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Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 07:18

General

  • Target

    14a0b8532311d0634a43394ff3f4a8a488cb0f61c6c9dfea54fbbb6d968bd217.exe

  • Size

    100KB

  • MD5

    20bdd7221054b02eeee06314b251edef

  • SHA1

    6ba7e9d5dd35064ecf272804a4dc76ea7617dbe9

  • SHA256

    14a0b8532311d0634a43394ff3f4a8a488cb0f61c6c9dfea54fbbb6d968bd217

  • SHA512

    97602f0b698569c481b42803ca18193056915911f0819455fde2c1235561c4ea21fd957bedbf7ebf04ab144d913eca11ac863599b062bf9531842b61bc26b751

  • SSDEEP

    1536:ylfodJxfSTgjTuJS2l8tuXJU8k22mHNR3umNalJBGq9AU8kJBl4KuX6ryqvdqZQ:ylfoduUJ2lDXM+3j8vGq9ABnzq1qZ

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
  • 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 30 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:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3096
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3508
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3420
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4692
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3808
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3616
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3288
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:2640
                        • C:\Users\Admin\AppData\Local\Temp\14a0b8532311d0634a43394ff3f4a8a488cb0f61c6c9dfea54fbbb6d968bd217.exe
                          "C:\Users\Admin\AppData\Local\Temp\14a0b8532311d0634a43394ff3f4a8a488cb0f61c6c9dfea54fbbb6d968bd217.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
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:4824
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2468
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2388
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2356
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:784

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/4824-132-0x0000000000400000-0x0000000000415000-memory.dmp

                                Filesize

                                84KB

                              • memory/4824-133-0x00000000022C0000-0x000000000334E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/4824-134-0x00000000022C0000-0x000000000334E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/4824-135-0x00000000022C0000-0x000000000334E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/4824-136-0x0000000000400000-0x0000000000415000-memory.dmp

                                Filesize

                                84KB