Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 04:21

General

  • Target

    32eebfe0169fe11ad2d8b73b95a4616f444dd5915f0e748fbb7009974805076f.exe

  • Size

    143KB

  • MD5

    72d42beb983f34ac606de48e939a5b10

  • SHA1

    7b998633ae146e7826ababb42e3be759dc581852

  • SHA256

    32eebfe0169fe11ad2d8b73b95a4616f444dd5915f0e748fbb7009974805076f

  • SHA512

    0ab075f6b20fd1028ee8aa271f2cf825267b053b3f8e958cf538ff27bf5a62b3b59103acf184ac988fbc14e7e634faa7db5951dd635f684c75e041069e1ff0bb

  • SSDEEP

    3072:FNQKPWDy/I0fFJltZrpReFX3BLP/YZ2fTYuf0vAxDguBjINjq8ffvvo/W3:FNSDy/IkFthpSLPEJusvAGuBc08n3o/2

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
  • 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 28 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\sihost.exe
        sihost.exe
        1⤵
          PID:2488
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:784
          • 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:688
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:2688
                • 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\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:2692
                              • C:\Users\Admin\AppData\Local\Temp\32eebfe0169fe11ad2d8b73b95a4616f444dd5915f0e748fbb7009974805076f.exe
                                "C:\Users\Admin\AppData\Local\Temp\32eebfe0169fe11ad2d8b73b95a4616f444dd5915f0e748fbb7009974805076f.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:2956
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2604
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2500
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:772

                                  Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/2956-132-0x0000000002440000-0x00000000034CD000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/2956-133-0x0000000001000000-0x0000000001027000-memory.dmp

                                          Filesize

                                          156KB

                                        • memory/2956-134-0x0000000002440000-0x00000000034CD000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/2956-135-0x0000000002440000-0x00000000034CD000-memory.dmp

                                          Filesize

                                          16.6MB