Analysis

  • max time kernel
    101s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 00:17

General

  • Target

    42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll

  • Size

    120KB

  • MD5

    a7c7e300395ce343583e0507f0fd5dc6

  • SHA1

    3db2e09ae1ee2e2773fddea25b4e25d3ee5d4b14

  • SHA256

    42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836

  • SHA512

    fcaba8d6e89c8a4526ef7b4491781919db6a76930701c2645cbdeab9020d3d676c53c7c5f47deb7547f07c5a050fc3f973037caac5b1840895a8de4d6682a9fa

  • SSDEEP

    3072:k3rP9/eew0jLiw+Fp3kcQFuRWguQH1GaabU4UooJr:k3rP9/Jw0niw+F6FoWYGaaI4UJ

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 14 IoCs

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

  • UPX packed file 34 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:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2592
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2608
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2756
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:448
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4304
                      • C:\Users\Admin\AppData\Local\Temp\e577f80.exe
                        C:\Users\Admin\AppData\Local\Temp\e577f80.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:1560
                      • C:\Users\Admin\AppData\Local\Temp\e57828e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57828e.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:3024
                      • C:\Users\Admin\AppData\Local\Temp\e579b94.exe
                        C:\Users\Admin\AppData\Local\Temp\e579b94.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3840
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3676
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3852
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3988
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4052
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2840
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • 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:1996
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3728
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2716
                                  • C:\Windows\system32\BackgroundTransferHost.exe
                                    "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                    1⤵
                                      PID:4804
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                      1⤵
                                        PID:760
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                        1⤵
                                          PID:4844
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4568

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e577f80.exe

                                            Filesize

                                            97KB

                                            MD5

                                            2501cb349f4f504c6ac9d0c582790f99

                                            SHA1

                                            82a139d8e01848b102bfab793b114171748434d0

                                            SHA256

                                            c253bc989324c5b3d73ad03aafd7d76bd97a4fdec8930332493f9f4345eaab8e

                                            SHA512

                                            f6200d35f233aa1ac62101494688be63fa8e76cf2d3b2140a3809d8bfa09b54fdd969c0a2129e460bf074439f93545891277c43a92b1b97ef2d20a03e480eb24

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            b450d695899f1216625768cf9abfebc4

                                            SHA1

                                            ab5d00d08fe0950c9fea5e0180e0b6f0b7df47d1

                                            SHA256

                                            16aaf93d126de4475ac1e55d72a0036820a9a367bc665d95aa93efe4bddc0d8e

                                            SHA512

                                            7e263c7f665cde665657d53a19d0f7056e6615f0d189a414f2529344bde565e9d1d225f566d22d47c39c5ce2ca71232a4a767d6aa5721d2b53e38cca06e28805

                                          • memory/1560-76-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-55-0x00000000019E0000-0x00000000019E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1560-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-17-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-19-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-26-0x0000000004360000-0x0000000004361000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1560-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1560-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1560-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-20-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-97-0x00000000019E0000-0x00000000019E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1560-91-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-90-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-31-0x00000000019E0000-0x00000000019E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1560-27-0x00000000019E0000-0x00000000019E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1560-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-84-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-69-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-81-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-56-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-57-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-59-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-80-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-77-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-73-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-72-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1560-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3024-82-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3024-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3024-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3024-123-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3024-142-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3024-141-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3024-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3024-62-0x0000000000460000-0x0000000000461000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3840-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3840-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3840-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3840-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3840-110-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3840-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4304-32-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4304-24-0x0000000003810000-0x0000000003811000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4304-23-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4304-28-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4304-47-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4304-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB