Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 10:00

General

  • Target

    3610e424061338c41ebface3f350a9fc0274a1c8f4f81a97ad71989ff4509fcd.exe

  • Size

    1.2MB

  • MD5

    fddf0bc88f7a81202639f30b7daa1645

  • SHA1

    ff46fe264a4182f09f25be1b08f429094ddeb842

  • SHA256

    3610e424061338c41ebface3f350a9fc0274a1c8f4f81a97ad71989ff4509fcd

  • SHA512

    0b108d5178e26c3c4bc94ee53fb6a7a6da30d47db3f84cd90d3ed68c5587dfe907d44c12ea86638849293ad56b14342243754355637fb5e56268265ccb85808b

  • SSDEEP

    24576:gqo1V4IDQ1rThff+r/ibJIRYP6h95S+VlLExqWXTHRyWtv4r6Pixmr:gqoTDerQKwS+vExqWXTxyWF4r6P8U

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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 39 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 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 2 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 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\3610e424061338c41ebface3f350a9fc0274a1c8f4f81a97ad71989ff4509fcd.exe
                    "C:\Users\Admin\AppData\Local\Temp\3610e424061338c41ebface3f350a9fc0274a1c8f4f81a97ad71989ff4509fcd.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • 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 WriteProcessMemory
                    • System policy modification
                    PID:4768
                • 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=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4152 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:3976

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                Filesize

                                                3.9MB

                                                MD5

                                                faf79a48399d502194e87a5ad1ba7b8e

                                                SHA1

                                                09cd9d783ac126d33ec37de781beedce9ce6aa51

                                                SHA256

                                                3d1266025af95bdb7b92d17debbf88a1386b19b7f7c2eeb9ced77debb9748e14

                                                SHA512

                                                d84f8e25179e2cee6f95dc95c94a4a70dc56814aaf7f95e38f24f9828e64629cab0c184f5fddd67d834f419703f65d9d0e3a93e54d2730ed63d3d89644babb84

                                              • C:\Users\Admin\AppData\Roaming\Helper_2345\temp\download\0\Helper_2345.NewVersion.data
                                                Filesize

                                                29B

                                                MD5

                                                99fb8e84b8aa92889349054a60e1f359

                                                SHA1

                                                1b3dd1afb4fe4533ca16db4dd3e7845c13b0e1c5

                                                SHA256

                                                5313e624a817ebcb34675027d12b87465de4fc4fdddfdd74d244490c4911b8e4

                                                SHA512

                                                2a99095109445c3ca1b9fad5c87fdfed331641401ca8d19d3ab4d109e18b9dc5feb739485f14f390bd3bcfa3a4325e3b1278fe1bb8690dd8df16edb9af52faac

                                              • F:\buuqyf.exe
                                                Filesize

                                                97KB

                                                MD5

                                                a8fe438a104186245d6a16ef4ad6c0c5

                                                SHA1

                                                9e9332aef4f374e726f6263f938e68faa0ec261a

                                                SHA256

                                                5dc8f735f36d73c3c2eebd727c2b87c56fb5ced4209c512beef6f013f5fd3e7c

                                                SHA512

                                                2d3bd138bec68be942b73dbec5ddb50a3abbd024f7b72b41b12aca7157bbc710be6039972d43bead3c5d77efdc10a5e55cb366c4c16700df440d98082873460e

                                              • memory/4768-0-0x0000000000400000-0x000000000052D000-memory.dmp
                                                Filesize

                                                1.2MB

                                              • memory/4768-2-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-13-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-18-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-17-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-29-0x00000000006E0000-0x00000000006E2000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/4768-28-0x0000000003450000-0x0000000003451000-memory.dmp
                                                Filesize

                                                4KB

                                              • memory/4768-27-0x00000000006E0000-0x00000000006E2000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/4768-21-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-22-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-19-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-16-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-15-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-14-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-30-0x00000000006E0000-0x00000000006E2000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/4768-32-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-31-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-33-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-34-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-35-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-37-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-38-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-39-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-41-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-43-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-46-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-49-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-52-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-53-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-55-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-56-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-59-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-61-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-63-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-65-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-67-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-69-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-71-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-72-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-78-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-80-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-82-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-83-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB

                                              • memory/4768-90-0x00000000006E0000-0x00000000006E2000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/4768-111-0x00000000006E0000-0x00000000006E2000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/4768-122-0x0000000000400000-0x000000000052D000-memory.dmp
                                                Filesize

                                                1.2MB

                                              • memory/4768-123-0x00000000022D0000-0x000000000338A000-memory.dmp
                                                Filesize

                                                16.7MB