Analysis

  • max time kernel
    35s
  • max time network
    122s
  • 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, 03:12

General

  • Target

    9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll

  • Size

    120KB

  • MD5

    d730ef0c6d538723f8e3599b390d0d00

  • SHA1

    39c1cf4b092e289336c1dcc2ab4d0e5e07a12900

  • SHA256

    9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0cc

  • SHA512

    325aff9984352aed5c1734d99b0d1905a2efeff8d8687643cb1e5c58ae71e2c9320ed87d29b0658029f8465b00c66e0b59fb3f385435522ce92a5f6b4af904da

  • SSDEEP

    3072:gBG+gymXAzaWBlWRqPQNAASbvLvdoFl7NnH/d:gBEtQuWB4qPkArbjdoFBNH

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3560
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9f9f288e6fd19b38705350bb7380f165b8c50008da87f57b730f3bcce0c0ccN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4568
                      • C:\Users\Admin\AppData\Local\Temp\e57baf3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57baf3.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:4240
                      • C:\Users\Admin\AppData\Local\Temp\e57bedb.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bedb.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1136
                      • C:\Users\Admin\AppData\Local\Temp\e57fc71.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fc71.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:1836
                      • C:\Users\Admin\AppData\Local\Temp\e57fca0.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fca0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2296
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:3748
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3324
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3392
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2648
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3172
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3364
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4584

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\e57baf3.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  bfd93b0ed7016868cd42e481a65d9b26

                                                  SHA1

                                                  dad3ae8fe55c80b78df1c0ec1db3e53e1ea68d6f

                                                  SHA256

                                                  2a2b789a75e421086df4a7b61d748f6e691447ba8488ae047e44769dd5887e33

                                                  SHA512

                                                  f0b3f45133c87108c2ba9349a10e86aecdbede7c7224e47116721bb3e1e8689485e7ef5ed1869c8033681f2eb551c3ebc49fe40060ffd30be86c989c830e61b3

                                                • C:\Windows\SYSTEM.INI

                                                  Filesize

                                                  257B

                                                  MD5

                                                  f7db3e2193785c732cde8a2062becc67

                                                  SHA1

                                                  8283fa0b56e90dcfb51318bff9b960f2b3ca4410

                                                  SHA256

                                                  e619b33443f5e8ad430164fc527cc03f8669269873830fc9f133bfa1cf405e8d

                                                  SHA512

                                                  ef29d34a23daf2504b895550c9180f192df3eb8ea7f76ffebfe98c9a3c45bfbbe5f079cf854dee0750f8881aa6ddd88f778466bfc3ee73289c7ddec833304e09

                                                • memory/1136-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1136-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1136-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1136-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1136-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1836-106-0x0000000004360000-0x0000000004361000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1836-98-0x0000000000760000-0x000000000181A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/1836-94-0x0000000000760000-0x000000000181A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/1836-97-0x0000000000760000-0x000000000181A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/1836-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1836-153-0x0000000000760000-0x000000000181A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/2296-108-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2296-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4240-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-34-0x0000000000620000-0x0000000000622000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4240-15-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4240-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-21-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-6-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-20-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-31-0x0000000000620000-0x0000000000622000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4240-43-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-44-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-46-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-63-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-64-0x0000000000620000-0x0000000000622000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4240-65-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-67-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-68-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4240-70-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-27-0x0000000000630000-0x0000000000631000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4240-12-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-13-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4240-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4568-23-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4568-29-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4568-30-0x00000000043D0000-0x00000000043D1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4568-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/4568-22-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                                  Filesize

                                                  8KB