Analysis

  • max time kernel
    33s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 04:04

General

  • Target

    8dde9f8d557b042dcf95e325f74fccd0N.dll

  • Size

    120KB

  • MD5

    8dde9f8d557b042dcf95e325f74fccd0

  • SHA1

    85f75565b8e70bd53ff5e8ce7c67cae83d59f937

  • SHA256

    bca91bd14a9c86652b19c7cc9bab840502c5e832e80eae16e9f5ca8fcfa92c5b

  • SHA512

    a88dc16ef304f677e068ce7278f712d727eefc76cfa7f08307010342459e4ae9015b13f29dc2f8abf35c9f31e0b5ac8741c0f193e9d9327921c08516c70c8f08

  • SSDEEP

    3072:KNgV3iOwuIjUVAbjSiz9qvjuqAPNQ+ccoGEf:kOMjAijPzIvjuqAV9cc4f

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 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 14 IoCs

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

  • 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2600
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2640
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2852
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3532
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dde9f8d557b042dcf95e325f74fccd0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3956
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dde9f8d557b042dcf95e325f74fccd0N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4896
                      • C:\Users\Admin\AppData\Local\Temp\e579904.exe
                        C:\Users\Admin\AppData\Local\Temp\e579904.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:1280
                      • C:\Users\Admin\AppData\Local\Temp\e579b17.exe
                        C:\Users\Admin\AppData\Local\Temp\e579b17.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:944
                      • C:\Users\Admin\AppData\Local\Temp\e57cb3f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cb3f.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 WriteProcessMemory
                        • System policy modification
                        PID:5100
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3660
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3676
                            • 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:4788
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:116
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2948
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1760
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2124
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2440

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e579904.exe

                                          Filesize

                                          97KB

                                          MD5

                                          502c1aef86bb5ee952cbcf78645a8b0b

                                          SHA1

                                          b8c5d5e7dce4a69b6baa8d11a3f12cb588dab0cf

                                          SHA256

                                          d4d0e44434730ee43a4994a6cc9d91cc6415510338b0b287e4cbf22a3c9274ab

                                          SHA512

                                          606c23e79fdb01021fcfecc2f93eddcc68d4a6ebd9d8db3490c883f52c4d477c8748050873530c563e264b5270947f12b2002fa8566cfab0726309692543935c

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          c947d50ca971a662e4455c3e144daf06

                                          SHA1

                                          0b18f264555717c48eaac71500ac6aeb4878b624

                                          SHA256

                                          96596354bc66d006183b187b887a874d86710420111309d5464af2f833f342d2

                                          SHA512

                                          6d319ce6da024f7601970ddc3fa207552725ba93eef0ecf43681739ae00f33b420bcd92a8911ecdcf881e480c74de7c2be90d1fba1c85d63e5bd7b50177be152

                                        • memory/944-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/944-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/944-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/944-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/944-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1280-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1280-8-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1280-28-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1280-12-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-19-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-6-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-18-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-27-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-31-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-33-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1280-71-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-37-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-78-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1280-40-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-23-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1280-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-46-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-47-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-67-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-65-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-57-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-58-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-59-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-61-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1280-62-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4896-52-0x0000000000540000-0x0000000000542000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4896-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4896-32-0x0000000000540000-0x0000000000542000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4896-20-0x0000000000540000-0x0000000000542000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4896-21-0x0000000000550000-0x0000000000551000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4896-24-0x0000000000540000-0x0000000000542000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5100-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5100-104-0x00000000008A0000-0x000000000195A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5100-114-0x0000000000780000-0x0000000000781000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5100-113-0x0000000000770000-0x0000000000772000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5100-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5100-148-0x00000000008A0000-0x000000000195A000-memory.dmp

                                          Filesize

                                          16.7MB