Analysis

  • max time kernel
    123s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2023 07:01

General

  • Target

    NEAS.6220be38a1004c55bd70c69ad5e88e20.dll

  • Size

    120KB

  • MD5

    6220be38a1004c55bd70c69ad5e88e20

  • SHA1

    f4d09b0cabc51d99779bd033a599e152d775613d

  • SHA256

    e9e933ad3317b741b2dd01c809f8deccace002cac9919092b5b9c898550f798f

  • SHA512

    dde68e7b594174b5b80524718cd0d3468128abb8925c9066c36cda090136ff25510e469d2e4f2e842d1878b918f88744b1e4e59a8f9555900ae7138cfcfa4b7c

  • SSDEEP

    1536:6dqTlv4+5EP82kTSvWD3Rv4fhXLkb8UCOmQiTp0Vy3V+EyttJ5aZJOor:yqTtzo82kBlv4fh7wjYWbEetJ5IoK

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 22 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3804
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:3904
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4604
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3452
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3688
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3596
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:3404
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:3228
                          • C:\Windows\system32\rundll32.exe
                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.6220be38a1004c55bd70c69ad5e88e20.dll,#1
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4884
                            • C:\Windows\SysWOW64\rundll32.exe
                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.6220be38a1004c55bd70c69ad5e88e20.dll,#1
                              3⤵
                              • Suspicious use of WriteProcessMemory
                              PID:1488
                              • C:\Users\Admin\AppData\Local\Temp\e582b22.exe
                                C:\Users\Admin\AppData\Local\Temp\e582b22.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:1332
                              • C:\Users\Admin\AppData\Local\Temp\e584b5c.exe
                                C:\Users\Admin\AppData\Local\Temp\e584b5c.exe
                                4⤵
                                • Executes dropped EXE
                                PID:4024
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2740
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2440
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2404
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                1⤵
                                  PID:3160
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1644
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                    1⤵
                                      PID:1112
                                    • 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:3920
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1460
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:920

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e582b22.exe

                                            Filesize

                                            97KB

                                            MD5

                                            8ed794ea1edca2d95efee402c77d0e76

                                            SHA1

                                            bdde552662d608c2c64a7f6a12bec42ab23ef5ea

                                            SHA256

                                            622b1044720ba44abaeaaa7bd375aec24494631f685bf7040c65671c3f2248b4

                                            SHA512

                                            448359226886f53edefcc70ea68c8b014c00a8b34872b47b945dc1e78aea05ba213669119a660d5f4bef0ff81275af141d7ab5e70416e853dec9e1be3c027e23

                                          • C:\Users\Admin\AppData\Local\Temp\e582b22.exe

                                            Filesize

                                            97KB

                                            MD5

                                            8ed794ea1edca2d95efee402c77d0e76

                                            SHA1

                                            bdde552662d608c2c64a7f6a12bec42ab23ef5ea

                                            SHA256

                                            622b1044720ba44abaeaaa7bd375aec24494631f685bf7040c65671c3f2248b4

                                            SHA512

                                            448359226886f53edefcc70ea68c8b014c00a8b34872b47b945dc1e78aea05ba213669119a660d5f4bef0ff81275af141d7ab5e70416e853dec9e1be3c027e23

                                          • C:\Users\Admin\AppData\Local\Temp\e584b5c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            8ed794ea1edca2d95efee402c77d0e76

                                            SHA1

                                            bdde552662d608c2c64a7f6a12bec42ab23ef5ea

                                            SHA256

                                            622b1044720ba44abaeaaa7bd375aec24494631f685bf7040c65671c3f2248b4

                                            SHA512

                                            448359226886f53edefcc70ea68c8b014c00a8b34872b47b945dc1e78aea05ba213669119a660d5f4bef0ff81275af141d7ab5e70416e853dec9e1be3c027e23

                                          • C:\Users\Admin\AppData\Local\Temp\e584b5c.exe

                                            Filesize

                                            97KB

                                            MD5

                                            8ed794ea1edca2d95efee402c77d0e76

                                            SHA1

                                            bdde552662d608c2c64a7f6a12bec42ab23ef5ea

                                            SHA256

                                            622b1044720ba44abaeaaa7bd375aec24494631f685bf7040c65671c3f2248b4

                                            SHA512

                                            448359226886f53edefcc70ea68c8b014c00a8b34872b47b945dc1e78aea05ba213669119a660d5f4bef0ff81275af141d7ab5e70416e853dec9e1be3c027e23

                                          • memory/1332-12-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-48-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-9-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-37-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-10-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-74-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1332-6-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1332-29-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-33-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-31-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1332-34-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-55-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-35-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-27-0x0000000000780000-0x0000000000781000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1332-36-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-66-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1332-53-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-8-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-47-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-39-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-38-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-40-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-41-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-43-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-44-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1332-45-0x00000000008B0000-0x000000000196A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1488-11-0x0000000004360000-0x0000000004362000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1488-14-0x0000000004370000-0x0000000004371000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1488-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1488-19-0x0000000004360000-0x0000000004362000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1488-13-0x0000000004360000-0x0000000004362000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4024-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4024-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4024-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4024-30-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4024-78-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB