Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 18:25

General

  • Target

    ac8d2f29a8aeda66b3e78c9f385bf324.exe

  • Size

    100KB

  • MD5

    ac8d2f29a8aeda66b3e78c9f385bf324

  • SHA1

    96d5a109525d999f97c0c39e3b4f9ea1187a9c0c

  • SHA256

    09b1efc7d167638f8ebd2fa0cb61dfb51564d75b7cdaa8b39e545906dae2eedb

  • SHA512

    e2601862854a44d2c7e69fed203dd73c5be88cfa50e8c7c3e6c0bb099fd634e12d1c10e5c48de5c88ab24929f9180495cbdfb4d03bdd259d2ceff82ea899c8a6

  • SSDEEP

    1536:QWswr6szE6YaDE1YC9zRNW/sThk0fODNa2IjO4La:QPwmCE6YV1YC9zOsODN94L

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 37 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 21 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).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1012
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4012
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:388
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:2176
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:4384
                • 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:4428
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:1644
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3432
                      • C:\Users\Admin\AppData\Local\Temp\ac8d2f29a8aeda66b3e78c9f385bf324.exe
                        "C:\Users\Admin\AppData\Local\Temp\ac8d2f29a8aeda66b3e78c9f385bf324.exe"
                        1⤵
                        • 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
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2052
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:4092
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3948
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3856
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3660
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3504
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2816
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2676
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2628
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4952
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:5080

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • F:\gpfmcu.pif

                                                  Filesize

                                                  100KB

                                                  MD5

                                                  ba21058cedf7e509ec0b191a16a44f52

                                                  SHA1

                                                  183dc54229f95409d3d6ff46d4958ffafeb04554

                                                  SHA256

                                                  d2d50b8e377a44f6a80388951438f176543390999278ae5b94ea1d6bf46ce562

                                                  SHA512

                                                  618fb5bac48dfe23df54a10104b20fb3e774e5fa5eccc0b7970e5cae6e2b95759f73411fc8c7d6fe29db94e5ffe45ed8726ccdc86ecbac470fed2e1ed2737476

                                                • memory/2052-24-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-27-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-29-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-5-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-7-0x0000000004230000-0x0000000004231000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2052-9-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/2052-10-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-11-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-12-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-13-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-14-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-15-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-16-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-17-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-18-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-19-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-20-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-22-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-23-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                                  Filesize

                                                  76KB

                                                • memory/2052-4-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-26-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-6-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/2052-31-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-34-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-36-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-38-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-40-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-42-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-49-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-51-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-53-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-55-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-57-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-58-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-60-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-62-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-64-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/2052-65-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-67-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-69-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/2052-2-0x0000000002330000-0x00000000033BE000-memory.dmp

                                                  Filesize

                                                  16.6MB