Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 07:05

General

  • Target

    c2a0bfe2c697b7c3f727bbcecbaf34de1276f0233f96adc6ed2dc98a1b1d3c5c.exe

  • Size

    677KB

  • MD5

    2976f2b1d793c84ed5599def7c10f480

  • SHA1

    a085d5142384f024748a625395936933ee893b2c

  • SHA256

    c2a0bfe2c697b7c3f727bbcecbaf34de1276f0233f96adc6ed2dc98a1b1d3c5c

  • SHA512

    2fd38f79c477e56000d8d5660e80f831fbffc4212fff2f443aa571a29a276202a4c4b7332fbe58207bd8ef742a1e4f80f0c9065e4daa75db8d09648ff56edf7f

  • SSDEEP

    6144:WS0cT/lkS1W192aS4JhjOOYdRCwsjJbsfPUZMWAe09qcLtKdpJd3f6Ub+jfSyY/r:B0cBW1EROYvejJgfPkxkwytGpDd4g5

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 Program Files directory 11 IoCs
  • Drops file in Windows directory 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:408
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2408
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:2932
              • C:\Users\Admin\AppData\Local\Temp\c2a0bfe2c697b7c3f727bbcecbaf34de1276f0233f96adc6ed2dc98a1b1d3c5c.exe
                "C:\Users\Admin\AppData\Local\Temp\c2a0bfe2c697b7c3f727bbcecbaf34de1276f0233f96adc6ed2dc98a1b1d3c5c.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:372
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall set opmode disable
                  3⤵
                  • Modifies Windows Firewall
                  PID:4492
                  • C:\Windows\System32\Conhost.exe
                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                    4⤵
                      PID:3956
                  • C:\Windows\SysWOW64\NOTEPAD.EXE
                    "C:\Windows\system32\NOTEPAD.EXE"
                    3⤵
                      PID:4216
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                        PID:1600
                      • C:\Windows\SysWOW64\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE"
                        3⤵
                          PID:3924
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:2744
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3244
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3348
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3412
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2296
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2276
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3868
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                    1⤵
                                      PID:4820
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4912
                                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                        1⤵
                                          PID:3492

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • memory/372-132-0x0000000000400000-0x00000000004AD000-memory.dmp

                                                Filesize

                                                692KB

                                              • memory/372-133-0x00000000024F0000-0x0000000003523000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/372-135-0x00000000024F0000-0x0000000003523000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/372-136-0x00000000024F0000-0x0000000003523000-memory.dmp

                                                Filesize

                                                16.2MB

                                              • memory/372-143-0x0000000000400000-0x00000000004AD000-memory.dmp

                                                Filesize

                                                692KB

                                              • memory/1600-140-0x0000000000D00000-0x0000000000D17000-memory.dmp

                                                Filesize

                                                92KB

                                              • memory/3924-142-0x0000000000C50000-0x0000000000C67000-memory.dmp

                                                Filesize

                                                92KB

                                              • memory/4216-138-0x0000000000520000-0x0000000000537000-memory.dmp

                                                Filesize

                                                92KB