Analysis

  • max time kernel
    124s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2023 18:30

General

  • Target

    NEAS.9b3db130b0957012a31485744e8db320.exe

  • Size

    97KB

  • MD5

    9b3db130b0957012a31485744e8db320

  • SHA1

    b9c0bab6f10f65bf49724b812be82300c82fe470

  • SHA256

    9e101fa2dc8cb1a83d76c0d44dfad5cc9462cdc495a149e088f9dfb59c355dd9

  • SHA512

    e4ab84ff43d5c123542d6a9b62bccbe5b85ea25c814f43096aa7cc47f91ab862d7a6e96bea9d7326be6251b63af2b841349becf87cd6869b3e13831869cd8e7f

  • SSDEEP

    3072:oIAmYLI7vjAwrjCGeE6ZA6+65Cu2+p2ce6q/c:oIAmYLcvjfqZAc572+k/c

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 38 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 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 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\dwm.exe
    "dwm.exe"
    1⤵
      PID:60
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2636
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3720
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3788
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:1448
                • 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:3756
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4920
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4068
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3876
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3592
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3356
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3248
                                • C:\Users\Admin\AppData\Local\Temp\NEAS.9b3db130b0957012a31485744e8db320.exe
                                  "C:\Users\Admin\AppData\Local\Temp\NEAS.9b3db130b0957012a31485744e8db320.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
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:4676
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2872
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2648
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4776

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\owle.exe

                                      Filesize

                                      97KB

                                      MD5

                                      d15118e2066449132da5fa9ab6039f8b

                                      SHA1

                                      660639aa55750f13cb7f7c22c285c6cbe4785b43

                                      SHA256

                                      2d230fd150edbcbc319a20b511cb92abcf62eb482146d2282856f76095a2fa85

                                      SHA512

                                      23e49d271c5bd34069f2e6bdcfedab68c8cc59eddc1b1ddd465a65215b1f1337803165c34d33b07d877ce4e6d8e03dca60e6741c05bbf052d2a13917ca3cd44a

                                    • memory/4676-31-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-8-0x0000000004660000-0x0000000004661000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4676-5-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4676-6-0x0000000003B60000-0x0000000003B62000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4676-10-0x0000000003B60000-0x0000000003B62000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4676-7-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-13-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-30-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-15-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-32-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-22-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-23-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-25-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-24-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-26-0x0000000003B60000-0x0000000003B62000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4676-27-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-28-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-14-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-3-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-16-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-34-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-41-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-44-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-51-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-53-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-55-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-57-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-59-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-63-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-65-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-67-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-69-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-71-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-73-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-75-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-77-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-4-0x0000000000770000-0x000000000182A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4676-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB