Analysis

  • max time kernel
    92s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 01:04

General

  • Target

    a30674c2465b992c135356f85517385e448db2fe6a82067d17a964d459020196.dll

  • Size

    120KB

  • MD5

    40466e5ee1cf86e691ca1e16c09a8e1b

  • SHA1

    dc0d8ec977157bab6602abf8a052d97f485900a3

  • SHA256

    a30674c2465b992c135356f85517385e448db2fe6a82067d17a964d459020196

  • SHA512

    c1f638f12ae8cb4c93a9e66e4c367862dcc98111fba888c1215ec2f6eb6b84068c8189c2c59198808e104ef765d55d10505b1d097218eff51a40927ed66f013d

  • SSDEEP

    1536:o0Vl+F8iwSzK72tx+mgvyXlVFt2lcgYmovFqo+souFRPyCxN51GQ1GEjpXUZb:o+l3yKCGmgvyXldmGqzo/NWQ1GMOZ

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 32 IoCs
  • UPX dump on OEP (original entry point) 36 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 32 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 14 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2600
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2648
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3068
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30674c2465b992c135356f85517385e448db2fe6a82067d17a964d459020196.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1580
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30674c2465b992c135356f85517385e448db2fe6a82067d17a964d459020196.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3116
                      • C:\Users\Admin\AppData\Local\Temp\e574c5b.exe
                        C:\Users\Admin\AppData\Local\Temp\e574c5b.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 Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1688
                      • C:\Users\Admin\AppData\Local\Temp\e574d84.exe
                        C:\Users\Admin\AppData\Local\Temp\e574d84.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3636
                      • C:\Users\Admin\AppData\Local\Temp\e576801.exe
                        C:\Users\Admin\AppData\Local\Temp\e576801.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2368
                • 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:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3960
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4004
                            • 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:440
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1896
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4984
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3292
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4232

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e574c5b.exe

                                        Filesize

                                        97KB

                                        MD5

                                        166edf8d3ab26f1d8bf80f6ce0f49132

                                        SHA1

                                        1ea5fffdbd0aa1765f105aa3226eb15c9872a746

                                        SHA256

                                        537d6225a860062058209b54fee7aa9ec483313c0792da0bf5eeafb62ace452d

                                        SHA512

                                        a53f627eecd018ce69c3e003fb9605017474c8c248da486ed68afcf0454b13e61bf0bf105641eca535d1d6984c180f1ee664caf95343dffaee5f4be8c54796d1

                                      • memory/1688-42-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-71-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-8-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-10-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-20-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-33-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1688-19-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-30-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-29-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-31-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1688-18-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-11-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-94-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1688-24-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1688-106-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1688-51-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-17-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-9-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-80-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-35-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-36-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-37-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-38-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-39-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-79-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1688-41-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-100-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-87-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-53-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-54-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-78-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-76-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-75-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-73-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-69-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-66-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1688-64-0x0000000000740000-0x00000000017FA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2368-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2368-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2368-114-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2368-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2368-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3116-27-0x0000000004780000-0x0000000004782000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3116-21-0x0000000004780000-0x0000000004782000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3116-22-0x0000000004810000-0x0000000004811000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3116-46-0x0000000004780000-0x0000000004782000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3116-25-0x0000000004780000-0x0000000004782000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3116-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3636-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3636-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3636-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3636-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB