Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 17:25

General

  • Target
    61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll
  • Size 120KB
  • Sample241216-vy9ehaxjdl
  • SHA256 61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3
  • 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 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 35 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2612
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2636
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3632
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2900
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:976
                      • C:\Users\Admin\AppData\Local\Temp\e57cb2f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cb2f.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • 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:2124
                      • C:\Users\Admin\AppData\Local\Temp\e57cc97.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cc97.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1948
                      • C:\Users\Admin\AppData\Local\Temp\e57e687.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e687.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • 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 WriteProcessMemory
                        • System policy modification
                        PID:3152
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3756
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3928
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4028
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4092
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3068
                          • 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:3408
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3256
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3332

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        e57cb2f.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\e57cb2f.exe
                                        • Size 97KB
                                        • SHA256 3300e32b56937fa0376cf5b91e5b4b372af0f720ee510deb8e8705b0eac6ec52
                                        • MD5 SHA1 SHA512 SSDEEP

                                        SYSTEM.INI

                                        • Path C:\Windows\SYSTEM.INI
                                        • Size 256B
                                        • SHA256 5fb82a5fb6822c6e07f223a0d4a15100cb3c4b9884767eea549cdca16d17791b
                                        • MD5 SHA1 SHA512

                                        memory/976-24-0x0000000000E40000-0x0000000000E42000-memory.dmp

                                        memory/976-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        memory/976-30-0x0000000000E40000-0x0000000000E42000-memory.dmp

                                        memory/976-20-0x0000000000E40000-0x0000000000E42000-memory.dmp

                                        memory/976-21-0x00000000027F0000-0x00000000027F1000-memory.dmp

                                        memory/1948-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/1948-89-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        memory/1948-59-0x0000000000870000-0x0000000000871000-memory.dmp

                                        memory/1948-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        memory/1948-62-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        memory/2124-54-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-80-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-23-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                                        memory/2124-28-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                        memory/2124-31-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                        memory/2124-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-41-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-42-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/2124-51-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-53-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                        memory/2124-27-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-55-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-34-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-12-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-29-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-94-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-101-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                        memory/2124-19-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-66-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-71-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-72-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-75-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-76-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-78-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-79-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-81-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-87-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-88-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/2124-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/2124-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                        memory/3152-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/3152-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        memory/3152-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/3152-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        memory/3152-121-0x0000000000BA0000-0x0000000001C5A000-memory.dmp

                                        memory/3152-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/3152-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                        memory/3152-157-0x0000000000BA0000-0x0000000001C5A000-memory.dmp