Analysis

  • max time kernel
    31s
  • 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
    22-12-2024 11:00

General

  • Target

    75de1d036390046c10747a619cd88fac475dee020fb637fe1ac3b23cbf04782bN.dll

  • Size

    120KB

  • MD5

    e9d018983175d806a08dcece2a272640

  • SHA1

    185c56664963c3c544bc0cc13192d28aa45addb7

  • SHA256

    75de1d036390046c10747a619cd88fac475dee020fb637fe1ac3b23cbf04782b

  • SHA512

    ff2315a781276505ec4f6c51bc32e06c9499358ed0455b7f87b36221faa9f654dea02b31f2d45a4666ae51b4bb0e1c8615f09bad51680b99079c33729bb2e6ef

  • SSDEEP

    3072:dcK/3E5esCxHCG4TjiD55fEqPBZV432iuJ83zPW7SU:dcK/geRpcS5usXV02n83LtU

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 12 IoCs

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

  • UPX packed file 28 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:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2608
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2660
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2936
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\75de1d036390046c10747a619cd88fac475dee020fb637fe1ac3b23cbf04782bN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1788
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\75de1d036390046c10747a619cd88fac475dee020fb637fe1ac3b23cbf04782bN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4308
                      • C:\Users\Admin\AppData\Local\Temp\e5795b8.exe
                        C:\Users\Admin\AppData\Local\Temp\e5795b8.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:4220
                      • C:\Users\Admin\AppData\Local\Temp\e57977d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57977d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3604
                      • C:\Users\Admin\AppData\Local\Temp\e57c15c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c15c.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:388
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3600
                            • 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:4328
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1992
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1544

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5795b8.exe

                                    Filesize

                                    97KB

                                    MD5

                                    6a2c388e87f0789ad17db2209cf198a3

                                    SHA1

                                    ac356ae1f28741be34fbeeb708e16996f8e74360

                                    SHA256

                                    420de4014dbe4875d062976c112c21d143dde44a058387b5d5bed65da10b6d2f

                                    SHA512

                                    cfa547e48176f9465b2411811b86de6e2d4c9550bb5d6f115d8296fa0c49b613a712e79856b6183506e5dabf24b449a08fc85f8876fca1b75b68d30c653ce56e

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    f91303b94386f14d7509ae0c7f4bb2b1

                                    SHA1

                                    a1b0c61c73d58b562c50346c7f7f4b637746f101

                                    SHA256

                                    543839c345a6a6880f15fe09a06e9dff13cf988a857a1c51b9d3834c1b98ffe4

                                    SHA512

                                    79779854cf861acbccc5588503de6b415cbc3c26c2c06fecffee839b0fddfe216598d7885068eb7d5784df2dc7e51adb8ae8b49e92f70f258c32f0d29cc4d66a

                                  • memory/388-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/388-110-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/388-98-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/388-147-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/388-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3604-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3604-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3604-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3604-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3604-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3604-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-53-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4220-7-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-6-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-32-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-40-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-26-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4220-33-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-28-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-29-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-24-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-55-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-57-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-58-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-60-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-61-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-63-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-65-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-67-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-71-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4220-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4220-12-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4308-27-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4308-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4308-19-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4308-20-0x0000000000B10000-0x0000000000B11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4308-21-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                    Filesize

                                    8KB