Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:47

General

  • Target

    7d77b25d42e35c2fe127778837d9f271babb3d76126e5e05134356ba65af8b06N.exe

  • Size

    97KB

  • MD5

    9b09e8cc1e6927c6e973e8ca32c4e8d0

  • SHA1

    92cfddc6989b6c28756c4754f3a01b4dc27ad4f1

  • SHA256

    7d77b25d42e35c2fe127778837d9f271babb3d76126e5e05134356ba65af8b06

  • SHA512

    e66ded32e968741a4cf6c5e6000111d4bf07817a658373deb929218da950aebd4c41d53a13d48a3b83c87aed5832129f5d66e15d40cabcae76dc32f11b4abc12

  • SSDEEP

    1536:N0SFvgGUY3lwvMOPGf6Uh0dMbhQZxCwWyz+kExa2Q0WQSB2A63POIybcI3oSlDsC:BUYKMOPGrtECwlEx3WuA8ZJHWP

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • 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.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2676
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2700
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2816
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3556
                  • C:\Users\Admin\AppData\Local\Temp\7d77b25d42e35c2fe127778837d9f271babb3d76126e5e05134356ba65af8b06N.exe
                    "C:\Users\Admin\AppData\Local\Temp\7d77b25d42e35c2fe127778837d9f271babb3d76126e5e05134356ba65af8b06N.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
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4932
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3700
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3888
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3976
                      • 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:960
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3572
                            • 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:876
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4616
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:5004
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1008
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4424

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • F:\gnyij.pif

                                        Filesize

                                        97KB

                                        MD5

                                        a308c7ba601a39470ee5768e31677a08

                                        SHA1

                                        7591f18c79dfb1744a8732882d66853a297fc54a

                                        SHA256

                                        2e7585047d1651e0a33d634b953ab40e044623469de0796e77ccd0cc888b485e

                                        SHA512

                                        065115b9a3c51038f665be4ff526440815a89ab8f575162650fa6f3347bbdb9b653d8897d80af7c21160344554e4858bcb4ce6e4fe253fc3a3958b8c6db7b958

                                      • memory/4932-32-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4932-68-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-4-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-14-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-8-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-16-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-20-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4932-19-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4932-15-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-18-0x0000000001C90000-0x0000000001C91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4932-17-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4932-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-5-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-7-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-21-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-22-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-23-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-24-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-25-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-27-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-28-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-29-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-3-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-1-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-35-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-34-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-43-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-44-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-45-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-47-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-49-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-56-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-57-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-59-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-61-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-63-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-64-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-65-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-67-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4932-72-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-73-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-77-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-31-0x0000000000800000-0x00000000018BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4932-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB