Analysis

  • max time kernel
    91s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 06:39

General

  • Target

    d2dd90d67b5564e5a48962b17839dca6604992c82522117c05121c52afeaf17e.exe

  • Size

    97KB

  • MD5

    1958eedc7a0588f900e5034200f2ce50

  • SHA1

    50993d7117e9c15a7a484c1e65343655a190d968

  • SHA256

    d2dd90d67b5564e5a48962b17839dca6604992c82522117c05121c52afeaf17e

  • SHA512

    e3bba12cd7eb493311ebc5bebdff62fbbfe1bcf7fb9ad7c92fde5474245813d8bc957acde54415a8921579407d5cd51243f605b96fcbd405d6ca8ee79015741f

  • SSDEEP

    1536:nr5Jn4LhnTQvbcdFwkBinR+3dfWI0p0XXz8yGWoglFC1G5ZPfuP6:H4RTWcd6nk3B0pqX9o8FCU/M

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 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 30 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • UPX packed file 30 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 14 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2744
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3104
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Users\Admin\AppData\Local\Temp\d2dd90d67b5564e5a48962b17839dca6604992c82522117c05121c52afeaf17e.exe
                    "C:\Users\Admin\AppData\Local\Temp\d2dd90d67b5564e5a48962b17839dca6604992c82522117c05121c52afeaf17e.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • 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:3528
                • 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:3840
                      • 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:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3872
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:448
                              • 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:2712
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2160
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3556
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:864

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/3528-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3528-3-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-12-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-19-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-21-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-17-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-18-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-20-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-7-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-6-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-11-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-5-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-4-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-22-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-23-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-24-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-25-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-26-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-28-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-29-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-30-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-32-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-33-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-35-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-40-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-42-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-44-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-47-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-48-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-50-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-57-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-77-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3528-65-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-62-0x00000000007D0000-0x000000000188A000-memory.dmp

                                        Filesize

                                        16.7MB