Analysis

  • max time kernel
    155s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 00:58

General

  • Target

    dc4d2c333f9618fec1a45dcf382722cf5849564ba7ff1fd7a04d27f7a37e3be5.exe

  • Size

    144KB

  • MD5

    f180ab64d47cdb0a4ab0021f9dff6359

  • SHA1

    84b95d0e9fb8099c62727e4c7af8a4205dd74905

  • SHA256

    dc4d2c333f9618fec1a45dcf382722cf5849564ba7ff1fd7a04d27f7a37e3be5

  • SHA512

    99a4cac88ef93badc0ee0f1b8c009e1595aadb5f826066264050f885f109f3dc8c946815bf05d4981959442135df2d761726c3515826fc4d3811a1a2ecdc9739

  • SSDEEP

    3072:pM6ygyLiNdRekQojRxDTEr9MqNsY9On9tgPFttMHlAnHNn:pMqCijRecjRxqmd9t6FkHlAHd

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 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 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
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2336
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:3160
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3584
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4836
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3868
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:3668
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3456
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3352
                  • C:\Windows\Explorer.EXE
                    C:\Windows\Explorer.EXE
                    1⤵
                      PID:3004
                      • C:\Users\Admin\AppData\Local\Temp\dc4d2c333f9618fec1a45dcf382722cf5849564ba7ff1fd7a04d27f7a37e3be5.exe
                        "C:\Users\Admin\AppData\Local\Temp\dc4d2c333f9618fec1a45dcf382722cf5849564ba7ff1fd7a04d27f7a37e3be5.exe"
                        2⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops autorun.inf file
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2228
                    • C:\Windows\system32\taskhostw.exe
                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                      1⤵
                        PID:2456
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                        1⤵
                          PID:2360
                        • C:\Windows\system32\dwm.exe
                          "dwm.exe"
                          1⤵
                            PID:312
                          • C:\Windows\system32\fontdrvhost.exe
                            "fontdrvhost.exe"
                            1⤵
                              PID:784
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:780

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/2228-132-0x0000000000400000-0x0000000000424000-memory.dmp

                                Filesize

                                144KB

                              • memory/2228-133-0x0000000002C80000-0x0000000003D0E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2228-134-0x0000000002C80000-0x0000000003D0E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2228-137-0x0000000002C80000-0x0000000003D0E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2228-138-0x0000000000400000-0x0000000000424000-memory.dmp

                                Filesize

                                144KB