Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 07:23

General

  • Target

    fece996971ddec31d6f5738afe811094e0026fb2211eaab9272fcaecfa01da86.exe

  • Size

    1.8MB

  • MD5

    708f5391456a4fb01aff7bf71b739bbb

  • SHA1

    e8f125720bf7da20e5a4ab6c926a415ec1ad4a31

  • SHA256

    fece996971ddec31d6f5738afe811094e0026fb2211eaab9272fcaecfa01da86

  • SHA512

    ff63b4c98b18547de29fe8193ee84e741627a913ffebfe1b54558cfe8d5e7e44ffea6c5a110852d020b556cbabeb933d64ff6a25dab80137de05ec28393fa4b2

  • SSDEEP

    49152:kFu31Ags01yXelVURGCAbwdBsr70tiXelVURGCAbwdBsr70t/mkvX7Nk+Scgzpt/:xlAhXelVURGCAbwdBsr70tiXelVURGC4

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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 10 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:372
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2688
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2912
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Users\Admin\AppData\Local\Temp\fece996971ddec31d6f5738afe811094e0026fb2211eaab9272fcaecfa01da86.exe
                    "C:\Users\Admin\AppData\Local\Temp\fece996971ddec31d6f5738afe811094e0026fb2211eaab9272fcaecfa01da86.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1620
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3852
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • 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:3496
                            • 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:1464
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3532

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\fndbo.exe

                                  Filesize

                                  97KB

                                  MD5

                                  ddd48ede0b92f91b69c79da290d0c2be

                                  SHA1

                                  68b6e3d9d2610e6ee01d381dbae3fedd698f6d99

                                  SHA256

                                  373fb6af7d9147a260647465c0a0c0bb5ca61e58d189765d57713563017c801e

                                  SHA512

                                  4c7c97fb1a79e20432d63d8e4130db6fa1abc6345189d0021b262c32985679f0941e615716814e254956a1ea8c5340ac973ca0f44e2e437bdbfef385a39508de

                                • memory/1620-32-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-72-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-20-0x0000000002470000-0x0000000002472000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1620-6-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-15-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-18-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-17-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-14-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-16-0x0000000002470000-0x0000000002472000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1620-4-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-7-0x0000000002470000-0x0000000002472000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1620-5-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-8-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1620-19-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-21-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-22-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-23-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-25-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-24-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-27-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-28-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-29-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-86-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-3-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-41-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-36-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-39-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-35-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-43-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-45-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-47-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-49-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-51-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-58-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-60-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-62-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-64-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-65-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-66-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-68-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-70-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-0-0x0000000000400000-0x00000000005D5000-memory.dmp

                                  Filesize

                                  1.8MB

                                • memory/1620-76-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-1-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-90-0x0000000002470000-0x0000000002472000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1620-31-0x0000000002590000-0x000000000364A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1620-100-0x0000000000400000-0x00000000005D5000-memory.dmp

                                  Filesize

                                  1.8MB