Analysis

  • max time kernel
    165s
  • max time network
    143s
  • 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 02:53

General

  • Target

    935ddf52101f0cffb7c0727ce8eaac8ed75d2c68d72bb7aa3ca2362a86fce621.exe

  • Size

    448KB

  • MD5

    8031996708f8f4ca9fbce16bb4087460

  • SHA1

    19fa1270c2bc54dd18ad84cb69b6e3d83175b506

  • SHA256

    935ddf52101f0cffb7c0727ce8eaac8ed75d2c68d72bb7aa3ca2362a86fce621

  • SHA512

    e3c63e4e0c6fdf7c57c81b98e17924fafb33811ee67f986405baf7a0873797256c28a9cb3411bccc8e6c03fb2e849798f9d2014021a24922303e959864ab6e4e

  • SSDEEP

    6144:wQUbXCRs/8eFcsGBO56vsN7IrPsx0f9xfs4svy3Ncua+GbKmRfW7hWbNjn4rnUcZ:wQUbXJz56vsNKTfs4s6GJ+GS8j4TN

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 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
  • 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
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3404
      • 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:752
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:3060
                • C:\Users\Admin\AppData\Local\Temp\935ddf52101f0cffb7c0727ce8eaac8ed75d2c68d72bb7aa3ca2362a86fce621.exe
                  "C:\Users\Admin\AppData\Local\Temp\935ddf52101f0cffb7c0727ce8eaac8ed75d2c68d72bb7aa3ca2362a86fce621.exe"
                  2⤵
                  • Modifies firewall policy service
                  • UAC bypass
                  • Windows security bypass
                  • Windows security modification
                  • Checks whether UAC is enabled
                  • Enumerates connected drives
                  • Drops autorun.inf file
                  • Drops file in Program Files directory
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  • System policy modification
                  PID:792
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4140
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3668
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3484
                    • C:\Windows\system32\taskhostw.exe
                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                      1⤵
                        PID:2420
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                        1⤵
                          PID:2336
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                            PID:2304
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:1016
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:768

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/792-132-0x0000000000400000-0x0000000000475000-memory.dmp

                                Filesize

                                468KB

                              • memory/792-133-0x00000000024B0000-0x000000000353E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/792-134-0x00000000024B0000-0x000000000353E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/792-135-0x00000000024B0000-0x000000000353E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/792-136-0x0000000000400000-0x0000000000475000-memory.dmp

                                Filesize

                                468KB