Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 21:48

General

  • Target

    ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.exe

  • Size

    100KB

  • MD5

    9245788017a910f6bd0bd3f572909e77

  • SHA1

    e5c0f9091e4e63f7902227a1fd09b136ff601a4a

  • SHA256

    ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d

  • SHA512

    61283f7cb2739140792da2c00ebb6dbe4eb18952cc1649723afb3e5d21bd728c1b01e4c8550dd20f2c958d94e1a8b234997146413a8c3952fc6703c41ce480df

  • SSDEEP

    1536:8YuTGWA8WZ/fnAFLRi9syTx+dLoSHYKxYOUn33vvOlr5d5j5:8Fmf6i9syV+dLoS4K6PPg5H

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:796
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:800
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2680
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:1040
              • C:\Users\Admin\AppData\Local\Temp\ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.exe
                "C:\Users\Admin\AppData\Local\Temp\ae4dbc36e90010a1d49fcc42e650a6a36a2dcfff5aa84f32dee131654807c57d.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:2016
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
              1⤵
                PID:2536
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3096
                • C:\Windows\system32\sihost.exe
                  sihost.exe
                  1⤵
                    PID:2452
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3452
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3380
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3288
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3532
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4952
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3828

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/2016-132-0x0000000000400000-0x0000000000413000-memory.dmp

                                Filesize

                                76KB

                              • memory/2016-133-0x0000000002190000-0x000000000321E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2016-134-0x0000000002190000-0x000000000321E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2016-135-0x0000000002190000-0x000000000321E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/2016-136-0x0000000000400000-0x0000000000413000-memory.dmp

                                Filesize

                                76KB