Analysis

  • max time kernel
    189s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 07:14

General

  • Target

    6b9785cc13c2c33eef54a1ab0b6e0beead3f2c73d89812f78bb56ee8c00a2815.exe

  • Size

    152KB

  • MD5

    3e98e957425258152cbce452302b0665

  • SHA1

    4a5700e621639634eeb4c90ffc7fcbe04bdc2475

  • SHA256

    6b9785cc13c2c33eef54a1ab0b6e0beead3f2c73d89812f78bb56ee8c00a2815

  • SHA512

    6b0d6eed1afddc8e4b61b12e38a747277f9e6a424a1fa2d2f5a652372457c0e62c9b8d516fb9e743775832fc291e02c6e6f26f08828557487669f5d49a29b5df

  • SSDEEP

    3072:QyFuu1ClPoX3eyPgcfA75syNTId1KKzm:PFIPK0cI9syhIzKr

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

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 3 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
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1008
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3512
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4884
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:4768
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:2428
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4704
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3816
                • 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\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3444
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3348
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3140
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:2032
                            • C:\Users\Admin\AppData\Local\Temp\6b9785cc13c2c33eef54a1ab0b6e0beead3f2c73d89812f78bb56ee8c00a2815.exe
                              "C:\Users\Admin\AppData\Local\Temp\6b9785cc13c2c33eef54a1ab0b6e0beead3f2c73d89812f78bb56ee8c00a2815.exe"
                              2⤵
                              • UAC bypass
                              • Windows security bypass
                              • Disables RegEdit via registry modification
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • Drops file in Program Files directory
                              • Drops file in Windows directory
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:4624
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall set opmode disable
                                3⤵
                                • Modifies Windows Firewall
                                PID:112
                              • C:\Windows\SysWOW64\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE"
                                3⤵
                                  PID:2696
                                • C:\Windows\SysWOW64\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE"
                                  3⤵
                                    PID:4716
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2892
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2808
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2708
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:796
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:792
                                        • C:\Windows\system32\BackgroundTransferHost.exe
                                          "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                          1⤵
                                            PID:2348
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                            1⤵
                                              PID:2704

                                            Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/2696-139-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

                                                    Filesize

                                                    92KB

                                                  • memory/4624-132-0x0000000001000000-0x0000000001022000-memory.dmp

                                                    Filesize

                                                    136KB

                                                  • memory/4624-133-0x0000000002440000-0x0000000003471000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/4624-135-0x0000000002440000-0x0000000003471000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/4624-136-0x0000000002440000-0x0000000003471000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/4624-137-0x0000000001000000-0x0000000001022000-memory.dmp

                                                    Filesize

                                                    136KB

                                                  • memory/4716-141-0x0000000000490000-0x00000000004A7000-memory.dmp

                                                    Filesize

                                                    92KB