Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 18:41

General

  • Target

    d09fca61751201178952c944fd1b1f8b277e793040f1bc7af94bc7f4b5aa1ad8.exe

  • Size

    743KB

  • MD5

    0695438663ee848389a25b7ac1cee0c0

  • SHA1

    286398b844806958b417bb6a264f9096ce93fe11

  • SHA256

    d09fca61751201178952c944fd1b1f8b277e793040f1bc7af94bc7f4b5aa1ad8

  • SHA512

    4cc460e79c57d055cda6f5bde2b393f156a45dde4b7f5f2a086a1b46e75d0a0cf10e4ada11824ac229d428978e9e3a93b29c24886412c957d07a3b3276a51690

  • SSDEEP

    12288:e8MvgzqUT3Bua+nbCJdU4ZDheD/2GkleiwTgRTiD89LVxbn8Jaj3XLSvUuq:MSTkaI4FhejLkleiwTg+w9LVxbn8JajL

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 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\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • 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\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3456
                • 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\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\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:2740
                        • 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\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:2440
                                  • C:\Users\Admin\AppData\Local\Temp\d09fca61751201178952c944fd1b1f8b277e793040f1bc7af94bc7f4b5aa1ad8.exe
                                    "C:\Users\Admin\AppData\Local\Temp\d09fca61751201178952c944fd1b1f8b277e793040f1bc7af94bc7f4b5aa1ad8.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 WriteProcessMemory
                                    • System policy modification
                                    PID:3248

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/3248-132-0x0000000000400000-0x00000000004BA000-memory.dmp

                                  Filesize

                                  744KB

                                • memory/3248-133-0x00000000023B0000-0x000000000343E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3248-134-0x00000000023B0000-0x000000000343E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3248-135-0x00000000023B0000-0x000000000343E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3248-136-0x0000000000400000-0x00000000004BA000-memory.dmp

                                  Filesize

                                  744KB