Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 01:11

General

  • Target
    ab0d5b5a65361bf88bef4f1023f19867db3a0e6eabad1d997035d69e8140e1fe.exe
  • Size 97KB
  • Sample240519-bkajgaae96
  • SHA256 ab0d5b5a65361bf88bef4f1023f19867db3a0e6eabad1d997035d69e8140e1fe
  • 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

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 30 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • UPX packed file 30 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 36 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • 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:2676
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2808
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3528
                  • C:\Users\Admin\AppData\Local\Temp\ab0d5b5a65361bf88bef4f1023f19867db3a0e6eabad1d997035d69e8140e1fe.exe
                    "C:\Users\Admin\AppData\Local\Temp\ab0d5b5a65361bf88bef4f1023f19867db3a0e6eabad1d997035d69e8140e1fe.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 Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3212
                • 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:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:776
                            • 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:1932
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1432
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4808
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2040
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4896
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1368
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          1⤵
                                            PID:4732

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                memory/3212-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                memory/3212-1-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-5-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-3-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-4-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-6-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-18-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                memory/3212-17-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-16-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-20-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                memory/3212-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-13-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-15-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                                memory/3212-14-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                                memory/3212-19-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-22-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-21-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-23-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-24-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-25-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-27-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-28-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-29-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-31-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-32-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-35-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-36-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-39-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-41-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-43-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-45-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-47-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-49-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-56-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-76-0x0000000000400000-0x0000000000412000-memory.dmp

                                                memory/3212-65-0x0000000000870000-0x000000000192A000-memory.dmp

                                                memory/3212-64-0x0000000001AF0000-0x0000000001AF2000-memory.dmp