Analysis

  • max time kernel
    128s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 18:29

General

  • Target

    ac8f4580f3d36e7acdf3553625055555.exe

  • Size

    100KB

  • MD5

    ac8f4580f3d36e7acdf3553625055555

  • SHA1

    377d8ac3a9033d3982a439c87fb71d300f557f30

  • SHA256

    e1856942861a3ee59ed5310cf401ab851226089d4acd667d40bb7893ad9d4710

  • SHA512

    7ff2038664f592046b62c36f0814c6f8f65dae206bc21d07b0da4b8d64f139491667e147369159ac3a410a6b99a7143550ab8f3fb0ec559a944dd20aab232a07

  • SSDEEP

    3072:gtGBwkyGeZ/HocD8OK1WtS7ET2u8HEmdA:YGB4G6QcD8qtSdEmd

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 38 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:4056
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:4204
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:4232
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:2816
            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
              1⤵
                PID:4880
              • C:\Users\Admin\AppData\Local\Temp\ac8f4580f3d36e7acdf3553625055555.exe
                "C:\Users\Admin\AppData\Local\Temp\ac8f4580f3d36e7acdf3553625055555.exe"
                1⤵
                • 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:3784
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3760
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4172
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:1296
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3968
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3844
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3668
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3480
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2632
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2472
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2460
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:784
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:780
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4960
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4816
                                          • C:\Windows\system32\DllHost.exe
                                            C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                            1⤵
                                              PID:1188

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\hehxod.pif

                                                    Filesize

                                                    100KB

                                                    MD5

                                                    b712db7bc32e437ed7b0c3e3ec6fe1cd

                                                    SHA1

                                                    c3d86142a50dba50463448069b48eaadc8d3c05e

                                                    SHA256

                                                    50401694d26e9b1f403f48097ee4d67de72219320b260c5fdb100925bf861b61

                                                    SHA512

                                                    b22c514e23391dfd109f8df518d2dd8ff53aab222c96c6da62866705a1a81d212f62fe623a8781a715707194de2a202bbc4cc02185586f71680041434767aae1

                                                  • memory/3784-27-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-32-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-6-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3784-7-0x0000000004370000-0x0000000004371000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3784-10-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3784-5-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-8-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-11-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-12-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-13-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-14-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-15-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-16-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-17-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-18-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-19-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-20-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                                    Filesize

                                                    76KB

                                                  • memory/3784-23-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-24-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-4-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-25-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-22-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-36-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-38-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-39-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-41-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-42-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-43-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-45-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-47-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-49-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-52-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-53-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-55-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-58-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-59-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-2-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-69-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-71-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-73-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-75-0x00000000021C0000-0x000000000324E000-memory.dmp

                                                    Filesize

                                                    16.6MB

                                                  • memory/3784-78-0x0000000003D60000-0x0000000003D62000-memory.dmp

                                                    Filesize

                                                    8KB