Analysis

  • max time kernel
    91s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 10:55

General

  • Target

    8aa4945b71a16b0d6dcbe9c5169f0e21470d010be70368d334f34974bd7761e4.exe

  • Size

    763KB

  • MD5

    9850e40113081ebe639af61c572c89e5

  • SHA1

    134f4c09754c32057df827f69bf0f669ded0eda2

  • SHA256

    8aa4945b71a16b0d6dcbe9c5169f0e21470d010be70368d334f34974bd7761e4

  • SHA512

    c21cbe7b3be1ad3662d163d69643bff61176fbed50dcb61d1090b10b958b13e0d1d3f8229cd69b9247ee4065cd35e755f23b19ef8842f1b73254462e9827f647

  • SSDEEP

    12288:fi4yMg+q7QMcCxDuPIBvUHpx6XSLu98rgS2144jclEM8/bxSQC1DSuCjZPgjlgpt:64yMg+q7ECxDz4xQD8rgSi44jVM8NmSt

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 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2676
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2760
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2352
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3436
            • C:\Users\Admin\AppData\Local\Temp\8aa4945b71a16b0d6dcbe9c5169f0e21470d010be70368d334f34974bd7761e4.exe
              "C:\Users\Admin\AppData\Local\Temp\8aa4945b71a16b0d6dcbe9c5169f0e21470d010be70368d334f34974bd7761e4.exe"
              2⤵
              • Modifies firewall policy service
              • UAC bypass
              • Windows security bypass
              • Windows security modification
              • Checks whether UAC is enabled
              • Enumerates connected drives
              • Writes to the Master Boot Record (MBR)
              • Drops autorun.inf file
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:3712
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3556
            • 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:3996
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3684
                      • 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:4576
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4660

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • F:\mljal.exe

                            Filesize

                            97KB

                            MD5

                            642e65a1ca85da4344756677253bd75e

                            SHA1

                            2ecb6e55ef02ae45401d75f08190a27d5cdeeb6b

                            SHA256

                            82dc4581306f6c4c4ca8a3cdb098b7ce0b77debc4bee94ee09e95021ea03f145

                            SHA512

                            d2e25e48cb2690ff71edaac57d2cf84f449859cc0b8a9528eba4b88d0b1a601bf6ed192e6fe9c59641ce1479e6f2bea055641d726ca1af1463fca9124b33e3dc

                          • memory/3712-29-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-87-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-4-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-7-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-20-0x0000000005A60000-0x0000000005A62000-memory.dmp

                            Filesize

                            8KB

                          • memory/3712-8-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-14-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-17-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

                            Filesize

                            4KB

                          • memory/3712-18-0x0000000005A60000-0x0000000005A62000-memory.dmp

                            Filesize

                            8KB

                          • memory/3712-19-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-15-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-16-0x0000000005A60000-0x0000000005A62000-memory.dmp

                            Filesize

                            8KB

                          • memory/3712-6-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-5-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-21-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-22-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-31-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-25-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-24-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-27-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-28-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-0-0x0000000000400000-0x00000000004D3000-memory.dmp

                            Filesize

                            844KB

                          • memory/3712-34-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-3-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-23-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-36-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-39-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-41-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-43-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-45-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-47-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-54-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-56-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-58-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-59-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-61-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-63-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-64-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-66-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-68-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-70-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-71-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-76-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-1-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-32-0x00000000023C0000-0x000000000347A000-memory.dmp

                            Filesize

                            16.7MB

                          • memory/3712-100-0x0000000000400000-0x00000000004D3000-memory.dmp

                            Filesize

                            844KB