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Analysis

  • max time kernel
    95s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2024, 01:19

General

  • Target

    278081c237457aae1adf9bf89b269490.dll

  • Size

    120KB

  • MD5

    278081c237457aae1adf9bf89b269490

  • SHA1

    925da4535f3fabf8a054c6c0becc373c1bdd44a9

  • SHA256

    84a6053f02280f23936da10437d8c18f0bebe8ca481d08c165cfa74c8936685b

  • SHA512

    287890a4032a99fdfd1d969f9a528d68c912446e0535a5a3d523d24a7d99c17ffadaeab16ea02c05f5ed291b3ad2c0a78086e762f221bcb7683c3006f112103c

  • SSDEEP

    1536:t4pd3AWNyzemHOzGwsOf0ZONUpcZ5OMS2gRe5qHT76fR+G5fZcUMutiqPHEu+/Sd:m8Ozt4vc6r2gU5qHT7U+y7DrIA

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 28 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2596
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2812
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2056
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\278081c237457aae1adf9bf89b269490.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1868
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\278081c237457aae1adf9bf89b269490.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2528
                      • C:\Users\Admin\AppData\Local\Temp\e577e67.exe
                        C:\Users\Admin\AppData\Local\Temp\e577e67.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4880
                      • C:\Users\Admin\AppData\Local\Temp\e577fde.exe
                        C:\Users\Admin\AppData\Local\Temp\e577fde.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3000
                      • C:\Users\Admin\AppData\Local\Temp\e57aa59.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa59.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3332
                      • C:\Users\Admin\AppData\Local\Temp\e57aa78.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa78.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4428
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3516
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3720
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3816
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3880
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3964
                          • 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:4712
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4612
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                1⤵
                                  PID:712
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:5084
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3040
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1880

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e577e67.exe

                                        Filesize

                                        97KB

                                        MD5

                                        d7ceab29bb3450d305e50a7b701a694b

                                        SHA1

                                        46021d7b5772b352ea015603aeac533d1874099d

                                        SHA256

                                        ad7dd9926ae32146dcf161a680f28c10ef6d18031f4a7d0c9fd8fb3a1ac49af9

                                        SHA512

                                        aa29a49ca617815930ee8a79b8d1af22eedffd10984639b13efdb8ae6ea337aa76cc7c22cf951f9ae06b5801867908887bd703a54e73462e0fc5daba7219afad

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        ac9f772a81e7c10690da8801a3cc61bb

                                        SHA1

                                        1eb450c707ae1eb55000eda28a38455430d1e270

                                        SHA256

                                        92593d72c1e958ab6a0cd4c4779a6660dc93299aa10260fa1d7cb6bdb4baf4c3

                                        SHA512

                                        6e857f13313580b1f704a744c9a2e810a8cf00d766bab7625b4b5f3e48c0fc8ed09ad1c40dcec14cab773097ea36f435334afed3ce94473d8dc18a9bd239176f

                                      • memory/2528-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2528-14-0x0000000001790000-0x0000000001791000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2528-18-0x00000000014A0000-0x00000000014A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2528-13-0x00000000014A0000-0x00000000014A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2528-31-0x00000000014A0000-0x00000000014A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2528-53-0x00000000014A0000-0x00000000014A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3000-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3000-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3000-30-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3332-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3332-109-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3332-157-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3332-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4428-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4880-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-33-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-34-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-40-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-19-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-32-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4880-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4880-58-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-64-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-67-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-69-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-71-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-83-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4880-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4880-93-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-22-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-23-0x0000000001B30000-0x0000000001B32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4880-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4880-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB