Analysis

  • max time kernel
    122s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 03:11

General

  • Target

    8cd38f5e32d0f58b46dfc62c388a99c65a040133aa6c8d10f5d2638cdd9b719b.exe

  • Size

    65KB

  • MD5

    6fd86ccadebf6700b9721306270fc56d

  • SHA1

    2c5429210c05bc0e66ae6158de219b99fe212b7f

  • SHA256

    8cd38f5e32d0f58b46dfc62c388a99c65a040133aa6c8d10f5d2638cdd9b719b

  • SHA512

    17f20f8f42eaeab2e6df7f8aa16f7d779ddcb4ce9fdaea5b61e15b1fc88e58adb711a59249f2baeef4fe9eaae47ab3d94601354a19c3c37d0ea4458faba3ec66

  • SSDEEP

    1536:TwhjV+0YQM7fMt1o4ukNOBFqi4fVk54HMn4ep3nbC1x:TwtVtYE1o4uvquyHM4eix

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 41 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • 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:2612
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2948
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3388
                  • C:\Users\Admin\AppData\Local\Temp\8cd38f5e32d0f58b46dfc62c388a99c65a040133aa6c8d10f5d2638cdd9b719b.exe
                    "C:\Users\Admin\AppData\Local\Temp\8cd38f5e32d0f58b46dfc62c388a99c65a040133aa6c8d10f5d2638cdd9b719b.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:704
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4004
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3544
                            • 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:4916
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1460
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3664

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\ygxuyx.exe

                                    Filesize

                                    97KB

                                    MD5

                                    baf568431e042659bfa095a84cc07c36

                                    SHA1

                                    8546ae1ccd4e6501c5bce2749ae4d70641c3449c

                                    SHA256

                                    5d0564ca609137b9ac907c13df8f947d6e4e6b23dab52819a444ddae290013c9

                                    SHA512

                                    b039c9df9e91ae07b926f6435ccd6f3baac43971754f4b9b0ea4d23e7f119d127a203717747a5db39d6d65d788c9a71df90d75bcdcdd7d2d6ac4cebddf094a74

                                  • memory/704-31-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-68-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-11-0x0000000001C90000-0x0000000001C91000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/704-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-19-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/704-16-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-20-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-17-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/704-15-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-10-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/704-30-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-51-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-40-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-46-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-47-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-49-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-33-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/704-52-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-54-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-62-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-64-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-67-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/704-70-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-72-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-77-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/704-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB