Analysis

  • max time kernel
    94s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 09:46

General

  • Target

    985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll

  • Size

    120KB

  • MD5

    79e2cd9244974182d1b2d1e8a06b3660

  • SHA1

    d384d2bc0a36513c0f66aa3d1e61a7448e259db2

  • SHA256

    985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86

  • SHA512

    d8042dc1503c834b5f8f3c75993136aac53345ab5b37f71fb900d27b28b3ec96f858dc2af9868825f760b0d18a8ef0afdaae0e5d78a21c5547f391205e8dae90

  • SSDEEP

    3072:RLuyL6Jn12tJB3ZaAs0R6Rc+1WDT0C/3l0Huj6Av7:RLuG6JeBpO0RJTF/10Hu+M

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 29 IoCs

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

  • 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2996
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3068
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1052
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:380
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3044
                      • C:\Users\Admin\AppData\Local\Temp\e5b69b3.exe
                        C:\Users\Admin\AppData\Local\Temp\e5b69b3.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:1536
                      • C:\Users\Admin\AppData\Local\Temp\e5b6b78.exe
                        C:\Users\Admin\AppData\Local\Temp\e5b6b78.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4492
                      • C:\Users\Admin\AppData\Local\Temp\e5b8bf1.exe
                        C:\Users\Admin\AppData\Local\Temp\e5b8bf1.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:4504
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3944
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3336
                            • 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:2968
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4384

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5b69b3.exe

                                  Filesize

                                  97KB

                                  MD5

                                  0e0765ae034e3bbda33776bf32ee8019

                                  SHA1

                                  cc27f1b05945b915184e9eb1f09c0f631857a642

                                  SHA256

                                  def8552d63042ccfc2fa57fa64008d5012b1a92ba63bebfb57d0642ef09798b9

                                  SHA512

                                  ba67bdc4214c02719a500c7c32ae82142b0645d38a5ee32b8ea50472d8f9e22a22947020037231808b1e13b3fa4a986a7f118cfeeff9315c881bc82e15e8da46

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  c7e6181b0e093ddf7d1242b17b71fc5e

                                  SHA1

                                  cc77200fc2b1b44b2d4311cc0b497c480612d33b

                                  SHA256

                                  29d8a3e0a99ae3aa80ad544c3683c34c9572b1bbdc48fb2302be76cecdf11004

                                  SHA512

                                  d4b7a93943a28a09e99aec774c2428efc423979438e37ae443cc0acae3a44c568ea37b290af77c35d4ab014edf8e148099724362e75401b056cc79ae40870db9

                                • memory/1536-61-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-29-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1536-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1536-32-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-17-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-77-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-28-0x0000000001B20000-0x0000000001B22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1536-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-26-0x0000000001B20000-0x0000000001B22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1536-16-0x0000000001B30000-0x0000000001B31000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1536-74-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-73-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-48-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-35-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-69-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-68-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-64-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-59-0x0000000001B20000-0x0000000001B22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1536-63-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-60-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1536-56-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3044-27-0x00000000013C0000-0x00000000013C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3044-14-0x00000000013D0000-0x00000000013D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3044-18-0x00000000013C0000-0x00000000013C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3044-13-0x00000000013C0000-0x00000000013C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3044-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4492-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4492-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4492-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4504-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4504-53-0x0000000000570000-0x0000000000571000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4504-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4504-104-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4504-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4504-146-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB