Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 07:14

General

  • Target

    logs/modified_files/C/syspuxm.exe/syspuxm.exe

  • Size

    70KB

  • MD5

    bc9fe9457030d81eb55322c89d65c3ff

  • SHA1

    ab570c602fcd6149976f52ebc35e69324ea9512c

  • SHA256

    b962405951204905dfd57cab9723d647ea9c5466aefcd5c5a2bac4ddf83a4318

  • SHA512

    968b173207599b005ae6bd1e2846e2e66d3f30e5a45b583586f0530e10918f2b5828de554151328050b261084e4f8ddc7a1ab4ecb94463b42fb33bbbd679ae70

  • SSDEEP

    1536:TEmcAe0ey668/xJGQJ0Bva0Ri1ItQ+JWSDg8phvf/:TSA2y6OQJ0VZ4mtX1Dg4hvH

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/

http://klkjwre77638dfqwieuoi888.info/

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 42 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 30 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:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2952
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2960
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2108
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Users\Admin\AppData\Local\Temp\logs\modified_files\C\syspuxm.exe\syspuxm.exe
                    "C:\Users\Admin\AppData\Local\Temp\logs\modified_files\C\syspuxm.exe\syspuxm.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • 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:4248
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3820
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3972
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3488
                            • 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:5044
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3868
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4720

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/4248-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                    Filesize

                                    80KB

                                  • memory/4248-1-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-3-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-12-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4248-9-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-13-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4248-8-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-11-0x0000000002170000-0x0000000002171000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4248-10-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4248-4-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-7-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-14-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-16-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-15-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-23-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-24-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-25-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-26-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-27-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-29-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-30-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-32-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4248-34-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-35-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-37-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-38-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-40-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-39-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-41-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-42-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-44-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-45-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-48-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-49-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-52-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-53-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-56-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-57-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-60-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-61-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-67-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-70-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-69-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-72-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-73-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-74-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-79-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/4248-80-0x0000000000400000-0x0000000000414000-memory.dmp

                                    Filesize

                                    80KB

                                  • memory/4248-81-0x00000000022F0000-0x000000000337E000-memory.dmp

                                    Filesize

                                    16.6MB