4Hd+oDaBdJYEB:DPB0krctrXxKPgRE+oHeMoi2Y

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 28 IoCs
  • UPX packed file 26 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 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2960
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3068
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:772
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Users\Admin\AppData\Local\Temp\bf6f2d23a172676f8ba1b77b10896440a5997eefbcb05a6fad43c3cd2399e01b.exe
                    "C:\Users\Admin\AppData\Local\Temp\bf6f2d23a172676f8ba1b77b10896440a5997eefbcb05a6fad43c3cd2399e01b.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:3880
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3868
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3568
                            • 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:2820
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3240
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4612
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4644

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3880-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3880-3-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-1-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-9-0x0000000001C50000-0x0000000001C51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3880-16-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3880-7-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-15-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-19-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-18-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3880-17-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-4-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-8-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3880-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-5-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-21-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-20-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-23-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-22-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-24-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-25-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-26-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-28-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-29-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-31-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-32-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-34-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-35-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-38-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-42-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-45-0x0000000000800000-0x00000000018BA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3880-53-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3880-62-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB