Analysis

  • max time kernel
    97s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 01:02

General

  • Target

    d993ebbe613070f022c8a8dd55b5289019178705bbd5e1bd7289a7921ce5b915N.dll

  • Size

    120KB

  • MD5

    799d3552efaf26235197881240893320

  • SHA1

    150ee98dba41aad7bfe19bd6472e2125ae6fecaf

  • SHA256

    d993ebbe613070f022c8a8dd55b5289019178705bbd5e1bd7289a7921ce5b915

  • SHA512

    b631a1c738404dced4eabae20c27d1747793e7476e0e10b76d88d97ccba53b3225c99fef8e2455b697616603ada36bc2c5292031e1788810997c7cb9d2b56a69

  • SSDEEP

    3072:G4u8HLdrNYDsVNug1jyymKQqWg2K8ERKV:G6HLdrNvl1mwWg2BRV

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 13 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 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2784
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:760
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3100
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d993ebbe613070f022c8a8dd55b5289019178705bbd5e1bd7289a7921ce5b915N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3136
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d993ebbe613070f022c8a8dd55b5289019178705bbd5e1bd7289a7921ce5b915N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4388
                      • C:\Users\Admin\AppData\Local\Temp\e57bb70.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb70.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:4256
                      • C:\Users\Admin\AppData\Local\Temp\e57bce7.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bce7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2324
                      • C:\Users\Admin\AppData\Local\Temp\e57e5cc.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e5cc.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:3920
                      • 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:3996
                • 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:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2236
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4188
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4628
                                • 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:2716
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4228

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57bb70.exe

                                      Filesize

                                      97KB

                                      MD5

                                      d622eb36c799a34a7f54d0d3ba729b27

                                      SHA1

                                      5fddabd6f2c7782ddb4db5d08e1b9231c4cd81a7

                                      SHA256

                                      1b654ff8c74bb239b2c30a91b0cbea02861975ba17d2a09f1a83d8f5205b087a

                                      SHA512

                                      537decd6600f2126d294d867a27c99d14cb16d2ae1a0ba4b26646407763717facfaadfe2d933c50d15ea9bb8753995930d4df906b6b6ce8e0cd969a0f7655520

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      9e6d9f55ae296a135497a1722ddd79c3

                                      SHA1

                                      bb120f03df7ef505a74c0f067dc280a32a1094a5

                                      SHA256

                                      a7db34493c388eba57da9ba001ac217868cb8485442c8fe9ec82357f99d9ffd3

                                      SHA512

                                      23f44c138a28e803f02633b9b7f999d2cef98e5c6bcd0fcf18d86ede2404f1714b147b4efc408180085122bf4d52cbf2e55870a568e12b9faf206d7a881f1709

                                    • memory/2324-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2324-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2324-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2324-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3920-159-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3920-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3920-115-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3920-103-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3920-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3996-157-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4256-64-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-26-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4256-25-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-30-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-12-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-32-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-33-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-34-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4256-6-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-16-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4256-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-56-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4256-27-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4256-58-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-59-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-60-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-62-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-66-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-73-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-75-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-74-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4256-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4256-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4388-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4388-17-0x0000000000E80000-0x0000000000E82000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4388-50-0x0000000000E80000-0x0000000000E82000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4388-14-0x0000000000E90000-0x0000000000E91000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4388-13-0x0000000000E80000-0x0000000000E82000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4388-28-0x0000000000E80000-0x0000000000E82000-memory.dmp

                                      Filesize

                                      8KB