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Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 07:10

General

  • Target

    a4823e7373d249fa9e1863519811f150N.dll

  • Size

    120KB

  • MD5

    a4823e7373d249fa9e1863519811f150

  • SHA1

    2a9642310f6e005d01bf7f8ca292df39d780f8ea

  • SHA256

    1a30cddaee9769a65035e903875cd3a027bb51fbc5966d84caa58ad34cc74847

  • SHA512

    7fc345ee0db83deb244d5b824f6c6705ed190d9ca3dc7722175e9aa05264b34bef446e38f1ecc712432b7570eb36fc0cc14b858103af1970fb88a575e1ef84c1

  • SSDEEP

    3072:VkhWKfycRn3i0+x70hWCuVl/+ckztD7cosp:xKfjRnSp70wmRztD7s

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 32 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 15 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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:808
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:816
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2568
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2740
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4823e7373d249fa9e1863519811f150N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2416
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4823e7373d249fa9e1863519811f150N.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4448
                      • C:\Users\Admin\AppData\Local\Temp\e579d59.exe
                        C:\Users\Admin\AppData\Local\Temp\e579d59.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4596
                      • C:\Users\Admin\AppData\Local\Temp\e579ea1.exe
                        C:\Users\Admin\AppData\Local\Temp\e579ea1.exe
                        4⤵
                        • Executes dropped EXE
                        PID:1156
                      • C:\Users\Admin\AppData\Local\Temp\e57bdf1.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bdf1.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4220
                      • C:\Users\Admin\AppData\Local\Temp\e57be10.exe
                        C:\Users\Admin\AppData\Local\Temp\e57be10.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:3612
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • 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:3940
                      • 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:692
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3532
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2128
                              • 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:2508
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:776
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4760
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2596
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3720

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e579d59.exe

                                          Filesize

                                          97KB

                                          MD5

                                          7b1f7f5b5757aa303f7b4696e78f799f

                                          SHA1

                                          d4e83829c4773aaf3b442fcb70179dfc87bad040

                                          SHA256

                                          68a8081558b51cecfd7f6166f454ad4c071956c1ba1a83b1bea17bbbe58a6cee

                                          SHA512

                                          a8b3c58fb49a506b36a72b39c9cd548d62ac777d701494a69f9c0fd0b3ba9758fbcf20a3dc8b531f3ca0bd6976ca62c1bf4f480d5740dcf0eb8935ebf243a362

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          5263f5d1e8306e6a5ade2a05c4041a47

                                          SHA1

                                          44f895669111f2373798b50b1bd36f6504f5f3d4

                                          SHA256

                                          5458177263ce7c7f424cfd006a9b4da2d8d122ae73598f4089c99e78c5adfae4

                                          SHA512

                                          ac3105aceef8acea30b1c39292b109ab06636bcd4bfc9ab267003d7d03c203d8ab97cf5b1f58d0d214a2e5c9e8a32b3adbce45f9cdabd8b78e172cb05ff9f04d

                                        • memory/1156-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1156-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1156-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1156-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1156-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3612-162-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3612-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3612-121-0x0000000000B70000-0x0000000001C2A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3612-161-0x0000000000B70000-0x0000000001C2A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3612-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3612-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3612-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4220-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4220-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4220-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4220-142-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4220-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4448-29-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4448-14-0x0000000000A90000-0x0000000000A91000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4448-13-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4448-25-0x0000000000A00000-0x0000000000A02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4448-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4596-56-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-71-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-40-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-42-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-57-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-22-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-28-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-31-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4596-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-72-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-76-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-80-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-81-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-82-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-83-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-84-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-87-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-95-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4596-90-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4596-23-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-30-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4596-24-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4596-16-0x0000000000530000-0x0000000000531000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4596-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB