Analysis

  • max time kernel
    94s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 15:48

General

  • Target

    551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll

  • Size

    120KB

  • MD5

    64dd849b9e0965465e172a7836095b56

  • SHA1

    2fcca9e29d4ee0c90d16e44585efc365c15ac2e4

  • SHA256

    551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5

  • SHA512

    f15966894b5d4054c53d9ac1ae4c7ba3d08c01ecd8f80dcc9582e012a733aa9376f31f5706be23c9f51a4f5bb0bd8abf0de9fe89d58d8e7ff3ea8075bd981a29

  • SSDEEP

    3072:SBsiGwZMYNXwfswGW4E4hzoJoFf9b/qQT+b8h8t:eXUfjn4E4hUOFf9TqQCmQ

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 11 IoCs

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

  • UPX packed file 27 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2952
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2960
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2108
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:828
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4540
                      • C:\Users\Admin\AppData\Local\Temp\e579376.exe
                        C:\Users\Admin\AppData\Local\Temp\e579376.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:3592
                      • C:\Users\Admin\AppData\Local\Temp\e5795a8.exe
                        C:\Users\Admin\AppData\Local\Temp\e5795a8.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3212
                      • C:\Users\Admin\AppData\Local\Temp\e57b8c1.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b8c1.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:1612
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3820
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3972
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3488
                            • 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:5044
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3868
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2332

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579376.exe

                                    Filesize

                                    97KB

                                    MD5

                                    76ead63a043d27dda9338e52b7c67930

                                    SHA1

                                    8b66e56da386d79eee7d318ae87eacc0141d216c

                                    SHA256

                                    2ca55e518a8176235c3c770414d4f75b621793e6f4d522e15cbe5f6dcb7d4b32

                                    SHA512

                                    00de52c848abde9fdc2dc59119dafbc3576b989f5486a495a5273520f547e1505e832bef668f36f040715f3db7b10a88ac5a5c360cdcd19152e922894da3193e

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    134b3121e637d1d2fa63cb65549a3d0e

                                    SHA1

                                    7cb19691cd9b9fa0ea28060f1bae117bd0480381

                                    SHA256

                                    52ddf9be9cf1943dbe09df2eca99c2e1e74d6e9968f3548038beb5f5508e3ab0

                                    SHA512

                                    e8517c45dcbcf4a6d5aa6e6764a02120f52d53f4667c42480ba1c653974f4b92e95ca49cc33361d9ad0f63b307eb959aeb679305d452779e75a4eded30b7dc60

                                  • memory/1612-98-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1612-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1612-109-0x0000000000B80000-0x0000000001C3A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1612-148-0x0000000000B80000-0x0000000001C3A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1612-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1612-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1612-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1612-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3212-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3212-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3212-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3212-97-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3212-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3212-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3592-39-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-71-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-10-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-20-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3592-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3592-36-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-37-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-38-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-32-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-8-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-42-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-35-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-34-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-33-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-28-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-30-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3592-18-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-58-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-59-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3592-60-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-61-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-62-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-64-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-67-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-68-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-6-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-72-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3592-9-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3592-14-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3592-79-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4540-15-0x0000000004470000-0x0000000004472000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4540-11-0x0000000004470000-0x0000000004472000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4540-29-0x0000000004470000-0x0000000004472000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4540-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4540-19-0x0000000004500000-0x0000000004501000-memory.dmp

                                    Filesize

                                    4KB