Analysis

  • max time kernel
    155s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 05:20

General

  • Target

    bee2964b155f31702d833e85e9ed0aa1490c33f931b58a2785be75c51fbf9588.exe

  • Size

    176KB

  • MD5

    9261acf02be129ed001a74cbab36e96a

  • SHA1

    a84f74031cca6bb7cfb14091575cbf2390930d6b

  • SHA256

    bee2964b155f31702d833e85e9ed0aa1490c33f931b58a2785be75c51fbf9588

  • SHA512

    a662f071c7a141a7c507373b0200fabb5ee25f8b95bb46ff68b107c7a478d8a3082549508a8a1977f2534e4cd0f5c42f731c4d02b27d20f37bb0e6f77b208c86

  • SSDEEP

    1536:/Kn7QhmH3QVgd54vGAsQ4P1ibJkC9P1VN43VZ57TmgMl5q0Vs16BcGSbSQ:SnUyL7hlQ3Jkq1/in5eQ

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 visibility of file extensions in Explorer 2 TTPs 1 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
  • 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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:328
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2340
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:3092
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:3048
              • C:\Users\Admin\AppData\Local\Temp\bee2964b155f31702d833e85e9ed0aa1490c33f931b58a2785be75c51fbf9588.exe
                "C:\Users\Admin\AppData\Local\Temp\bee2964b155f31702d833e85e9ed0aa1490c33f931b58a2785be75c51fbf9588.exe"
                2⤵
                • Modifies visibility of file extensions in Explorer
                • UAC bypass
                • Windows security bypass
                • Disables RegEdit via registry modification
                • Windows security modification
                • Adds Run key to start application
                • Checks whether UAC is enabled
                • Drops file in Program Files directory
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2172
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall set opmode disable
                  3⤵
                  • Modifies Windows Firewall
                  PID:4872
                  • C:\Windows\System32\Conhost.exe
                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                    4⤵
                      PID:3516
                  • C:\Windows\SysWOW64\Explorer.exe
                    Explorer
                    3⤵
                    • Modifies registry class
                    PID:2348
              • 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:3436
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3372
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4324
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4748
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3748
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3520
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2436
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2324
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:776
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                    1⤵
                                      PID:4216

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/2172-132-0x0000000000400000-0x000000000042C000-memory.dmp

                                      Filesize

                                      176KB

                                    • memory/2172-133-0x0000000002AB0000-0x0000000003AE2000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/2172-138-0x0000000002AB0000-0x0000000003AE2000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/2172-139-0x0000000002AB0000-0x0000000003AE2000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/2172-140-0x0000000000400000-0x000000000042C000-memory.dmp

                                      Filesize

                                      176KB

                                    • memory/2348-137-0x0000000000000000-mapping.dmp

                                    • memory/4872-135-0x0000000000000000-mapping.dmp