Analysis

  • max time kernel
    130s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/06/2024, 01:18

General

  • Target
    a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe
  • Size 707KB
  • Sample240617-bn16laxeqa
  • SHA256 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16
  • MD5 SHA1 SHA512 SSDEEP

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 41 IoCs
  • UPX dump on OEP (original entry point) 42 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 40 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 44 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.

  • Drops file in Program Files directory 12 IoCs
  • 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2512
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2520
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2752
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3300
                  • C:\Users\Admin\AppData\Local\Temp\a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe
                    "C:\Users\Admin\AppData\Local\Temp\a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:332
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://127.0.0.1:88/
                      3⤵
                        PID:4360
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3436
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3700
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3796
                        • 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:4004
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3804
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:400
                                • 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:4460
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                    1⤵
                                      PID:2032
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x260,0x7ffa00e22e98,0x7ffa00e22ea4,0x7ffa00e22eb0
                                        2⤵
                                          PID:2304
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2272 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:2
                                          2⤵
                                            PID:3988
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3200 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:3
                                            2⤵
                                              PID:2548
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3412 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                              2⤵
                                                PID:2092
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5336 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:2072
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5484 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:1
                                                  2⤵
                                                    PID:1980
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=5092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:1
                                                    2⤵
                                                      PID:1004
                                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=3960 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:1
                                                      2⤵
                                                        PID:1448
                                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5340 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                                        2⤵
                                                          PID:3980
                                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=5460 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                                          2⤵
                                                            PID:4788
                                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5784 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:1
                                                            2⤵
                                                              PID:3508
                                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5944 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                                              2⤵
                                                              • Executes dropped EXE
                                                              PID:3104
                                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5968 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                                              2⤵
                                                              • Executes dropped EXE
                                                              PID:3768

                                                          Network

                                                                MITRE ATT&CK Enterprise v15

                                                                Replay Monitor

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                                                                Downloads

                                                                msedge.exe

                                                                • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                                • Size 3.9MB
                                                                • SHA256 3d1266025af95bdb7b92d17debbf88a1386b19b7f7c2eeb9ced77debb9748e14
                                                                • MD5 SHA1 SHA512 SSDEEP

                                                                carr.exe

                                                                • Path F:\carr.exe
                                                                • Size 96KB
                                                                • SHA256 2fd93ef3842bb0cb1dbeb5f00ec5f3a80f97fe939c6a930ad3a93c472f0361cb
                                                                • MD5 SHA1 SHA512 SSDEEP

                                                                memory/332-0-0x0000000000400000-0x00000000005A9000-memory.dmp

                                                                memory/332-1-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-4-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-5-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-3-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-7-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-6-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-9-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-10-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-8-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-12-0x00000000045E0000-0x00000000045E1000-memory.dmp

                                                                memory/332-11-0x0000000004490000-0x0000000004492000-memory.dmp

                                                                memory/332-15-0x0000000004490000-0x0000000004492000-memory.dmp

                                                                memory/332-16-0x0000000004490000-0x0000000004492000-memory.dmp

                                                                memory/332-17-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-18-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-19-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-20-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-21-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-23-0x0000000000400000-0x00000000005A9000-memory.dmp

                                                                memory/332-24-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-25-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-26-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-29-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-30-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-31-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-32-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-33-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-36-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-38-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-41-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-42-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-45-0x0000000000400000-0x00000000005A9000-memory.dmp

                                                                memory/332-44-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-47-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-51-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-50-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-59-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-60-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-62-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-64-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-65-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-67-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-70-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-71-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-73-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-74-0x00000000024E0000-0x000000000356E000-memory.dmp

                                                                memory/332-76-0x0000000004490000-0x0000000004492000-memory.dmp