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Analysis

  • max time kernel
    86s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2023, 04:48

General

  • Target

    NEAS.2c1f3958f67573d898d8ce3e756a6280.dll

  • Size

    120KB

  • MD5

    2c1f3958f67573d898d8ce3e756a6280

  • SHA1

    f8d2577e7efb7344c2aa8d43458b4403aed99307

  • SHA256

    494c9512d34544ad80e28d704a0868f77e7a02023195278520833bd975757c9f

  • SHA512

    9e50b5ee1a89f7f97e2b6adc154bddb0ef2612bfff7316b1d117da64ce5ed032b40e7fbf356762d2a147373c76a7d1615ec1dfbc84f080618a0f5ddc0b018672

  • SSDEEP

    3072:pLcA7XgMbbnFXQmMQL2ecsYdip+WjMmSiWjDLkzi3y:pnQsbnFXdL2F/G+Wj9gDAIy

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 3 IoCs
  • UPX packed file 27 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 11 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 60 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2c1f3958f67573d898d8ce3e756a6280.dll,#1
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2c1f3958f67573d898d8ce3e756a6280.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1996
          • C:\Users\Admin\AppData\Local\Temp\e579ff9.exe
            C:\Users\Admin\AppData\Local\Temp\e579ff9.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:1620
          • C:\Users\Admin\AppData\Local\Temp\e57a45e.exe
            C:\Users\Admin\AppData\Local\Temp\e57a45e.exe
            3⤵
            • Executes dropped EXE
            PID:3576
          • C:\Users\Admin\AppData\Local\Temp\e57b7c7.exe
            C:\Users\Admin\AppData\Local\Temp\e57b7c7.exe
            3⤵
            • Executes dropped EXE
            PID:4196
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:1744
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:1720
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:4604
            • 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:2216
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:1784
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2352
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3984
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3896
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3832
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3720
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3476
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3204
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2648
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2444
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2428
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:792
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:3048
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1860
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:4220
                                            • C:\Windows\System32\wuapihost.exe
                                              C:\Windows\System32\wuapihost.exe -Embedding
                                              1⤵
                                                PID:3528

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\e579ff9.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e579ff9.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e57a45e.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e57a45e.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e57b7c7.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e57b7c7.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • C:\Users\Admin\AppData\Local\Temp\e57b7c7.exe

                                                Filesize

                                                97KB

                                                MD5

                                                57e673e05aee8525eb79d5929dd07382

                                                SHA1

                                                dd0f242ae6fc75f174f1216b0f39d560f17375a1

                                                SHA256

                                                be6a0632ef7a68acf0a42ab6dbac9e68fc22ef4cb4975e82d95355be0509dfa6

                                                SHA512

                                                aa2547ca51e586e014b25828a318a5f8355bea98407865fedc06d4dbbea11a4a636250aec009f69a4b752ef010872d1e298d556eb78dc2e8145f98d7fe2c7807

                                              • memory/1620-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-64-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-19-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1620-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-21-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1620-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1620-81-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-17-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-94-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1620-23-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-30-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-78-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1620-75-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-73-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-48-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-49-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-50-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-52-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1620-53-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-71-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-68-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1620-66-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1996-13-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1996-12-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1996-44-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1996-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/1996-10-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/3576-20-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/3576-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/3576-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/3576-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/3576-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4196-46-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4196-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4196-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4196-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4196-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB