Analysis

  • max time kernel
    91s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 19:23

General

  • Target

    1c4cf6c6bac1ca99664bfb82b77357c99a858dea5bfd929f4e299e93e7c04938.exe

  • Size

    65KB

  • MD5

    12b6616bdc948e5d648ff6d753230a71

  • SHA1

    8b92305512b8d53ebc9505efb268ea9e95c1d1bc

  • SHA256

    1c4cf6c6bac1ca99664bfb82b77357c99a858dea5bfd929f4e299e93e7c04938

  • SHA512

    a88b9ec87762c1a0172e30e03c7b7694e1487be0ea9d29ba194843c3e307f3d56fd9661d946c028377d439d742725596f15e01a94b8d7c5e79228b8d5c169a47

  • SSDEEP

    1536:e9IcEIQxdYXu3vyIxPOows+PcYusNVP7bcyti:eKcfylTsowfPcl0HE

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) 27 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 35 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:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2888
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3004
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:428
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Users\Admin\AppData\Local\Temp\1c4cf6c6bac1ca99664bfb82b77357c99a858dea5bfd929f4e299e93e7c04938.exe
                    "C:\Users\Admin\AppData\Local\Temp\1c4cf6c6bac1ca99664bfb82b77357c99a858dea5bfd929f4e299e93e7c04938.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:4240
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3860
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3568
                            • 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:3076
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4932
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:5024
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1932
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:976
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4528

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4240-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4240-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-17-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4240-18-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4240-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-16-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-20-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-10-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4240-9-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4240-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-30-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-31-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-51-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4240-46-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4240-60-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB