Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 07:16

General

  • Target

    690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe

  • Size

    210KB

  • MD5

    0da78b6b371fdf8688009e20cf37ceb0

  • SHA1

    380059acac2164b762bb8a042888cea075045780

  • SHA256

    690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b

  • SHA512

    b7e56494c9462aefea4a7cb07c5175a650ae7d5910f120826f32915e478ff9269d3d46999ff44b8bece2ae8cafc71c24f74841d49319cf529c61407ceb2e65ca

  • SSDEEP

    3072:sPUfyo6aRh6CzNiof2HtA2PtLR34PQhVDYwNXKakdyvlJeGhsYa/YWGGXHjf/Rgr:sagCxLf2NA0tK4XDYwNp

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1016
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2392
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3424
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3356
              • 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:3808
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3516
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3268
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:1996
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:2736
                            • C:\Users\Admin\AppData\Local\Temp\690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe
                              "C:\Users\Admin\AppData\Local\Temp\690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe"
                              2⤵
                              • UAC bypass
                              • Checks whether UAC is enabled
                              • Suspicious use of SetThreadContext
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:2308
                              • C:\Users\Admin\AppData\Local\Temp\690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe
                                "C:\Users\Admin\AppData\Local\Temp\690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe"
                                3⤵
                                • Executes dropped EXE
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of WriteProcessMemory
                                PID:4980
                                • C:\Windows\SysWOW64\svchost.exe
                                  C:\Windows\syswow64\svchost.exe
                                  4⤵
                                  • Adds policy Run key to start application
                                  • Drops file in Program Files directory
                                  PID:1928
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2740
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2436

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b.exe

                                Filesize

                                210KB

                                MD5

                                0da78b6b371fdf8688009e20cf37ceb0

                                SHA1

                                380059acac2164b762bb8a042888cea075045780

                                SHA256

                                690d258f4e9f86ecdc551a268db098c3a3029866f31d96cdc1177c49c6e5f27b

                                SHA512

                                b7e56494c9462aefea4a7cb07c5175a650ae7d5910f120826f32915e478ff9269d3d46999ff44b8bece2ae8cafc71c24f74841d49319cf529c61407ceb2e65ca

                              • memory/1928-142-0x0000000000090000-0x000000000009E000-memory.dmp

                                Filesize

                                56KB

                              • memory/1928-143-0x00000000007C0000-0x00000000007C5000-memory.dmp

                                Filesize

                                20KB

                              • memory/1928-144-0x00000000007C0000-0x00000000007C5000-memory.dmp

                                Filesize

                                20KB

                              • memory/2308-132-0x0000000000400000-0x000000000042C000-memory.dmp

                                Filesize

                                176KB

                              • memory/2308-133-0x00000000022D0000-0x00000000032FA000-memory.dmp

                                Filesize

                                16.2MB

                              • memory/2308-137-0x0000000000400000-0x000000000042C000-memory.dmp

                                Filesize

                                176KB

                              • memory/2308-140-0x00000000022D0000-0x00000000032FA000-memory.dmp

                                Filesize

                                16.2MB

                              • memory/4980-135-0x0000000000400000-0x0000000000409000-memory.dmp

                                Filesize

                                36KB

                              • memory/4980-139-0x0000000000400000-0x0000000000409000-memory.dmp

                                Filesize

                                36KB