Analysis

  • max time kernel
    32s
  • 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 09:14

General

  • Target

    43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll

  • Size

    120KB

  • MD5

    bd6bf24c554754411363eefd3564fcf0

  • SHA1

    914af87f26d03a0bb163550d32160613884d65c9

  • SHA256

    43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dc

  • SHA512

    c749be361269bc2ae69524547ffedcda306b222957ffc65eaed7f9c587083f58c3affce0f09b5d69353556c6ee95618006ecf68186bebf99cd1539c59f3b3aba

  • SSDEEP

    1536:MqEFDRUCUFxB4QIEwW3ClSP/AB9WYdFXaJWgDaxUUF/Kb6uNYkkM:nCt+xB5IEGl4HfaaU1o6CYVM

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 9 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2540
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2780
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2808
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\43753f84a091d72426c49766e9daa08287454ad0857b48d5c7d4d22d2cb617dcN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4904
                      • C:\Users\Admin\AppData\Local\Temp\e5773a9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5773a9.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:464
                      • C:\Users\Admin\AppData\Local\Temp\e57760b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57760b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4284
                      • C:\Users\Admin\AppData\Local\Temp\e57a1fd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a1fd.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:3256
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4080
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2744
                            • 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:3348
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:312
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:64

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5773a9.exe

                                    Filesize

                                    97KB

                                    MD5

                                    aabf6e4da2db7e6d74322ceefa9c0313

                                    SHA1

                                    b77a121679d46601edf948f3d6f2f9f328c3cbdc

                                    SHA256

                                    9a345049bb944c3ec301048ff33d817f1e0f42786955794421ccb5859179b514

                                    SHA512

                                    3d2f3a8da1380b8d902de477a911833b6db34498cf9efdbd0d53744f48af9285edcd17eaa223fd2e84247b29e6b2320f82f79ef9dc006e49ed039551522d09b7

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    9f04378f47831ccc8b870ef45eb64044

                                    SHA1

                                    9b4577704d5f630507307e46fcdca5677e27d940

                                    SHA256

                                    145fd861dc92aa1032b5ebfef42b85a18573f041fed32d54308710712fe43846

                                    SHA512

                                    0b5ff073245e9914cd797ce3f018b767c98053ae475b47309eda7ecd8731688098c62d04cf77984cb93883d9ee457f5eaa9ca8371a59e5ac8bbfa930e7078d52

                                  • memory/464-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-12-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-14-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-28-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/464-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/464-65-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-33-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/464-21-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-64-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-63-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-23-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-15-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-46-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-16-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-32-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/464-61-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-39-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-60-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-58-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/464-44-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-56-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/464-57-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3256-141-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3256-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3256-94-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-100-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-95-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-111-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3256-110-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3256-119-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-142-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-91-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3256-101-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4284-43-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4284-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4284-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4284-41-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4284-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4284-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4904-50-0x0000000004340000-0x0000000004342000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4904-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4904-22-0x0000000004340000-0x0000000004342000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4904-30-0x0000000004340000-0x0000000004342000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4904-24-0x0000000004340000-0x0000000004342000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4904-31-0x0000000004390000-0x0000000004391000-memory.dmp

                                    Filesize

                                    4KB