Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 02:14

General

  • Target

    43ece012b84d49deb9180ce6212c3e82b70893b52488d7d52591804116c449d8N.dll

  • Size

    120KB

  • MD5

    6b3e0a344ad1528dad785297c7a67290

  • SHA1

    6429d162a1fc5e99af3443ce73274fb87863c7e7

  • SHA256

    43ece012b84d49deb9180ce6212c3e82b70893b52488d7d52591804116c449d8

  • SHA512

    ca79b0134018c402e52a409b4e19a419c316c9a4abead9b88e6ef8af2be11cf262eb693fd0203fd97a5bd1cc573f7caf7b10258c1d23d3e3ade02e7bdccbc855

  • SSDEEP

    3072:YFkOYBipsDgIl/R0KEHNRjRkLLB0HKILE0T9BZh6b:Y+OqipuytRjiZ0Htnng

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 10 IoCs

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

  • UPX packed file 27 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2644
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2792
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\43ece012b84d49deb9180ce6212c3e82b70893b52488d7d52591804116c449d8N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1212
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\43ece012b84d49deb9180ce6212c3e82b70893b52488d7d52591804116c449d8N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4496
                      • C:\Users\Admin\AppData\Local\Temp\e57c66d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c66d.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:1444
                      • C:\Users\Admin\AppData\Local\Temp\e57c890.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c890.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1072
                      • C:\Users\Admin\AppData\Local\Temp\e57e5dc.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e5dc.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4012
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4020
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2960
                            • 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:4396
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1624

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57c66d.exe

                                  Filesize

                                  97KB

                                  MD5

                                  1af7f1f56ebf2527790c00a8e770ad99

                                  SHA1

                                  1790b8b2fa68a147d307e7883bb065f4ec4be5cc

                                  SHA256

                                  3abfcf8683979b3822cb77d62b43ccd9b07f4b17642ea19896d35aa31cd3a5fa

                                  SHA512

                                  bba54cf1b7f4b7bc992cb4fdc602a45dfbb48ccb589dfbdea5a6b888a7f0969bfb159d236a3cd9bf21810d05be3e413df059efe116ee8cca14ebf3ed5ae9e040

                                • memory/1072-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1072-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1072-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1072-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1072-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1072-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-65-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-69-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-14-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1444-30-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1444-24-0x0000000000520000-0x0000000000521000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1444-7-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-28-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-85-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-20-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-12-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-32-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-27-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-37-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-38-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-40-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-75-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-50-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-49-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-74-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-73-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-71-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-13-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-9-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-10-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-59-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-60-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-61-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-64-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-11-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1444-67-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4012-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4012-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4012-54-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4012-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4012-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4496-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4496-43-0x00000000039A0000-0x00000000039A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4496-21-0x00000000039A0000-0x00000000039A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4496-22-0x0000000004000000-0x0000000004001000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4496-29-0x00000000039A0000-0x00000000039A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4496-25-0x00000000039A0000-0x00000000039A2000-memory.dmp

                                  Filesize

                                  8KB