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Analysis

  • max time kernel
    181s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 19:26

General

  • Target

    ecbb9a149791dd6c72940bfafaab7b3be875873d200fdba6cfe2392fe802fd4d.exe

  • Size

    242KB

  • MD5

    0c2b933c96075287e46272be1168d0c0

  • SHA1

    f67149313c952cc96cb546f9a7d88cad4f485a99

  • SHA256

    ecbb9a149791dd6c72940bfafaab7b3be875873d200fdba6cfe2392fe802fd4d

  • SHA512

    41ffdcb204f1eb7fe59204917c5f39c54a247a7315c5ae8b41b1f4baf1880421bcab0ff4c0f5f47c2f810ec764214a2e6fc8ab4b9d307d1a6b68a4b374beb77b

  • SSDEEP

    6144:1LAOpuAQaJAbw1uZcGNpDIVpWHHfG1nE00abhsy:FWAQb4uZc+pDIXACE9hy

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 Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2416
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:2152
              • C:\Users\Admin\AppData\Local\Temp\ecbb9a149791dd6c72940bfafaab7b3be875873d200fdba6cfe2392fe802fd4d.exe
                "C:\Users\Admin\AppData\Local\Temp\ecbb9a149791dd6c72940bfafaab7b3be875873d200fdba6cfe2392fe802fd4d.exe"
                2⤵
                • UAC bypass
                • Windows security bypass
                • Disables RegEdit via registry modification
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:4872
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall set opmode disable
                  3⤵
                  • Modifies Windows Firewall
                  PID:5052
                  • C:\Windows\System32\Conhost.exe
                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                    4⤵
                      PID:5016
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3416
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:1300
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    1⤵
                      PID:2940
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4668
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3716
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3500
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            1⤵
                              PID:3344
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3256
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                1⤵
                                  PID:2976
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2576
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2444
                                    • C:\Windows\system32\msiexec.exe
                                      C:\Windows\system32\msiexec.exe /V
                                      1⤵
                                        PID:2060

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • memory/4872-132-0x0000000002260000-0x0000000003293000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4872-134-0x0000000000400000-0x0000000000442000-memory.dmp

                                        Filesize

                                        264KB

                                      • memory/4872-135-0x0000000002260000-0x0000000003293000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4872-136-0x0000000000400000-0x0000000000442000-memory.dmp

                                        Filesize

                                        264KB

                                      • memory/4872-137-0x0000000002260000-0x0000000003293000-memory.dmp

                                        Filesize

                                        16.2MB