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Analysis

  • max time kernel
    153s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2022, 02:27

General

  • Target

    fd3dacc6a77b9dcdebac15effe86bb88985415cc3bbb2f1904f9de6cb3594eb3.dll

  • Size

    120KB

  • MD5

    0a1ddf0a30a705624a875f6de419e8ea

  • SHA1

    2b098735ee7e85811669e0a31d6ac5f0943c70a5

  • SHA256

    fd3dacc6a77b9dcdebac15effe86bb88985415cc3bbb2f1904f9de6cb3594eb3

  • SHA512

    67426cd549e06104e1fca7fad6948a62939ffad7c4b5def921260289f087f67bc87f4aa78f0706495b573144dd715bfcf5efbab7c449af8c230c724231c86bf1

  • SSDEEP

    1536:s/smIuMlrJLlak253CGI0ycfjc7UiK1Q0eE/VK17xy/3IhQ9Iv:qMhDb2Cj97UiK1Z/VmVykiG

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 4 IoCs
  • UPX packed file 5 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 15 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 57 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1012
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2544
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2904
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:2696
            • C:\Windows\system32\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd3dacc6a77b9dcdebac15effe86bb88985415cc3bbb2f1904f9de6cb3594eb3.dll,#1
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4564
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd3dacc6a77b9dcdebac15effe86bb88985415cc3bbb2f1904f9de6cb3594eb3.dll,#1
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3348
                • C:\Users\Admin\AppData\Local\Temp\e570436.exe
                  C:\Users\Admin\AppData\Local\Temp\e570436.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:2700
                • C:\Users\Admin\AppData\Local\Temp\e57086c.exe
                  C:\Users\Admin\AppData\Local\Temp\e57086c.exe
                  4⤵
                  • Executes dropped EXE
                  PID:3456
                • C:\Users\Admin\AppData\Local\Temp\e570ce1.exe
                  C:\Users\Admin\AppData\Local\Temp\e570ce1.exe
                  4⤵
                  • Executes dropped EXE
                  PID:3412
                • C:\Users\Admin\AppData\Local\Temp\e570d3e.exe
                  C:\Users\Admin\AppData\Local\Temp\e570d3e.exe
                  4⤵
                  • Executes dropped EXE
                  PID:4964
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3276
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3680
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:3164
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                  1⤵
                    PID:3176
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                    1⤵
                      PID:3652
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3536
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3444
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3376
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:2504
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2656
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:792
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:784
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4320

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e570436.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e570436.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e57086c.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e57086c.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e570ce1.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e570ce1.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e570d3e.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • C:\Users\Admin\AppData\Local\Temp\e570d3e.exe

                                      Filesize

                                      97KB

                                      MD5

                                      58570beb55948965cf653e558ffe1eca

                                      SHA1

                                      d78fdcaa0aa9cd81a6b4160156127d5465bbdab2

                                      SHA256

                                      5a85aef13a037352ad95973b26c37b244aed14396b3cd76ccec098dbc54d209f

                                      SHA512

                                      2064e11e2644748e9214b3039f76845432aef7a517d5bc1bb67c0912f6f12fbfe1d4d85fcdc987327808aafb952e8cc41b3a006edfcc7a3a712a8cde0bb30146

                                    • memory/2700-136-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2700-154-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2700-139-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2700-152-0x00000000007D0000-0x000000000188A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2700-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3348-137-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3412-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3412-157-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3412-155-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3456-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3456-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB