Analysis

  • max time kernel
    29s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 00:05

General

  • Target

    210a2f88858d303bba941b263f4054a9.exe

  • Size

    97KB

  • MD5

    210a2f88858d303bba941b263f4054a9

  • SHA1

    1cf10269c621ad727776f46a6b658890acfcca5d

  • SHA256

    6e10969d57a85c9339ec5225d98e444031bd2e0474106eaa7e7d50215a014b8d

  • SHA512

    384d92e95931c318be6e63b4c60cbb65e48a587dcd185851ab5c2b4d5c0f1e16244bb8b8e7d163e58129ba7af79b96a65c6e587accdab0e1a28b47e697b49ab4

  • SSDEEP

    1536:eTcSVf0wlkNDV8jAf34XXtlvAnEHbrzFdA2eqPmUA9OuY2xMr3+BtTaDu:2V8uGV8jAQX9lbbrzFdD5UO8xou7a

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
  • UPX packed file 39 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 19 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1016
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2992
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3452
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3920
          • 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:2836
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:3284
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:4880
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                  1⤵
                    PID:1924
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:1428
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3900
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3812
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3712
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3320
                                • C:\Users\Admin\AppData\Local\Temp\210a2f88858d303bba941b263f4054a9.exe
                                  "C:\Users\Admin\AppData\Local\Temp\210a2f88858d303bba941b263f4054a9.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 Program Files directory
                                  • Drops file in Windows directory
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:2692
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2848
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2828
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:796
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:788
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:3360
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:224
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:4188

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\qxtl.exe

                                                    Filesize

                                                    97KB

                                                    MD5

                                                    7c5d431b111c55aad6d3781b953af711

                                                    SHA1

                                                    4b2d591b158ddc2d1aa62d9479812a60f0e84d87

                                                    SHA256

                                                    7b49f3601de882cd9ceb1621a87ec01f89372be8b96ad46703cfec456bacfacd

                                                    SHA512

                                                    6cec85f14aa8319c3880f90d888daf59048757bf90eae9d8d70155f64e5d1471016c5ade45dd312958d78aa4eab6e28869806085a6c7d19ffffebbc3a3960a9c

                                                  • memory/2692-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-3-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-4-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-5-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-13-0x0000000004790000-0x0000000004791000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2692-15-0x00000000044E0000-0x00000000044E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2692-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-12-0x00000000044E0000-0x00000000044E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2692-16-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-17-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-19-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-20-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-23-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-28-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/2692-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-41-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-45-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-47-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-49-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-53-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-55-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-57-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-59-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-61-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-62-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-65-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-71-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-73-0x00000000044E0000-0x00000000044E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2692-74-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-76-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2692-1-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                    Filesize

                                                    16.7MB