Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 17:12

General

  • Target

    5ef46f3d0ffb814dce72a74bf3becc201ce8c396d0c43e398294c650cb74b8eb.exe

  • Size

    922KB

  • MD5

    83ae965c9c257f8a81e70d76ff6be500

  • SHA1

    87115d8bf274e56e577bcb2eeba9f96fb16f271d

  • SHA256

    5ef46f3d0ffb814dce72a74bf3becc201ce8c396d0c43e398294c650cb74b8eb

  • SHA512

    05592dbfa4a945147a6fef5ab9159048060ce01860d519e5ec2ae1f41cd72764ad3f6150768773f752c04a617f12afba6c33c14605e8ab1dae14bc9682f1d922

  • SSDEEP

    24576:6Mz2+vNN3i4f7C79fmVpbxNIWuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuIuuuus:pzzi4m79feduuuuuuuuuuuuuuuuuuuu6

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

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 3 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 Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3456
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:3404
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:2320
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4620
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3764
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3572
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3356
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3252
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:2740
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:2440
                          • C:\Users\Admin\AppData\Local\Temp\5ef46f3d0ffb814dce72a74bf3becc201ce8c396d0c43e398294c650cb74b8eb.exe
                            "C:\Users\Admin\AppData\Local\Temp\5ef46f3d0ffb814dce72a74bf3becc201ce8c396d0c43e398294c650cb74b8eb.exe"
                            2⤵
                            • UAC bypass
                            • Windows security bypass
                            • Disables RegEdit via registry modification
                            • Windows security modification
                            • Checks whether UAC is enabled
                            • 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:4100
                            • C:\Windows\SysWOW64\netsh.exe
                              netsh firewall set opmode disable
                              3⤵
                              • Modifies Windows Firewall
                              PID:452
                              • C:\Windows\System32\Conhost.exe
                                \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                4⤵
                                  PID:5116
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2464
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2360
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2336
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:792
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:788

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/452-134-0x0000000000000000-mapping.dmp

                                    • memory/4100-132-0x0000000000400000-0x00000000005A8000-memory.dmp

                                      Filesize

                                      1.7MB

                                    • memory/4100-133-0x0000000002640000-0x000000000366E000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4100-135-0x0000000002640000-0x000000000366E000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4100-136-0x0000000002640000-0x000000000366E000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4100-137-0x0000000000400000-0x00000000005A8000-memory.dmp

                                      Filesize

                                      1.7MB