Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 18:46

General

  • Target

    uninst.exe

  • Size

    167KB

  • MD5

    cc7070ed9f50f897645a4739b40b6342

  • SHA1

    26b37c29001269f8c126d2e5f9abf177fe50e4e6

  • SHA256

    161364c13a5ddf5384bae33b7954641955794618997ab5bd83b633c18a0417ec

  • SHA512

    b58bfeca73e86f4d887884d1bfcb39921e3b27dc79140353035efa531613d55b4dff335ad1ae637be1f0cd841cc423065d5376d311fc0683dcb475cd29db32b8

  • SSDEEP

    3072:9Lk39rhYXJ5wK4psZskP9LrmCEyaJ9ft5T/vd10LGl97XRMJnL:9QQjr4uZsIWCEpnv3FlJRM1L

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 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 7 IoCs

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

  • Drops file in Windows directory 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 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:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2524
            • 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:3388
                  • C:\Users\Admin\AppData\Local\Temp\uninst.exe
                    "C:\Users\Admin\AppData\Local\Temp\uninst.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 Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2760
                • 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:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • 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:4116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2220
                              • 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:3376

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/2760-0-0x0000000000400000-0x0000000000449000-memory.dmp

                                  Filesize

                                  292KB

                                • memory/2760-1-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-3-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-4-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-8-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-5-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-14-0x0000000000780000-0x0000000000782000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-15-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-21-0x0000000000400000-0x0000000000449000-memory.dmp

                                  Filesize

                                  292KB

                                • memory/2760-10-0x0000000002380000-0x000000000340E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2760-11-0x0000000000780000-0x0000000000782000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-9-0x0000000000780000-0x0000000000782000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2760-7-0x0000000003D60000-0x0000000003D61000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2760-6-0x0000000000780000-0x0000000000782000-memory.dmp

                                  Filesize

                                  8KB