Analysis

  • max time kernel
    63s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 05:33

General

  • Target

    c6e2fccd7ea71b3b5567de1b77eafb7aff20c2bea581619dae599dc9eebf06e7.dll

  • Size

    120KB

  • MD5

    5429eca8c68d697d8577c35d14ca3090

  • SHA1

    54bb976eb4ab550fcb84e0a3ec3f80b5dce0775b

  • SHA256

    c6e2fccd7ea71b3b5567de1b77eafb7aff20c2bea581619dae599dc9eebf06e7

  • SHA512

    36fecad3320b7bff6af9a3dcbc7ab999067fd38726d1004d62449e61ad0e846c3259458a6bee092dcf0cf3a8368f61d90d4e2cdc2281f8494d5a6c317f1c24dd

  • SSDEEP

    3072:G9I05pmuZhQieJNIi4gnn8sQVROd0dGNTd8:o5wuzQvIwn8DVROdY

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 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 6 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2632
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3508
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3420
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:2444
                • C:\Windows\system32\rundll32.exe
                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6e2fccd7ea71b3b5567de1b77eafb7aff20c2bea581619dae599dc9eebf06e7.dll,#1
                  1⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2732
                  • C:\Windows\SysWOW64\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6e2fccd7ea71b3b5567de1b77eafb7aff20c2bea581619dae599dc9eebf06e7.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2948
                    • C:\Users\Admin\AppData\Local\Temp\e56d6dd.exe
                      C:\Users\Admin\AppData\Local\Temp\e56d6dd.exe
                      3⤵
                      • 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:3256
                    • C:\Users\Admin\AppData\Local\Temp\e56dd07.exe
                      C:\Users\Admin\AppData\Local\Temp\e56dd07.exe
                      3⤵
                      • Executes dropped EXE
                      PID:2064
                    • C:\Users\Admin\AppData\Local\Temp\e56e796.exe
                      C:\Users\Admin\AppData\Local\Temp\e56e796.exe
                      3⤵
                      • Executes dropped EXE
                      PID:1908
                    • C:\Users\Admin\AppData\Local\Temp\e56e7c5.exe
                      C:\Users\Admin\AppData\Local\Temp\e56e7c5.exe
                      3⤵
                      • Modifies firewall policy service
                      • UAC bypass
                      • Windows security bypass
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Drops file in Windows directory
                      • System policy modification
                      PID:220
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4764
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3796
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3604
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3288
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3088
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:776
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2880
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2672
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3948

                                  Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e56d6dd.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56d6dd.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56dd07.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56dd07.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56e796.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56e796.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56e7c5.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • C:\Users\Admin\AppData\Local\Temp\e56e7c5.exe

                                          Filesize

                                          97KB

                                          MD5

                                          04e152c474278eff62a61decac195526

                                          SHA1

                                          8a8cbab2a2b6c21aada04dd32507ab5b2d8892e3

                                          SHA256

                                          49f23e72a5c02d79ac94c615b89624e26ce67fa72cda10a706379117a4103edc

                                          SHA512

                                          563157ea23c643d63fa03a29b7fb40d3afb67ba312709551cb9c8720e49fd5dc3f93a75f0b74ff92ad4aef09439bf63bf93c7122f03d77d2b3f7824cb6c3cc04

                                        • memory/220-156-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/220-155-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/220-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/220-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1908-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1908-157-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2064-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2064-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2948-137-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3256-139-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3256-153-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3256-152-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3256-136-0x0000000000760000-0x000000000181A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3256-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB