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Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 05:26

General

  • Target

    NEAS.73940ba7afd0db3e157c6e6032892d50_JC.dll

  • Size

    120KB

  • MD5

    73940ba7afd0db3e157c6e6032892d50

  • SHA1

    f70ca1fa3052a1a209c0ee0aa87071051f73927b

  • SHA256

    34556331a1ebdf60b9e3153917ea5c96a974ea1565b1ed1005a0f7f8afde290d

  • SHA512

    0c209ae639b80638f13b310b9ea68b479bf53c3fb58edc484d1f5b013fe88cfad1bba3e5c0776c5b3fe6d4979310056598154ee271a76bc71b3a3be0ce1c7a53

  • SSDEEP

    1536:b2wm9/g8D6NXiFxQE7M4bzwIW7lawWU3GyksAaoVrgdSSmlOUg7:b2wme8D6N7Ew4fwTlnKynAaE88SmHg

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 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 22 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 7 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:336
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:796
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2636
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4048
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3928
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3840
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:1288
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:5084
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                        1⤵
                          PID:3208
                        • C:\Windows\system32\backgroundTaskHost.exe
                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                          1⤵
                            PID:1432
                          • 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:4360
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:448
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3516
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  1⤵
                                    PID:3312
                                    • C:\Windows\system32\rundll32.exe
                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.73940ba7afd0db3e157c6e6032892d50_JC.dll,#1
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:2492
                                      • C:\Windows\SysWOW64\rundll32.exe
                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.73940ba7afd0db3e157c6e6032892d50_JC.dll,#1
                                        3⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:3232
                                        • C:\Users\Admin\AppData\Local\Temp\e578165.exe
                                          C:\Users\Admin\AppData\Local\Temp\e578165.exe
                                          4⤵
                                          • 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:4548
                                        • C:\Users\Admin\AppData\Local\Temp\e5784a1.exe
                                          C:\Users\Admin\AppData\Local\Temp\e5784a1.exe
                                          4⤵
                                          • Executes dropped EXE
                                          PID:2760
                                        • C:\Users\Admin\AppData\Local\Temp\e57a74c.exe
                                          C:\Users\Admin\AppData\Local\Temp\e57a74c.exe
                                          4⤵
                                          • 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 WriteProcessMemory
                                          • System policy modification
                                          PID:5040
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2432
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2420
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4524
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3076

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e578165.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e578165.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e5784a1.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e5784a1.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e57a74c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e57a74c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Users\Admin\AppData\Local\Temp\e57a74c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            abb671315a5cf15b18c3c26e05ca1c6f

                                            SHA1

                                            9304979ca6483bedd45e012e5b243bb58524814c

                                            SHA256

                                            61ca1ac6b47cfb9c0e9ff58c9748d45c3b84fc7fac92f19c3fc0981d39f4856e

                                            SHA512

                                            334332555d1c995821692cae208e028cc0b768c180bee9e31c8bf01ad65e244f518b5134103941eac1f28ace780044a0332f367fcab22443030bab2d97e5b5ae

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            444fee42def522c3ad2ab827642a8b5b

                                            SHA1

                                            916822e7f15d37e550a56e01edb5da37d7c80405

                                            SHA256

                                            c6177f0a45545d3d098f22f78c13502f14fc74cf4aeb07dd04ba6d8d3ca6e879

                                            SHA512

                                            fb7eb0c93ae6cf85210545434ea2538f1607d281f34c1a9bc3d0b6f938f575a1081333daa33082994a50f7201fdecb2e29c7de5501eb8033ff3a87949c348306

                                          • memory/2760-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2760-50-0x0000000000420000-0x0000000000421000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2760-22-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2760-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2760-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3232-13-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3232-12-0x0000000003C30000-0x0000000003C31000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3232-45-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3232-10-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3232-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4548-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-33-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-34-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-31-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4548-23-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-21-0x0000000000680000-0x0000000000682000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4548-24-0x0000000000680000-0x0000000000682000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4548-14-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-18-0x0000000000690000-0x0000000000691000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4548-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4548-32-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-57-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-58-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-59-0x0000000000680000-0x0000000000682000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4548-60-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-62-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-65-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4548-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/5040-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/5040-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/5040-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/5040-93-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/5040-94-0x0000000000BF0000-0x0000000001CAA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/5040-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/5040-96-0x0000000000BF0000-0x0000000001CAA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/5040-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/5040-133-0x0000000000BF0000-0x0000000001CAA000-memory.dmp

                                            Filesize

                                            16.7MB