Analysis

  • max time kernel
    123s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:52

General

  • Target

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll

  • Size

    120KB

  • MD5

    a14fecf5587b5f5d06ff34b9c28b57b0

  • SHA1

    5ec813098a0440e845b1f6d42314f2338a123b66

  • SHA256

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827

  • SHA512

    d2fe024e613b6a6ae690af1990ab56a464803328cf6603f8343e80b94ac3dfe336a38e4e0b80333990f618a646554356957cde177667da1b4e67c822517f9bff

  • SSDEEP

    3072:ZzPH4V6YWortvX5Q2em3+rzRK+JxonS2LwE:ZzQVCortvpQc3+HRRJxonSw

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.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 7 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2572
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2620
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2936
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3372
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1184
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1888
                      • C:\Users\Admin\AppData\Local\Temp\e578618.exe
                        C:\Users\Admin\AppData\Local\Temp\e578618.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 AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4784
                      • C:\Users\Admin\AppData\Local\Temp\e5787ae.exe
                        C:\Users\Admin\AppData\Local\Temp\e5787ae.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1332
                      • C:\Users\Admin\AppData\Local\Temp\e57b15e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b15e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4760
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3500
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3708
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3800
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3864
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3948
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3568
                            • 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:4548
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3080
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4576
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4772
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:448
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4420

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\e578618.exe

                                                Filesize

                                                97KB

                                                MD5

                                                3f4855e34ca66d4a8d94da47ea4b3cbc

                                                SHA1

                                                0ff399f134c2bd145b036be821422c2103d5edb0

                                                SHA256

                                                57aaf3e40638ea3b12e7c2b5626d777125d2a484ddefec767271132195842fb0

                                                SHA512

                                                42e89070a4dcdaae7368b3543a3bf5a7750872ac3405f66478def13d3a33db9799fee767c312fa1e13190ee9caee8db194e551631900bb868e04f6d6244a7be3

                                              • memory/1332-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1332-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1332-23-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1332-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1332-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1888-15-0x0000000001630000-0x0000000001632000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1888-26-0x0000000001630000-0x0000000001632000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1888-48-0x0000000001630000-0x0000000001632000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1888-12-0x00000000045A0000-0x00000000045A1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1888-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/1888-11-0x0000000001630000-0x0000000001632000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4760-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4760-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4784-19-0x0000000000730000-0x0000000000732000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4784-18-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-32-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-8-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-33-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-27-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-34-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-35-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-36-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-37-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-39-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-22-0x0000000000730000-0x0000000000732000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4784-24-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-10-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-38-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-14-0x0000000000740000-0x0000000000741000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4784-9-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-53-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-54-0x0000000000730000-0x0000000000732000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/4784-55-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-56-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-58-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-59-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-61-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-63-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-68-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/4784-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/4784-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB