Analysis

  • max time kernel
    91s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2025, 22:01

General

  • Target
    fg2010-collabvm.exe
  • Size 572KB
  • Sample250316-1w9kda1set
  • SHA256 9bf323d0fad8d66f4efeec4b03b3dd264c94c87a77c13ebbf1eb44b10a3b94ee
  • MD5 SHA1 SHA512 SSDEEP

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 18 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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:312
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2656
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2792
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Users\Admin\AppData\Local\Temp\fg2010-collabvm.exe
                    "C:\Users\Admin\AppData\Local\Temp\fg2010-collabvm.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4164
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3632
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3800
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3896
                      • 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:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4180
                            • 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:3872
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                1⤵
                                  PID:1820
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2932

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        memory/4164-0-0x0000000000400000-0x0000000000490000-memory.dmp

                                        memory/4164-1-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-3-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-4-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-7-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-9-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-15-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-16-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-14-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-13-0x00000000041F0000-0x00000000041F2000-memory.dmp

                                        memory/4164-17-0x00000000041F0000-0x00000000041F2000-memory.dmp

                                        memory/4164-11-0x00000000041F0000-0x00000000041F2000-memory.dmp

                                        memory/4164-5-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-12-0x0000000004240000-0x0000000004241000-memory.dmp

                                        memory/4164-6-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-19-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-18-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-20-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-21-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-22-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-24-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-25-0x0000000002B20000-0x0000000003BAE000-memory.dmp

                                        memory/4164-43-0x0000000000400000-0x0000000000490000-memory.dmp

                                        memory/4164-32-0x0000000002B20000-0x0000000003BAE000-memory.dmp