Analysis

  • max time kernel
    122s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 22:45

General

  • Target

    6b18379fe35ed344aaa5dcc675fa42a125e1c47747dc6d25ae47e84f28dd5a83.exe

  • Size

    97KB

  • MD5

    6493136192f27b911be417c64d66872b

  • SHA1

    ec1e163311687401c39c9234bab94c2dd72a16f4

  • SHA256

    6b18379fe35ed344aaa5dcc675fa42a125e1c47747dc6d25ae47e84f28dd5a83

  • SHA512

    ca0db8aba61243117b6ccf5566c17773ed8de13973f846ecdfc59130224f6f131470e4523562024f2399a701f71d1585f989bd15991d6f7471d4cdc77e56eabf

  • SSDEEP

    3072:Mugows1CzwFDsmD/6RZzvAjM8imAJWeaKJ7Vo:MxWDQxvA4Zm/iVo

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 41 IoCs
  • UPX dump on OEP (original entry point) 42 IoCs
  • UPX packed file 41 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2932
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3536
                  • C:\Users\Admin\AppData\Local\Temp\6b18379fe35ed344aaa5dcc675fa42a125e1c47747dc6d25ae47e84f28dd5a83.exe
                    "C:\Users\Admin\AppData\Local\Temp\6b18379fe35ed344aaa5dcc675fa42a125e1c47747dc6d25ae47e84f28dd5a83.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:716
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4040
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:760
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3988
                            • 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:744
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3804
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4964
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3036
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3948
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4804
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          1⤵
                                            PID:3476

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • F:\qnve.pif

                                            Filesize

                                            97KB

                                            MD5

                                            3d00e7955028761db9821690ddab3405

                                            SHA1

                                            a8c45f43149623d26175b58eb2ea08e06b86a192

                                            SHA256

                                            d26ae69cc20c2d219f9a6ee0663e7c8176471034b10476b78f8d525c834224be

                                            SHA512

                                            4fc147385ab8b2d142d4d2d7580b2d4e9d7c73fd3bdbbec36b7ed9a4c068261c8d419b8b9819feee68d21b69cce987d371f8d69dda3392bff7ea5987920cbe69

                                          • memory/716-33-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-63-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-7-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-8-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-16-0x0000000001B50000-0x0000000001B51000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/716-21-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/716-18-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-20-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-14-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-19-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/716-17-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-15-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/716-4-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-3-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-22-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-23-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-24-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-25-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-26-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-28-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-29-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-30-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-77-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-5-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-42-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-41-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-43-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-45-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-46-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-48-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-49-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-50-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-53-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-55-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-57-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-59-0x0000000001B40000-0x0000000001B42000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/716-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-60-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/716-69-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-71-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-73-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-32-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/716-1-0x0000000000770000-0x000000000182A000-memory.dmp

                                            Filesize

                                            16.7MB