Analysis

  • max time kernel
    137s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 23:49

General

  • Target

    ad2be454b3e9aaba81d90b6f64795dbf.exe

  • Size

    480KB

  • MD5

    ad2be454b3e9aaba81d90b6f64795dbf

  • SHA1

    a2cfadc5bc40949ecfbfdb7588c1516287453ada

  • SHA256

    99143f9b1d2b1df8e72c429599f9b0d6a894996c1f644c85555c135729969190

  • SHA512

    341a072c54fc2fbab78da29c9da433c4eb238e763d3db0a345be3e3a9b6a59f13a781c9f478df8a0b0544e71783e15580d76f9de1f0652efe77f4c705189a487

  • SSDEEP

    6144:GoY4G6cWDIn7hB8juQ1SO1qV37xBNNwRbmFSEBNvrywyn74gG8wBEuahPxWovh5:9Y4G6Fy8jR1m37xBNeRYbT8MMhlv

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 11 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
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3924
          • 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
            1⤵
              PID:2548
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:3936
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                1⤵
                  PID:1192
                • 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
                  1⤵
                    PID:1980
                  • 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
                    1⤵
                      PID:2072
                    • 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
                      1⤵
                        PID:2092
                      • 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
                        1⤵
                          PID:3988
                        • 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
                          1⤵
                            PID:2304
                          • 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=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4004 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                2⤵
                                  PID:3308
                              • 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:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:400
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3804
                                    • 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\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\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                          1⤵
                                            PID:3700
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                            1⤵
                                              PID:3436
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:3300
                                                • C:\Users\Admin\AppData\Local\Temp\ad2be454b3e9aaba81d90b6f64795dbf.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\ad2be454b3e9aaba81d90b6f64795dbf.exe"
                                                  2⤵
                                                  • Modifies firewall policy service
                                                  • UAC bypass
                                                  • Windows security bypass
                                                  • Checks computer location settings
                                                  • Windows security modification
                                                  • Checks whether UAC is enabled
                                                  • Drops file in Windows directory
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of SetWindowsHookEx
                                                  • Suspicious use of WriteProcessMemory
                                                  • System policy modification
                                                  PID:3708
                                              • C:\Windows\system32\taskhostw.exe
                                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                1⤵
                                                  PID:2752
                                                • C:\Windows\system32\svchost.exe
                                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                  1⤵
                                                    PID:2520
                                                  • C:\Windows\system32\sihost.exe
                                                    sihost.exe
                                                    1⤵
                                                      PID:2512
                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                      1⤵
                                                        PID:4648
                                                      • C:\Windows\System32\RuntimeBroker.exe
                                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                        1⤵
                                                          PID:3120

                                                        Network

                                                              MITRE ATT&CK Enterprise v15

                                                              Replay Monitor

                                                              Loading Replay Monitor...

                                                              Downloads

                                                              • memory/3708-0-0x0000000000400000-0x000000000047C000-memory.dmp

                                                                Filesize

                                                                496KB

                                                              • memory/3708-1-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-3-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-4-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-5-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-7-0x0000000003970000-0x0000000003972000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/3708-9-0x0000000003980000-0x0000000003981000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/3708-6-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-10-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-11-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-12-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-13-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-14-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-15-0x0000000003970000-0x0000000003972000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/3708-20-0x0000000003970000-0x0000000003972000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/3708-23-0x0000000002470000-0x000000000352A000-memory.dmp

                                                                Filesize

                                                                16.7MB

                                                              • memory/3708-32-0x0000000000400000-0x000000000047C000-memory.dmp

                                                                Filesize

                                                                496KB