Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 19:15

General

  • Target

    d1ca31a104faa4e5e14d825be85aa00bae3d90f6a072c5ec9f67498719222859.exe

  • Size

    1.8MB

  • MD5

    4b007c5fa95ef3d0a836e5ab7bb122b9

  • SHA1

    e5819bd7cc1984a35162919ffbee24fa862053fa

  • SHA256

    d1ca31a104faa4e5e14d825be85aa00bae3d90f6a072c5ec9f67498719222859

  • SHA512

    375027ef94bdd5021245000c2ae7fcb2ecd5e0cd98ed06f6f4dce26f042a9c1ec7dd694a9b2d2e769573b344aefdf27c366ebe6ca71a3b5db716b89dda3f159d

  • SSDEEP

    24576:OpWu6ejO9BDLdqsLIY6oF7gkqwJCXvSlLfCXYam5vQtMOt88dTrDcjIphBvVyV1u:w6iOTDLFNqwJCXvpddTl9v0V1eP

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
  • 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.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • 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 12 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\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2700
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2940
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Users\Admin\AppData\Local\Temp\d1ca31a104faa4e5e14d825be85aa00bae3d90f6a072c5ec9f67498719222859.exe
                    "C:\Users\Admin\AppData\Local\Temp\d1ca31a104faa4e5e14d825be85aa00bae3d90f6a072c5ec9f67498719222859.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
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4244
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3832
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3956
                            • 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:3788
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4608
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:452
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2012
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:872

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\bbmk.pif

                                        Filesize

                                        97KB

                                        MD5

                                        560384b3d526462e55b1bdf2c18d7a18

                                        SHA1

                                        07e738e9fd6a72de2b3f038fd9a5ec7870d49c66

                                        SHA256

                                        189ece9113ad4099cb10257ecd1563184e1299044676cbbf663fc33c42cde964

                                        SHA512

                                        6ba438a1d25139bcfc0225ac990e642a26f33876d6f478ad0fda845dc5eb32ab88427b99639b73a1504b9a5bb635e3df5ef4a247de04e572c473b6286b5afa84

                                      • memory/4244-32-0x00000000037D0000-0x00000000037D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4244-18-0x00000000037D0000-0x00000000037D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4244-4-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-16-0x00000000037E0000-0x00000000037E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4244-6-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-19-0x00000000037D0000-0x00000000037D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4244-17-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-20-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-14-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-33-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-0-0x0000000000400000-0x00000000005D8000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/4244-13-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-5-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-8-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-21-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-22-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-23-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-25-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-24-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-27-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-28-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-29-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-3-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-31-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-15-0x00000000037D0000-0x00000000037D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4244-35-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-36-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-40-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-42-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-44-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-45-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-47-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-50-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-52-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-54-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-56-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-58-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-60-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-61-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-68-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-69-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-70-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-73-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-77-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-1-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4244-89-0x00000000037D0000-0x00000000037D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4244-101-0x0000000000400000-0x00000000005D8000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/4244-102-0x00000000024D0000-0x000000000358A000-memory.dmp

                                        Filesize

                                        16.7MB