Analysis

  • max time kernel
    93s
  • max time network
    94s
  • 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 00:17

General

  • Target

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll

  • Size

    120KB

  • MD5

    c850d056cc0d91ca955cdf7ccca4ac59

  • SHA1

    705496d93152c25d6f4b0ddaa07fd1048e924ffa

  • SHA256

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d

  • SHA512

    3fe54507833c2b3d3f2791cf7d15d14811caf576d4e7df0cec13d238b19a439d1ad2d56ea3c4049389b02c7069379d13df98c2fba641f7265e8e731dd37a1612

  • SSDEEP

    3072:1VaQc7YLD0OHwM2mq349baISXXaRT+5oWjB:s4AOHwMW34ZI+YoW1

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 32 IoCs

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

  • Drops file in Program Files directory 4 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:784
    • 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:2928
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2976
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1100
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1944
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4816
                      • C:\Users\Admin\AppData\Local\Temp\e57a5e5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a5e5.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:3008
                      • C:\Users\Admin\AppData\Local\Temp\e57a894.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a894.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:264
                      • C:\Users\Admin\AppData\Local\Temp\e57c19a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c19a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5036
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • 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:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4184
                            • 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:400
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5008
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1568

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57a5e5.exe

                                    Filesize

                                    97KB

                                    MD5

                                    d0f0188ff00e0af16ac796c8fe62404d

                                    SHA1

                                    b41943df0049f0a2dc5385627055cdbffc0678aa

                                    SHA256

                                    443659c41f012d0a0d0c12e03766a61033df262e7e28c3ef38bbad1f90ef9ff0

                                    SHA512

                                    cad504fb0cd0036e7e4a919f25a186640ad20ac970c74189efe69f5322a6127ea73cf20113e1ba08c5f83e50fe2f86413e636a0ae7b0e02cf90a85cee9d46894

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    a43501bd1e6845e58269395dfed2cd92

                                    SHA1

                                    6d4f156e4222db7f87283bbadac86d9333f3d42f

                                    SHA256

                                    550bc34bdc4d531930d5e79f1e4875f91f5d93a272be15ae1f8782b933d772f2

                                    SHA512

                                    ca17d9e40c709918ca915d9236c2a6b6c16428e8eaadf288c09e4879483fe4acfb4464bb23ffe4a563b9f3b077f9fe22716d778ab4bf2a6a45e07a3fee33a6be

                                  • memory/264-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/264-141-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/264-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/264-127-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/264-109-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/264-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/264-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/264-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3008-74-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-56-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-32-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3008-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3008-28-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3008-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-17-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-20-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3008-52-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-54-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3008-55-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-30-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3008-58-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-19-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-96-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3008-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-89-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-68-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-71-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-87-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-75-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-77-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-79-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3008-86-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4816-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4816-49-0x0000000003C40000-0x0000000003C42000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4816-23-0x0000000003C40000-0x0000000003C42000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4816-24-0x0000000003C40000-0x0000000003C42000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4816-26-0x0000000004270000-0x0000000004271000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4816-29-0x0000000003C40000-0x0000000003C42000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5036-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5036-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5036-110-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5036-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5036-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB