Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 23:07

General

  • Target

    6f9423b833c15a914b3836421c96173eec59241ef497c2d6938f22690646346f.exe

  • Size

    65KB

  • MD5

    5a0f31ddd86ab6cd6afc9742f0513117

  • SHA1

    12c52f5376f18173d529cffb80f2a29c029d83bd

  • SHA256

    6f9423b833c15a914b3836421c96173eec59241ef497c2d6938f22690646346f

  • SHA512

    80f16dd039f82be5114662293faf9ab65bada50e727633f33886b48b9fe6b3b21811044c9392fe86cb4d855352d2455fb098cf4fa8cc87445a118da75c140b60

  • SSDEEP

    1536:+Syr3Gjy+6end/TCthm4kHJ4WBiIGmM+0c8WuIfEbMxaz0:+fr3Gjy+9/Wzm4kHJ4TIGf+d4I8gxK0

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 25 IoCs
  • UPX dump on OEP (original entry point) 26 IoCs
  • UPX packed file 25 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 8 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2880
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3020
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1352
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\6f9423b833c15a914b3836421c96173eec59241ef497c2d6938f22690646346f.exe
                    "C:\Users\Admin\AppData\Local\Temp\6f9423b833c15a914b3836421c96173eec59241ef497c2d6938f22690646346f.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 Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3596
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3624
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3816
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3456
                            • 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:3476
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2100
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2956
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:1700

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3596-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3596-1-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-8-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-16-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-19-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3596-7-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-18-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-17-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3596-4-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-5-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-21-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-10-0x0000000000640000-0x0000000000641000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3596-9-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3596-3-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-20-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-22-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-23-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-24-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-25-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-26-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-28-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-29-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-30-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-31-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-33-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-35-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-38-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-39-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-50-0x0000000000630000-0x0000000000632000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3596-47-0x0000000000860000-0x000000000191A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3596-60-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB