Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 08:57

General

  • Target

    99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09N.exe

  • Size

    1.3MB

  • MD5

    481ba3e3712511ddf6507d8095f84fc0

  • SHA1

    7d79d6da0e3cc8230667d92943317b670dd85733

  • SHA256

    99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09

  • SHA512

    202275d4a5e18a4d328bc444d849fcad94fa5a9589fa5dd200f0b8cd197b6a7d0c2e3e66c1b351c6d90cad91e5d8543cd701184d150bc1c1ffe6287eea794474

  • SSDEEP

    24576:aJeofAq/jp98z3kidgVs0/aMueOeOe7OxmOocRLfzyFyT96I:weofAaWk4KH/ateOeOe7OxmHcR1t

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 39 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • 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:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2552
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2572
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2672
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Users\Admin\AppData\Local\Temp\99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09N.exe
                    "C:\Users\Admin\AppData\Local\Temp\99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09N.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Modifies WinLogon
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4888
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT /delete /yes
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5048
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:2160
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1508
                      • C:\Windows\SysWOW64\at.exe
                        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:3700
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:612
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3416
                            • 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:4540
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2124
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1656
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1528

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\0E579AAA_Rar\99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09N.exe

                                      Filesize

                                      1.2MB

                                      MD5

                                      a18b755297c7ae6c15c287d734f69838

                                      SHA1

                                      2f464bf4f96f61fc39079a6988f6891f8f77c1c9

                                      SHA256

                                      f7c85a45ab49471063ee03ab635c841d24a58217f921804ae1d11207f6278112

                                      SHA512

                                      b953f3542aee875e1e9101340f66a05180bda14a6be758cc4f8bc4f9455f296822ca415c5be737ae35f51a2a031e6ab8bbefdcaf37c56ca828af89b07899b371

                                    • C:\Windows\SysWOW64\setup.ini

                                      Filesize

                                      96B

                                      MD5

                                      9ece103c47335f0cc777f1132b8d522f

                                      SHA1

                                      63afa171c64f86d99db81723e1335e960e85fa43

                                      SHA256

                                      69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9

                                      SHA512

                                      b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05

                                    • C:\Windows\SysWOW64\winhelp.exe

                                      Filesize

                                      1.3MB

                                      MD5

                                      481ba3e3712511ddf6507d8095f84fc0

                                      SHA1

                                      7d79d6da0e3cc8230667d92943317b670dd85733

                                      SHA256

                                      99f54a1e2c2d18c86ae0f42044f6be0b7d19bed332554ed5eca863f4eddbdf09

                                      SHA512

                                      202275d4a5e18a4d328bc444d849fcad94fa5a9589fa5dd200f0b8cd197b6a7d0c2e3e66c1b351c6d90cad91e5d8543cd701184d150bc1c1ffe6287eea794474

                                    • memory/4888-60-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-109-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-4-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-7-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-11-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-14-0x0000000004DE0000-0x0000000004DE2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4888-13-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-15-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-3-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-6-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-12-0x0000000004DE0000-0x0000000004DE2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4888-9-0x0000000004DE0000-0x0000000004DE2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4888-8-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-10-0x0000000004E30000-0x0000000004E31000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4888-1-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-52-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-61-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-55-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-56-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-57-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-59-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-0-0x0000000000400000-0x00000000004B3000-memory.dmp

                                      Filesize

                                      716KB

                                    • memory/4888-64-0x0000000004DE0000-0x0000000004DE2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4888-5-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-53-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-65-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-67-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-70-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-71-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-74-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-75-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-78-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-80-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-82-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-83-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-87-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-88-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-95-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-96-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-100-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-99-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-101-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-104-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-105-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-63-0x0000000003320000-0x00000000043AE000-memory.dmp

                                      Filesize

                                      16.6MB

                                    • memory/4888-111-0x0000000000400000-0x00000000004B3000-memory.dmp

                                      Filesize

                                      716KB