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Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2024, 15:45

General

  • Target

    55e3e754eaccf7ee4aeb10df8f8d8ec16e17071312fa161bf4edd6cea064c156.exe

  • Size

    1.1MB

  • MD5

    f844373145abea071ac6c6f54e05efa9

  • SHA1

    d01d2086cccd3683d8f24a1afa1c155372370b05

  • SHA256

    55e3e754eaccf7ee4aeb10df8f8d8ec16e17071312fa161bf4edd6cea064c156

  • SHA512

    9fa6e90ef0eec13d699a1cba4bce41cdb0136167e54305870550f2fb315dd08a2299dda2dcf42e420c2a606daac00d42cc32bf65937528e821861073850e1294

  • SSDEEP

    24576:7NaVpDFGkeHdXsTmMBdRfwczJ21dBD3bVPc3roJ29HXsitrt:gVFe9XWd9wclSdNr63r62FciT

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

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:372
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2940
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3052
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1108
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\55e3e754eaccf7ee4aeb10df8f8d8ec16e17071312fa161bf4edd6cea064c156.exe
                    "C:\Users\Admin\AppData\Local\Temp\55e3e754eaccf7ee4aeb10df8f8d8ec16e17071312fa161bf4edd6cea064c156.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1128
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3836
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3900
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3984
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3872
                            • 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:5016
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:880
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:3064
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3456

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • memory/1128-0-0x0000000000400000-0x0000000000BDC000-memory.dmp

                                      Filesize

                                      7.9MB

                                    • memory/1128-1-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-3-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-4-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-14-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-6-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-17-0x00000000043B0000-0x00000000043B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1128-19-0x0000000004B80000-0x0000000004B81000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1128-8-0x0000000004500000-0x0000000004501000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1128-15-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-18-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-22-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-20-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-7-0x00000000043B0000-0x00000000043B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1128-16-0x00000000043B0000-0x00000000043B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1128-5-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-25-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1128-27-0x00000000043B0000-0x00000000043B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1128-35-0x0000000000400000-0x0000000000BDC000-memory.dmp

                                      Filesize

                                      7.9MB

                                    • memory/1128-21-0x0000000002A70000-0x0000000003B2A000-memory.dmp

                                      Filesize

                                      16.7MB