Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2023 11:54

General

  • Target

    312f26c90b45e92809ad3dfb3e72f450413deb21ef8fb4cf8d2404b12a9d6cd7.exe

  • Size

    448KB

  • MD5

    2075e021c9c74f74e94854d5792c3fc4

  • SHA1

    ef998c92ee0f768ed86cb7a1fba1c9847007e62b

  • SHA256

    312f26c90b45e92809ad3dfb3e72f450413deb21ef8fb4cf8d2404b12a9d6cd7

  • SHA512

    47ac95f6517cf4e32968cb1127446fd38fd34ad4851d0e610a8475b2186804da90de08fa4baff2879be743d2f0e166420b26d108afada3d84a5ddbaaf2755af4

  • SSDEEP

    3072:ynAdrtGJGxJ9ptWrvjDb9jY+3Eeh0zlR3C7E6LUKrwt192MeAgzh3xJ+apj6+GiP:tiGv9ptWFZEeShRyhrOjN2xJZpjrZP

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

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • 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
  • Chinese Botnet payload 2 IoCs
  • UPX packed file 39 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 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 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:60
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2448
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3756
            • 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:1788
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3716
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4088
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3644
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3552
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3308
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:768
                              • C:\Users\Admin\AppData\Local\Temp\312f26c90b45e92809ad3dfb3e72f450413deb21ef8fb4cf8d2404b12a9d6cd7.exe
                                "C:\Users\Admin\AppData\Local\Temp\312f26c90b45e92809ad3dfb3e72f450413deb21ef8fb4cf8d2404b12a9d6cd7.exe"
                                2⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Windows security modification
                                • Adds Run key to start application
                                • 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:4796
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2564
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2456

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\ywiki.exe

                                  Filesize

                                  100KB

                                  MD5

                                  f45ac08bed9badd913fbf5980acd73b9

                                  SHA1

                                  973fd5f0eaf0f403766d03131131a345c002aa45

                                  SHA256

                                  e05db2150f2a364a2ee26b607c0d2ccca2956033b8ad1509c840da1bac28e855

                                  SHA512

                                  098233cebdc6974714e56d9aaca3f0d1bae69fcea61f34d19b90c1e46772ee8d242b1e4a3658e8a190ceac84c5ce88b2cd80ba9a58f7647215369bf5e2f0862b

                                • memory/4796-30-0x0000000001C60000-0x0000000001C62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4796-1-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-6-0x0000000001C70000-0x0000000001C71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4796-4-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-5-0x0000000001C60000-0x0000000001C62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4796-7-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-9-0x0000000010000000-0x0000000010018000-memory.dmp

                                  Filesize

                                  96KB

                                • memory/4796-11-0x0000000001C60000-0x0000000001C62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4796-8-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-14-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-15-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-16-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-17-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-18-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-19-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-20-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-31-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-24-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-26-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-27-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-28-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-0-0x0000000000400000-0x0000000000470000-memory.dmp

                                  Filesize

                                  448KB

                                • memory/4796-34-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-3-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-23-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-36-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-39-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-41-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-43-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-45-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-47-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-48-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-54-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-55-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-56-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-58-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-60-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-62-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-64-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-67-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-69-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-70-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-72-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-73-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-33-0x00000000007A0000-0x000000000182E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4796-83-0x0000000000400000-0x0000000000470000-memory.dmp

                                  Filesize

                                  448KB