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Analysis

  • max time kernel
    59s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 02:53

General

  • Target

    9e5cf5d3ec7f386fd1b5d2d38c713cc1788b0d700d3de820c92076d5a87b3e1e.exe

  • Size

    167KB

  • MD5

    783ea5b02f1a7b010501960a5fa2f870

  • SHA1

    05801a3db30958eec2f686ed8c71ecc2799e9326

  • SHA256

    9e5cf5d3ec7f386fd1b5d2d38c713cc1788b0d700d3de820c92076d5a87b3e1e

  • SHA512

    0d6f937e80c1aceb13cc9eb6c0a04b6e7299f9a07c30aa22def667546f0bb3c12418c4410ddae6c6ff31714dcd8ba53ac85c0a0d970455b5beb229143b455a91

  • SSDEEP

    3072:kNQKPWDyEI0fFJltZrpReFX3KnapQlS+LUvdwEFCSSrkjMDOuoz:kNSDyEIkFthpbaWlQCJkjMS

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 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:376
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2268
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:1932
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4724
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3780
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3580
                  • 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\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3272
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:2972
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:2248
                              • C:\Users\Admin\AppData\Local\Temp\9e5cf5d3ec7f386fd1b5d2d38c713cc1788b0d700d3de820c92076d5a87b3e1e.exe
                                "C:\Users\Admin\AppData\Local\Temp\9e5cf5d3ec7f386fd1b5d2d38c713cc1788b0d700d3de820c92076d5a87b3e1e.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:5044
                                • C:\Windows\SysWOW64\netsh.exe
                                  netsh firewall set opmode disable
                                  3⤵
                                  • Modifies Windows Firewall
                                  PID:2412
                                  • C:\Windows\System32\Conhost.exe
                                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                    4⤵
                                      PID:1436
                                  • C:\Windows\SysWOW64\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE"
                                    3⤵
                                      PID:1584
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2416
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2280
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:224

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • memory/5044-132-0x0000000001000000-0x0000000001025000-memory.dmp

                                        Filesize

                                        148KB

                                      • memory/5044-133-0x0000000002440000-0x0000000003473000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/5044-135-0x0000000002440000-0x0000000003473000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/5044-136-0x0000000002440000-0x0000000003473000-memory.dmp

                                        Filesize

                                        16.2MB