Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 03:59

General

  • Target

    fe4a4a5749d8ccc09f0e4170747f4047bd9bf267ca15d6ba280d042f3cd71c35.dll

  • Size

    120KB

  • MD5

    15c6cebce9096f47ec9690515423b838

  • SHA1

    48cb33447ec511155efd86a2024cb091c5fe55fc

  • SHA256

    fe4a4a5749d8ccc09f0e4170747f4047bd9bf267ca15d6ba280d042f3cd71c35

  • SHA512

    4d69b5bfb8a9b1c016be52753a5878ea33984fecb10875da7031212663107e447f92b72a9aa157d4a57fba4ef6e27e4ece03628fa2fc77f8be6f0894169503a6

  • SSDEEP

    1536:WOc/nxJMWRdf9iSj60XL0L7U0qT9YE+U6W5qUu4YpLzBt/OXJVB:Hcn7ke4qyEhqU36fGXJV

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 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
  • Executes dropped EXE 3 IoCs
  • UPX packed file 32 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 49 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:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2636
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2648
            • 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:3448
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe4a4a5749d8ccc09f0e4170747f4047bd9bf267ca15d6ba280d042f3cd71c35.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1712
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe4a4a5749d8ccc09f0e4170747f4047bd9bf267ca15d6ba280d042f3cd71c35.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3640
                      • C:\Users\Admin\AppData\Local\Temp\e574f0a.exe
                        C:\Users\Admin\AppData\Local\Temp\e574f0a.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4940
                      • C:\Users\Admin\AppData\Local\Temp\e574fd5.exe
                        C:\Users\Admin\AppData\Local\Temp\e574fd5.exe
                        4⤵
                        • Executes dropped EXE
                        PID:232
                      • C:\Users\Admin\AppData\Local\Temp\e576aa1.exe
                        C:\Users\Admin\AppData\Local\Temp\e576aa1.exe
                        4⤵
                        • Executes dropped EXE
                        PID:1304
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3796
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3996
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4544
                              • 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:3760

                                Network

                                MITRE ATT&CK Matrix ATT&CK v13

                                Persistence

                                Create or Modify System Process

                                1
                                T1543

                                Windows Service

                                1
                                T1543.003

                                Privilege Escalation

                                Create or Modify System Process

                                1
                                T1543

                                Windows Service

                                1
                                T1543.003

                                Abuse Elevation Control Mechanism

                                1
                                T1548

                                Bypass User Account Control

                                1
                                T1548.002

                                Defense Evasion

                                Modify Registry

                                5
                                T1112

                                Impair Defenses

                                4
                                T1562

                                Disable or Modify Tools

                                3
                                T1562.001

                                Disable or Modify System Firewall

                                1
                                T1562.004

                                Abuse Elevation Control Mechanism

                                1
                                T1548

                                Bypass User Account Control

                                1
                                T1548.002

                                Discovery

                                System Information Discovery

                                2
                                T1082

                                Query Registry

                                1
                                T1012

                                Peripheral Device Discovery

                                1
                                T1120

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e574f0a.exe
                                  Filesize

                                  97KB

                                  MD5

                                  521d44248f71fd70daca880e607264a9

                                  SHA1

                                  baebd9df2e67d199772df090468adf15bf6c9834

                                  SHA256

                                  0e33ad768ce049b4a2f5bfe498a1b9c19388254d2eb420754515d4ff4194d267

                                  SHA512

                                  7e267dadfe1580f3473afa91eedeb39304483412cdff61920b91676abb7cbc0a6f6053b4fbda54d1c3dfbc5e507c22c069fbc9f4cca973f2e6216f172809ba0b

                                • memory/232-112-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/232-31-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/232-60-0x00000000001F0000-0x00000000001F2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/232-63-0x00000000001F0000-0x00000000001F2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/232-59-0x0000000000870000-0x0000000000871000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/1304-65-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1304-116-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/1304-62-0x00000000001F0000-0x00000000001F1000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/1304-64-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1304-52-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/3640-12-0x0000000004820000-0x0000000004822000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3640-27-0x00000000048B0000-0x00000000048B1000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/3640-16-0x0000000004820000-0x0000000004822000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3640-32-0x0000000004820000-0x0000000004822000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3640-1-0x0000000010000000-0x0000000010020000-memory.dmp
                                  Filesize

                                  128KB

                                • memory/4940-41-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-26-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-8-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-35-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-36-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-34-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-38-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-37-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-39-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-40-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-15-0x0000000000600000-0x0000000000601000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/4940-43-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-44-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-9-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-53-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-55-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-56-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-25-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-11-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-28-0x00000000005F0000-0x00000000005F2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/4940-33-0x00000000005F0000-0x00000000005F2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/4940-19-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-10-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-66-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-68-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-71-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-74-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-75-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-77-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-79-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-81-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-82-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-84-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-99-0x00000000005F0000-0x00000000005F2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/4940-108-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB

                                • memory/4940-91-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-6-0x00000000008D0000-0x000000000198A000-memory.dmp
                                  Filesize

                                  16.7MB

                                • memory/4940-5-0x0000000000400000-0x0000000000412000-memory.dmp
                                  Filesize

                                  72KB