Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 13:58

General

  • Target

    8de5357a70e466de907605c3d3eb98de34a5fb6b34a0c163378ca1ed5878f05bN.dll

  • Size

    120KB

  • MD5

    f2d47f6dafa106b3af783201a803f4f0

  • SHA1

    fee0e7e1a4a7530754079d6ca4f59e8926420d5f

  • SHA256

    8de5357a70e466de907605c3d3eb98de34a5fb6b34a0c163378ca1ed5878f05b

  • SHA512

    274866b9c70b9e11cd38fe5135358cfbb43bdebcf6266e57cb794f8c63adc94d76d189873c362aa5a91c9bb7630ebcd982417689f13751cf5f8e4c3a9afbdb5b

  • SSDEEP

    1536:6NOBmW/5lqc6pyH6DghV9CYCAViO9d+ImHEg6AcQw1G5L62nPdoJU/24Jjr:rLhlqcGpMqdAV7+ImHp6lh1Q68yJ

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 4 IoCs
  • 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.

  • UPX packed file 34 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 5 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:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2816
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:668
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3144
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8de5357a70e466de907605c3d3eb98de34a5fb6b34a0c163378ca1ed5878f05bN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4636
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8de5357a70e466de907605c3d3eb98de34a5fb6b34a0c163378ca1ed5878f05bN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:548
                      • C:\Users\Admin\AppData\Local\Temp\e578c32.exe
                        C:\Users\Admin\AppData\Local\Temp\e578c32.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:3680
                      • C:\Users\Admin\AppData\Local\Temp\e578f01.exe
                        C:\Users\Admin\AppData\Local\Temp\e578f01.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4704
                      • C:\Users\Admin\AppData\Local\Temp\e57a836.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a836.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4076
                      • C:\Users\Admin\AppData\Local\Temp\e57a856.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a856.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:3240
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3836
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3904
                        • 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:4156
                            • 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:2428
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3248
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4508
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:232

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e578c32.exe

                                      Filesize

                                      97KB

                                      MD5

                                      8352daf5ec53cf7b1354195a68cfdad5

                                      SHA1

                                      091be40443c0132932fd2726f757997ae930215e

                                      SHA256

                                      1858bcbfc23a93e8abcf881f594e525588e9dc2857b1403467306ad35944b378

                                      SHA512

                                      e6e0d2e55b7485f215890b808be80ab08b37e44ff7162ee2f86633f7ef19e9b81ef82a4101482ddbff42810368dedebb1ca42b70e74032011bd1ac506ffcc743

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      29631914aaa97a12402aa19a235ef505

                                      SHA1

                                      d6b38510076d3c43f8150f4e1bd3a60803fba72a

                                      SHA256

                                      7694c3050e92db9a085c472d383f1fbfeaadab8824d2fe7e67c5ed6a0609efb4

                                      SHA512

                                      7d8e71c27514b984cc99cf66f4590be46040c653d0c2c333583d811dc566940c3517d2179dc2bd9b2f93bb63698347c62c9e829415288062bdda9794cdc8e09d

                                    • memory/548-31-0x0000000002A90000-0x0000000002A91000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/548-30-0x00000000029E0000-0x00000000029E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-24-0x00000000029E0000-0x00000000029E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-23-0x00000000029E0000-0x00000000029E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/548-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3240-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3240-164-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3240-165-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3240-126-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3240-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3240-71-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3240-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3240-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3680-60-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-92-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-18-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-9-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-8-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-19-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-36-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-37-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-38-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-39-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-40-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-42-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-43-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-22-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-56-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-58-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3680-59-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-21-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-62-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-28-0x0000000000740000-0x0000000000741000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3680-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3680-34-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3680-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-32-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3680-10-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-11-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-102-0x0000000000730000-0x0000000000732000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3680-114-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3680-76-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-80-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-81-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-83-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-84-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-86-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-88-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-98-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-91-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-20-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3680-17-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4076-94-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4076-69-0x0000000000570000-0x0000000000571000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4076-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4076-72-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4076-74-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4704-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4704-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4704-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4704-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4704-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB