Analysis

  • max time kernel
    94s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 22:43

General

  • Target

    d55b819d7828c40532ec02714b72f8f0N.dll

  • Size

    120KB

  • MD5

    d55b819d7828c40532ec02714b72f8f0

  • SHA1

    6a70faaf0874c891de1c4fe7b42bfe7f343af7e4

  • SHA256

    16562cd2981b9a394ca66dfee352823d8f2f12907fff450f30db0cb7c82be5d5

  • SHA512

    9407239892c6040b06b40db1057599f05126c3b0a6d42310e2acd799cf401aeb6e6590910ba4c69979ceab13439749aacad38307bc684ba4d9d4a8571e6f7e4a

  • SSDEEP

    3072:qr/g9LcGId+dmRWXGofR3lrwSyzkesA43m+:Yw40XJfRNF3b3

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 32 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 15 IoCs

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

  • 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2856
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3060
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3556
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55b819d7828c40532ec02714b72f8f0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1824
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55b819d7828c40532ec02714b72f8f0N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4608
                      • C:\Users\Admin\AppData\Local\Temp\e57a103.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a103.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:4572
                      • C:\Users\Admin\AppData\Local\Temp\e57a335.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a335.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1628
                      • C:\Users\Admin\AppData\Local\Temp\e57bc0c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc0c.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:2044
                • 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:3860
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4016
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4080
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3944
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4172
                            • 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:4160
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4196
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3924
                                  • C:\Windows\system32\BackgroundTaskHost.exe
                                    "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                    1⤵
                                      PID:1964
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2252
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3080

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57a103.exe

                                          Filesize

                                          97KB

                                          MD5

                                          2126eb1dedbe8b8911d5650fcbeeaa02

                                          SHA1

                                          42d3bda145cb7495f69584b55fc57e111c091ebe

                                          SHA256

                                          3765db4f5db45e6519bf23552321087445853f56e797ca8f8a8ef75e2ce2e2da

                                          SHA512

                                          b0f3812d7b7b92f586f182de4f9287e63890ef39412c2d36276f2533adb095e5c099a8cb2e27ed4bc237f0d7583ac933fb7b1b541826d4f391345e94d3b33446

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          c7ab57ed9df72b4fd46a167cd52a4ab2

                                          SHA1

                                          9f27871fc5b9302827a6a3349042cab40e80da0b

                                          SHA256

                                          8b0342fb3d6b713690832977a95a2b9ac3b3d749e247b3f8b8a5c0c2323cda69

                                          SHA512

                                          057a4462fc498fccb74bac785ec639652b7c0677b23a062dfbf2710a0f67453dc368d52a8d4f4d10d1b793801709fa7d367cdcad7c29d6db80f1db10ef7ec3ca

                                        • memory/1628-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1628-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1628-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1628-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1628-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1628-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2044-157-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2044-87-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2044-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2044-63-0x0000000000530000-0x0000000000531000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2044-127-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2044-65-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2044-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2044-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4572-43-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-83-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-23-0x0000000000600000-0x0000000000601000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4572-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-40-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-42-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4572-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-51-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-55-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-56-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-57-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-34-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-18-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-28-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-19-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-27-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-30-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-67-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-69-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-72-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-74-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-76-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-78-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-80-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-102-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-13-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-85-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-93-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4608-21-0x0000000000930000-0x0000000000931000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4608-24-0x0000000000700000-0x0000000000702000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4608-20-0x0000000000700000-0x0000000000702000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4608-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4608-29-0x0000000000700000-0x0000000000702000-memory.dmp

                                          Filesize

                                          8KB