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Analysis

  • max time kernel
    93s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/12/2024, 14:21

General

  • Target

    3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll

  • Size

    120KB

  • MD5

    d89a44975788072aa21f2dd4c1f43b10

  • SHA1

    b6f512d2ebdc3b78bb068fa9f934d03acb0b7835

  • SHA256

    3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4d

  • SHA512

    8c0362692498baf53bc4d9df311dbfa99fdd81d8790e81b804c7264e1c3b39ee05e49a4235e3700689f25a9bc4f40f513c125997fd5071cb252e0efe44a6611f

  • SSDEEP

    1536:jl8NGXxt6RainDMHybFGo+0By4GNnSJunlWCUCIiewyUETez3KC7yT70bHnQ:jl8NGXxtRybFGoPaSInkOe5UEez37BH

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 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • 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.

  • UPX packed file 30 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2664
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2756
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3000
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4792
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3240
                      • C:\Users\Admin\AppData\Local\Temp\e57902a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57902a.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1096
                      • C:\Users\Admin\AppData\Local\Temp\e5791ef.exe
                        C:\Users\Admin\AppData\Local\Temp\e5791ef.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1108
                      • C:\Users\Admin\AppData\Local\Temp\e57ca74.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ca74.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4260
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3816
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3988
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4280
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4720
                              • 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:2200

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57902a.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f5952d989065867655968d607e049217

                                  SHA1

                                  5cd3323718101780d53fcc43de614560029c910b

                                  SHA256

                                  6d402d93c9c6bee085024d19422a37332c218ebdd8d6541a18e4c7aa5ef8f14c

                                  SHA512

                                  d3c7909b53d3f2abaeab40cf96a4a29cb8cacb107dfd60a1abf646b6ad799a52e5a210844d84521e1e763d625201c25971ad2788f8e62e130e8f6608f8457a32

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  256B

                                  MD5

                                  1203fdc88992b1b138683d69ab62e666

                                  SHA1

                                  40b82f364325da4682071c5c36d23f312cca7dff

                                  SHA256

                                  2c17d8976839c80f09975a0d4e1862558793406976ea80ae3d73cdf9673327eb

                                  SHA512

                                  461edea46aecb5ca5b54f79ff12dfb3d7ed75921984ebe63817b9bfc19b16dd6ccde4b9e1ebbfbb11a4ec968ffe69a76833fdcdc3c31f8d10e5a6ddc4f4e4530

                                • memory/1096-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-27-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1096-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-25-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-17-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-26-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1096-34-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-82-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1096-31-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1096-29-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-54-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-62-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-21-0x0000000000600000-0x0000000000601000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1096-61-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-60-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1096-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-59-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-57-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-42-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-55-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1096-46-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1108-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1108-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1108-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1108-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1108-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-33-0x0000000004550000-0x0000000004552000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-18-0x0000000004550000-0x0000000004552000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-19-0x00000000045E0000-0x00000000045E1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3240-22-0x0000000004550000-0x0000000004552000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4260-95-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-91-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-90-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-92-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-96-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-103-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4260-129-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4260-130-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB