Analysis

  • max time kernel
    94s
  • max time network
    97s
  • 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, 17:06

General

  • Target

    5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll

  • Size

    120KB

  • MD5

    e1c5631f1ba92f549b17772d6a995b54

  • SHA1

    caaa56ba62143458fc465d590359fd3b4ddb1067

  • SHA256

    5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d

  • SHA512

    1fd1bbfbbcb50c979a30ca69f1670c240ad4c7a242e43b9dd4412816cee7a8bdf2e455e3f09d8ee07e4575b0074131f78e0b4911869538180d7fc319b92394d0

  • SSDEEP

    1536:28IrE5hfDx7LhMbveVkp09k7k8VY7BMiwwHQjTPdw836Zk4xUnR5LPVNXu:28V5RpLhAWINY7BfwwHQjTVwB5evt8

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 4 IoCs

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

  • UPX packed file 30 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 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:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2724
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3040
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4436
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1488
                      • C:\Users\Admin\AppData\Local\Temp\e5796a2.exe
                        C:\Users\Admin\AppData\Local\Temp\e5796a2.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:3988
                      • C:\Users\Admin\AppData\Local\Temp\e579ad8.exe
                        C:\Users\Admin\AppData\Local\Temp\e579ad8.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4320
                      • C:\Users\Admin\AppData\Local\Temp\e57cd91.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cd91.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:4756
                • 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:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3112
                            • 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:2096
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4088
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3368

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5796a2.exe

                                    Filesize

                                    97KB

                                    MD5

                                    9fc0cd5a4f1c19bed7377e85cae10534

                                    SHA1

                                    339ca153b5ae9f350ab647dbbe0c044d748c93f1

                                    SHA256

                                    545f6fb262838c2a8def80a440199694e13b60b828651162d872dce9bd38d966

                                    SHA512

                                    28bf5c6e11cf2a8ef7dd8da1d310feac8d5bc08ba84ea68312ea9f73b802e0441bbff3e2453516d380affcd561173d924b2336e09da6df7ca212a45662c78ae3

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    d8f90e45dfe4f907b757eed41cfa7927

                                    SHA1

                                    84109d3fe499b569669f1969e7db1ba996fcec64

                                    SHA256

                                    ff4f34ed4eeaac6cc5860ffebe87bd0e72b05590f9927fd21a7be85b65a14722

                                    SHA512

                                    075742a43c1bd2bb4551f0101ea71f1cd7cb62f605d3042fb534a380efaecd9ec9a4bc40efac678b0c91641591d04ab89b5a3c3ae4e8f3fd6b2c2ec68903d79d

                                  • memory/1488-24-0x00000000042F0000-0x00000000042F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1488-49-0x00000000042F0000-0x00000000042F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1488-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1488-28-0x00000000042F0000-0x00000000042F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1488-26-0x0000000004420000-0x0000000004421000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1488-23-0x00000000042F0000-0x00000000042F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3988-42-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-52-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-10-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-11-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-30-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3988-33-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3988-22-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-35-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3988-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3988-21-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-12-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-9-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-19-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-18-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-36-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-59-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-77-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3988-57-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-37-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-8-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-6-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-56-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-51-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-20-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3988-55-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3988-54-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4320-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4320-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4320-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4320-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4320-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4320-81-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4756-90-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-84-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4756-87-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-82-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-89-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-91-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-88-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-99-0x0000000000700000-0x0000000000701000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4756-86-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-85-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4756-125-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4756-126-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB