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Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 20:44

General

  • Target

    NEAS.497c703002250e05da75df461c3abe10_JC.dll

  • Size

    120KB

  • MD5

    497c703002250e05da75df461c3abe10

  • SHA1

    970cc6a10c30f287fbea64f3ef43a3f434dbd5d6

  • SHA256

    2848230b3fee8839522d26325c2ab483dccc673abcd54ed26034dcafad42b35b

  • SHA512

    58838b8676c97b71178cd85d4f34a0b663544839dea615f049837fa31c652ed998a8206f2e1eb9a49caa5d72ab3ee18ecaca8ca9295a357c5231773f645078ce

  • SSDEEP

    1536:+afsUrDdlnvTbabOyTnaGEvr1CQQ5+ZZCNHsoI0Ls1j0H7XgzOoASDSdRYP:+kndln2FTaLRJc+v0qos4H7Xgfh

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
  • Executes dropped EXE 2 IoCs
  • UPX packed file 22 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 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3904
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:896
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:4004
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:1480
                • 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:1184
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#1
                    1⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4124
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#1
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:880
                      • C:\Users\Admin\AppData\Local\Temp\e57d486.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d486.exe
                        3⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1600
                      • C:\Users\Admin\AppData\Local\Temp\e58056a.exe
                        C:\Users\Admin\AppData\Local\Temp\e58056a.exe
                        3⤵
                        • Executes dropped EXE
                        PID:3824
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:2192
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:1996
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3792
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3704
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3540
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3304
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2508
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2436
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2392

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57d486.exe

                                        Filesize

                                        97KB

                                        MD5

                                        880ca3866837d385c4cf916bbd6a9a71

                                        SHA1

                                        12d00b66c2722104d814f68d912c9efed6f0b1c2

                                        SHA256

                                        58000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e

                                        SHA512

                                        33af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd

                                      • C:\Users\Admin\AppData\Local\Temp\e57d486.exe

                                        Filesize

                                        97KB

                                        MD5

                                        880ca3866837d385c4cf916bbd6a9a71

                                        SHA1

                                        12d00b66c2722104d814f68d912c9efed6f0b1c2

                                        SHA256

                                        58000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e

                                        SHA512

                                        33af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd

                                      • C:\Users\Admin\AppData\Local\Temp\e58056a.exe

                                        Filesize

                                        97KB

                                        MD5

                                        880ca3866837d385c4cf916bbd6a9a71

                                        SHA1

                                        12d00b66c2722104d814f68d912c9efed6f0b1c2

                                        SHA256

                                        58000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e

                                        SHA512

                                        33af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd

                                      • C:\Users\Admin\AppData\Local\Temp\e58056a.exe

                                        Filesize

                                        97KB

                                        MD5

                                        880ca3866837d385c4cf916bbd6a9a71

                                        SHA1

                                        12d00b66c2722104d814f68d912c9efed6f0b1c2

                                        SHA256

                                        58000b259c9a4d87938cb31a84c38391ee69c69c83f7bc23c64a5c86abd1ee7e

                                        SHA512

                                        33af9ff516b9c7a2ef2b9eff4038a18d3264c5d7eb0cea80841147f13eb5fede50b9630c95859b4d90bb71724840a00f0a6d7d0e2f023e17ec42b9c68d7587dd

                                      • memory/880-18-0x0000000000930000-0x0000000000932000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/880-41-0x0000000000930000-0x0000000000932000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/880-37-0x0000000000930000-0x0000000000932000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/880-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/880-20-0x0000000000970000-0x0000000000971000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1600-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-22-0x0000000001C90000-0x0000000001C91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1600-25-0x0000000000570000-0x0000000000572000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1600-19-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-26-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-28-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-30-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-31-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-33-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-13-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-47-0x0000000000570000-0x0000000000572000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1600-77-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1600-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1600-48-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-49-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-50-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-53-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-54-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1600-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3824-46-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3824-78-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB