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Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 00:54

General

  • Target

    9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec.dll

  • Size

    120KB

  • MD5

    192763f9b41e68df16823062c978f627

  • SHA1

    3a26868eb4528990632f7f7ca8c34d6d5aa4608e

  • SHA256

    9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec

  • SHA512

    b2020c6259e9fdbf7b9d6af1624b653a90fe80b7bf891a731c8b437cc4f69b5f1fb57e57a74f0eead25394696fc0db7640cc7f69db969a6ce9386d028044fb66

  • SSDEEP

    1536:zjWAMxwe0LglMxoqb8Uar753gTP3X+kVAcoRZqkCVNpFPWq1rSK4LQ:zjWdrUqmb8Uar7Js3XLxo8npxJS

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 17 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 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 3 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 49 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2604
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2880
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3496
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3792
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3424
                      • C:\Users\Admin\AppData\Local\Temp\e5773b9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5773b9.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:3748
                      • C:\Users\Admin\AppData\Local\Temp\e5777d0.exe
                        C:\Users\Admin\AppData\Local\Temp\e5777d0.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3484
                      • C:\Users\Admin\AppData\Local\Temp\e577908.exe
                        C:\Users\Admin\AppData\Local\Temp\e577908.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4804
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3832
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:684
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4156
                            • 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:3556
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1392

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5773b9.exe

                                  Filesize

                                  97KB

                                  MD5

                                  653dacecba5ae2818d62e34f9041de5b

                                  SHA1

                                  7cb76b7c51005b959ab245fa935b1c08d1bfff6f

                                  SHA256

                                  7e76edfec6e10d2fd6a8a316beeb591667857a0fc07b2be016e06cca8c7ed37c

                                  SHA512

                                  9ccf4162212da7288c15bcbcc6fb90f10d016cb4bdd8e6bdf562da6a3084acf09d0239e3b399480e4f0458759de3e505fa6e0e2c72330c3c2a6cac563841b9fd

                                • memory/3424-34-0x0000000004720000-0x0000000004722000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3424-11-0x0000000004720000-0x0000000004722000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3424-14-0x0000000004720000-0x0000000004722000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3424-12-0x00000000047B0000-0x00000000047B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3424-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3484-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3484-49-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3484-47-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3748-41-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3748-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-21-0x0000000000730000-0x0000000000732000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3748-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-39-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-40-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-15-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-44-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-43-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-19-0x0000000000740000-0x0000000000741000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3748-45-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-23-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3748-7-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-65-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-54-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-56-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-59-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-60-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3748-64-0x0000000000730000-0x0000000000732000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4804-53-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4804-52-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4804-88-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4804-51-0x0000000000570000-0x0000000000571000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4804-37-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4804-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB