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Analysis

  • max time kernel
    185s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 23:51

General

  • Target

    02d78bbec32d265fb8b6c4191e2ce96df42332f915da819d19663fd283e886a2.exe

  • Size

    171KB

  • MD5

    5db42a076e56ed573b4e6cead085f463

  • SHA1

    11b69dbf46412382d5d61973721172c5346e5328

  • SHA256

    02d78bbec32d265fb8b6c4191e2ce96df42332f915da819d19663fd283e886a2

  • SHA512

    30b2ca4a6bcb719ec6680092833037417857a7de6928a1249b5300c55402783fdd2efefc0ed0ebafa899c1cdc12b660ee3f8cedb517450792020471280217a1a

  • SSDEEP

    3072:U2NQKPWDyDRepJltZrpRSfHOCoChognPQ2ax9Iz9/scxLyJAU:HNSDyDRothpQ2CoIognlaxm9zw

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 22 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:764
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:772
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2500
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3404
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2116
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4588
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3664
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3488
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3340
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3244
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:784
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:2692
                                • C:\Users\Admin\AppData\Local\Temp\02d78bbec32d265fb8b6c4191e2ce96df42332f915da819d19663fd283e886a2.exe
                                  "C:\Users\Admin\AppData\Local\Temp\02d78bbec32d265fb8b6c4191e2ce96df42332f915da819d19663fd283e886a2.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:2912
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall set opmode disable
                                    3⤵
                                    • Modifies Windows Firewall
                                    PID:1192
                                  • C:\Windows\SysWOW64\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE"
                                    3⤵
                                      PID:4484
                                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                                      "C:\Windows\system32\NOTEPAD.EXE"
                                      3⤵
                                        PID:3836
                                      • C:\Windows\SysWOW64\NOTEPAD.EXE
                                        "C:\Windows\system32\NOTEPAD.EXE"
                                        3⤵
                                          PID:2072
                                        • C:\Windows\SysWOW64\NOTEPAD.EXE
                                          "C:\Windows\system32\NOTEPAD.EXE"
                                          3⤵
                                            PID:5104
                                      • C:\Windows\system32\taskhostw.exe
                                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                        1⤵
                                          PID:2604

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/2072-143-0x0000000000350000-0x0000000000367000-memory.dmp

                                          Filesize

                                          92KB

                                        • memory/2912-141-0x0000000001000000-0x0000000001028000-memory.dmp

                                          Filesize

                                          160KB

                                        • memory/2912-136-0x0000000002440000-0x0000000003473000-memory.dmp

                                          Filesize

                                          16.2MB

                                        • memory/2912-132-0x0000000001000000-0x0000000001028000-memory.dmp

                                          Filesize

                                          160KB

                                        • memory/2912-135-0x0000000002440000-0x0000000003473000-memory.dmp

                                          Filesize

                                          16.2MB

                                        • memory/2912-133-0x0000000002440000-0x0000000003473000-memory.dmp

                                          Filesize

                                          16.2MB

                                        • memory/3836-140-0x0000000000750000-0x0000000000767000-memory.dmp

                                          Filesize

                                          92KB

                                        • memory/4484-138-0x0000000000D80000-0x0000000000D97000-memory.dmp

                                          Filesize

                                          92KB

                                        • memory/5104-145-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

                                          Filesize

                                          92KB