Analysis

  • max time kernel
    138s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2023 16:39

General

  • Target

    Malicious_124add0d3cae97469f7e470118ee54d96abfa27f90c9ee0b18cb5581ade8e52e.exe

  • Size

    2.6MB

  • MD5

    55b03284c59b58c08e82799222a12a3e

  • SHA1

    9b4e01dd67ad0f696954fa5dc4b22b0950e1325a

  • SHA256

    6f592ea4e0dd9170bc6d2245a84bec72042e2ab6fd4a7e02ce3c93ef6b24f39e

  • SHA512

    ccf3621b06caa7bf277b93c040a047b5052ede0b89b244e758b9b96d31aa2eac6a775c30428f06c4afe692f18fc4bfe5bd34372e901c21a806ebd90517532720

  • SSDEEP

    49152:9SVwud0cvIfWUztRDLJ/lAXSjzHh8XM2WEPQM8GZzkRSt82zfpRHKDokZvLbdF/O:9Sp0cvIfWUxRDLJ9MWbh+MJGzkRY8oxJ

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:60
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2456
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2488
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2636
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:808
            • C:\Windows\system32\fontdrvhost.exe
              "fontdrvhost.exe"
              1⤵
                PID:800
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3344
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3724
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4760
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4052
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3928
                        • 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:3564
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3832
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3580
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3080
                                  • C:\Users\Admin\AppData\Local\Temp\Malicious_124add0d3cae97469f7e470118ee54d96abfa27f90c9ee0b18cb5581ade8e52e.exe
                                    "C:\Users\Admin\AppData\Local\Temp\Malicious_124add0d3cae97469f7e470118ee54d96abfa27f90c9ee0b18cb5581ade8e52e.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Drops file in Windows directory
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:2000

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/2000-133-0x0000000000400000-0x00000000004C7000-memory.dmp

                                  Filesize

                                  796KB

                                • memory/2000-134-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-136-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-138-0x0000000007350000-0x0000000007352000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2000-139-0x0000000007370000-0x0000000007371000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2000-140-0x0000000007350000-0x0000000007352000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2000-137-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-141-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-142-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-143-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-144-0x0000000000400000-0x00000000004C7000-memory.dmp

                                  Filesize

                                  796KB

                                • memory/2000-145-0x0000000007350000-0x0000000007352000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2000-146-0x0000000003600000-0x000000000468E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2000-156-0x0000000000400000-0x00000000004C7000-memory.dmp

                                  Filesize

                                  796KB