Analysis

  • max time kernel
    112s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 14:57

General

  • Target

    258863cd3ae4433e884447b66f78c0a0N.dll

  • Size

    120KB

  • MD5

    258863cd3ae4433e884447b66f78c0a0

  • SHA1

    10269222590dc1ab2233deb15c6ad6789c932f88

  • SHA256

    8d3703a5b4a1767712da3277a59a5d844621ebc541045debdad4cbf87b331fa0

  • SHA512

    6f219b3f56ab1a90c2474271d5be6bd56fc99b3a4b4a0f22210323203ba27fb4cf38778db025da6e36dd8e13f7b9b8795e0344d51e7e7e49aa6e0e252e63fa8f

  • SSDEEP

    3072:j/8UIyWVdb37W0i1Px8eSVMRwUKxRhZRZncE:rcyWVdDhG8eyMRwUKxrZn

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 31 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 12 IoCs

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

  • Drops file in Program Files directory 3 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2556
          • 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:2780
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\258863cd3ae4433e884447b66f78c0a0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2976
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\258863cd3ae4433e884447b66f78c0a0N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3456
                      • C:\Users\Admin\AppData\Local\Temp\e57b48b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b48b.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:3584
                      • C:\Users\Admin\AppData\Local\Temp\e57b640.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b640.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3376
                      • C:\Users\Admin\AppData\Local\Temp\e57d4b5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d4b5.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5036
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3816
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3980
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3264
                            • 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:672
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2144
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4696
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:836
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2792

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e57b48b.exe

                                              Filesize

                                              97KB

                                              MD5

                                              f73e6ffab5d437f4ab9c70ba52539d48

                                              SHA1

                                              6d640fcdf2c348e31b0800f4c8bc6dc5a64524e3

                                              SHA256

                                              2f3c423c0ab248bde916abeb543fd939bf37b2040da455d054e86f90d827c4da

                                              SHA512

                                              a8c1f1e93793048cfc32220e0e5474c83c1eeef3c425993d8e89233afcc1cf710da9faa3cfb3201d9cdbb909a31b677938e4940b898fa65499aa4862d90089be

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              72ca7889b05b0cdfb3e182cc16c8ef12

                                              SHA1

                                              a310483a7194ee694fc41b869d8fa50d3dbd56bf

                                              SHA256

                                              01ea28fbf3ae5072d035d56fe8282a8fbb6c7795b7fc75cef5dc6b20a849e6df

                                              SHA512

                                              74d368d9745a129b3629516bcf5855c8873aeb417edfa4aeac9223a5213000e8df1de8410a312796275affa0f017cd0099e0e59b2b480b0b4f63e5d2f89fe63e

                                            • memory/3376-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3376-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3376-126-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3376-107-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3376-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3376-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3376-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3376-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3456-30-0x0000000003560000-0x0000000003562000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3456-25-0x0000000003560000-0x0000000003562000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3456-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3456-21-0x00000000035F0000-0x00000000035F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3456-20-0x0000000003560000-0x0000000003562000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3584-51-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-29-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3584-19-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-28-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-31-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-34-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-40-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-42-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3584-24-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3584-52-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-54-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3584-6-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-13-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3584-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-63-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-64-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-66-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-68-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-71-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-72-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-75-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-76-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-79-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/3584-101-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3584-92-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3584-85-0x0000000000760000-0x000000000181A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/5036-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5036-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/5036-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5036-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/5036-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/5036-131-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB