Analysis

  • max time kernel
    172s
  • max time network
    166s
  • 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, 22:04

General

  • Target

    01d7a26ea2ccd5465fd68129626d32f00cbb24348c56857cef81880c1512f302.exe

  • Size

    216KB

  • MD5

    a10c7eea8dad0d7c9b0ce4e032a0a130

  • SHA1

    50b565498d6e9c6916d06c279a6e975fd90c1ca4

  • SHA256

    01d7a26ea2ccd5465fd68129626d32f00cbb24348c56857cef81880c1512f302

  • SHA512

    5c13f3d7267b30b17ce7e558980f757f7776a431b6c379483024f79451bb3fdac30018916d16b365d9bc52ca5638b1cf67653bbb201608e42beda2f542d8d17d

  • SSDEEP

    3072:B6YgJesdiayxyvZcMO/6T4nIB5BAZldNrFPomTaMd8OEiMIL:K5dWAZcR/6TkINwl7rRP/8OE

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 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:776
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2808
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2912
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
              1⤵
                PID:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:1124
                  • C:\Users\Admin\AppData\Local\Temp\01d7a26ea2ccd5465fd68129626d32f00cbb24348c56857cef81880c1512f302.exe
                    "C:\Users\Admin\AppData\Local\Temp\01d7a26ea2ccd5465fd68129626d32f00cbb24348c56857cef81880c1512f302.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:4116
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      PID:1080
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                        PID:4656
                      • C:\Windows\SysWOW64\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE"
                        3⤵
                          PID:3228
                        • C:\Windows\SysWOW64\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE"
                          3⤵
                            PID:3360
                          • C:\Windows\SysWOW64\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE"
                            3⤵
                              PID:5016
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3096
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3304
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3400
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3464
                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                  1⤵
                                    PID:3560
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3764
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                      1⤵
                                        PID:4508

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/3228-140-0x0000000000DC0000-0x0000000000DD7000-memory.dmp

                                        Filesize

                                        92KB

                                      • memory/3360-142-0x0000000001090000-0x00000000010A7000-memory.dmp

                                        Filesize

                                        92KB

                                      • memory/4116-135-0x0000000002450000-0x0000000003481000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4116-136-0x0000000002450000-0x0000000003481000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4116-132-0x0000000002450000-0x0000000003481000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4116-133-0x0000000001000000-0x0000000001031000-memory.dmp

                                        Filesize

                                        196KB

                                      • memory/4656-138-0x0000000000EB0000-0x0000000000EC7000-memory.dmp

                                        Filesize

                                        92KB

                                      • memory/5016-144-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

                                        Filesize

                                        92KB