Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 22:26

General

  • Target
    5d6316649c5b485b1ff441fbdd88f70d28caa1a4ff60f0e96ad94969ef515003.dll
  • Size 120KB
  • Sample240611-2cre5athmb
  • SHA256 5d6316649c5b485b1ff441fbdd88f70d28caa1a4ff60f0e96ad94969ef515003
  • 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 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 28 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 28 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • 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:816
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:824
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:404
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2548
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3544
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6316649c5b485b1ff441fbdd88f70d28caa1a4ff60f0e96ad94969ef515003.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3592
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6316649c5b485b1ff441fbdd88f70d28caa1a4ff60f0e96ad94969ef515003.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2384
                      • C:\Users\Admin\AppData\Local\Temp\e5767f1.exe
                        C:\Users\Admin\AppData\Local\Temp\e5767f1.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4412
                      • C:\Users\Admin\AppData\Local\Temp\e5769c6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5769c6.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2884
                      • C:\Users\Admin\AppData\Local\Temp\e57a0b4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a0b4.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3584
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3668
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:692
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3556
                            • 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:1848
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4248
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4236
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:440
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3792
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3120

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              e5767f1.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\e5767f1.exe
                                              • Size 97KB
                                              • SHA256 10463f0db938f1989e7264609d4ca56712cce37d0c060a8dfbc4323cf828b916
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SYSTEM.INI

                                              • Path C:\Windows\SYSTEM.INI
                                              • Size 257B
                                              • SHA256 5b9e24b77b2c4a10270798b864009d29c3ca1ac5adcc6a27ca3c58680781532b
                                              • MD5 SHA1 SHA512

                                              memory/2384-23-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              memory/2384-53-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              memory/2384-21-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              memory/2384-26-0x0000000000F60000-0x0000000000F62000-memory.dmp

                                              memory/2384-27-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

                                              memory/2384-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                              memory/2884-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                              memory/2884-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2884-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2884-44-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                              memory/2884-41-0x0000000000420000-0x0000000000421000-memory.dmp

                                              memory/3584-101-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              memory/3584-98-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              memory/3584-111-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              memory/3584-148-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              memory/3584-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3584-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3584-95-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                              memory/4412-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-66-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-31-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-43-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-45-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-47-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-19-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-56-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-58-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-64-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-67-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-68-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-70-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-78-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                              memory/4412-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/4412-35-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                              memory/4412-36-0x00000000007B0000-0x00000000007B2000-memory.dmp

                                              memory/4412-20-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-28-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-30-0x0000000004230000-0x0000000004231000-memory.dmp

                                              memory/4412-18-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                              memory/4412-5-0x0000000000400000-0x0000000000412000-memory.dmp