Analysis

  • max time kernel
    96s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 00:41

General

  • Target

    8c84d1c8749d8e96ca483f777850eb7e4dfc982b7747fd0f0762658d4e50df87.dll

  • Size

    120KB

  • MD5

    aa9c8935b98c0fe6f840c94d110bbcee

  • SHA1

    2c973b90f87688c3183c74394b29ea10c6ccf7b2

  • SHA256

    8c84d1c8749d8e96ca483f777850eb7e4dfc982b7747fd0f0762658d4e50df87

  • SHA512

    39597f4375af2a5f5232bbb65bb84fada6fa01d3762df397a480340497469ea5bf5c0fd021b2895226fa53ce83871f05ff696c565437efdc8b011ccf2bc35745

  • SSDEEP

    3072:Grx8Jy/gxY37GXWMs4LPZCdEpVHsO1UD6qCbjHG9:Grx6y/trGXWMs4LIduMO1u6q39

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • 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:2688
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2784
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c84d1c8749d8e96ca483f777850eb7e4dfc982b7747fd0f0762658d4e50df87.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4180
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c84d1c8749d8e96ca483f777850eb7e4dfc982b7747fd0f0762658d4e50df87.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3996
                      • C:\Users\Admin\AppData\Local\Temp\e576448.exe
                        C:\Users\Admin\AppData\Local\Temp\e576448.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:2456
                      • C:\Users\Admin\AppData\Local\Temp\e5765fd.exe
                        C:\Users\Admin\AppData\Local\Temp\e5765fd.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
                        • System policy modification
                        PID:3720
                      • C:\Users\Admin\AppData\Local\Temp\e577f80.exe
                        C:\Users\Admin\AppData\Local\Temp\e577f80.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
                        • System policy modification
                        PID:2560
                      • C:\Users\Admin\AppData\Local\Temp\e577fa0.exe
                        C:\Users\Admin\AppData\Local\Temp\e577fa0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:5012
                • 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:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3944
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4192
                            • 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:3728
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3180
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3416
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:5024

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e576448.exe

                                      Filesize

                                      97KB

                                      MD5

                                      39200e282cf7044d235768f2fc03d928

                                      SHA1

                                      1af69089def9a1698ed9afa4d986f1533830f984

                                      SHA256

                                      2dc4143fb0cdd3f504737b8ebc3524f857a23f009dc53849e7005c5a7b149dc2

                                      SHA512

                                      22f1405e22bb23d70fcef9fdf0d8833430ed12b116c556cc70ca7df5aa412150e43d3a342bbce45b9ea3e58e0313d0e9422daf8fbef846bd4e1f6667d7ef5c28

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      3f4e534da369ce90966883cc6fa555ae

                                      SHA1

                                      fa0c4ed2808ea4c34dda85b88c9402ce004401f3

                                      SHA256

                                      99855e260d86016d4cf8ec1261759ab0d68bfabd9a36da9a805dc40a81363355

                                      SHA512

                                      5b9dc557f4b5cbe3613886e6abc8a6bcb67c2562e02e370f7d825f9ce169e961d049afa57f66cbc01c073c47e8a894fc25ee123e12504ce9378caf5748bb3c39

                                    • memory/2456-83-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-85-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-9-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-6-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-18-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-12-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-29-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2456-55-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-27-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2456-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2456-61-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2456-99-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-10-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-11-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-105-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2456-30-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-34-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-19-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-35-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-37-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-36-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-38-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-39-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-40-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-42-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-43-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-94-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-58-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2456-92-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-89-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-87-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2456-62-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-8-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-81-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-78-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2456-76-0x0000000000740000-0x00000000017FA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2560-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2560-164-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2560-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2560-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2560-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2560-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3720-165-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3720-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3720-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3720-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3720-137-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3720-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3720-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3720-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3996-28-0x0000000000D40000-0x0000000000D42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3996-24-0x0000000000D40000-0x0000000000D42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3996-50-0x0000000000D40000-0x0000000000D42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3996-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3996-20-0x0000000000D40000-0x0000000000D42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3996-21-0x0000000000D90000-0x0000000000D91000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5012-70-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5012-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5012-97-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5012-57-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/5012-162-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/5012-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB