Analysis

  • max time kernel
    143s
  • 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
    23-04-2024 03:40

General

  • Target

    c5a41a50f111c87ca72baac6fb4fe4ebb4afaf23e537eb1b82b42b7c2041ce36.exe

  • Size

    65KB

  • MD5

    88c7bf67fe1d534f5395ecc55cab7060

  • SHA1

    3daf56e7b8f3689717bbe6b526eed58ca76b3b3d

  • SHA256

    c5a41a50f111c87ca72baac6fb4fe4ebb4afaf23e537eb1b82b42b7c2041ce36

  • SHA512

    e113a13e985090b7162deaf3783b2744a1d95e1b2c5b306b083e44eade19dadff648a305f182781a0a910e4ec75529266c145009843334d5e8f37b37d395b208

  • SSDEEP

    1536:f8wWWmfaO1JIe1QaEMSL3rI2wx3f0WnWRwin42OP:fYTffIJV/3olf0WZcOP

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 25 IoCs
  • UPX dump on OEP (original entry point) 26 IoCs
  • UPX packed file 25 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 8 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:448
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3380
                  • C:\Users\Admin\AppData\Local\Temp\c5a41a50f111c87ca72baac6fb4fe4ebb4afaf23e537eb1b82b42b7c2041ce36.exe
                    "C:\Users\Admin\AppData\Local\Temp\c5a41a50f111c87ca72baac6fb4fe4ebb4afaf23e537eb1b82b42b7c2041ce36.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1712
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3732
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4140
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3596
                              • 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:2724
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4872
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                    1⤵
                                      PID:4236
                                      • 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,0x240,0x234,0x2c0,0x7ffc86262e98,0x7ffc86262ea4,0x7ffc86262eb0
                                        2⤵
                                          PID:4132
                                        • 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=2672 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:2
                                          2⤵
                                            PID:3192
                                          • 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=2864 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:3
                                            2⤵
                                              PID:5096
                                            • 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=2872 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
                                              2⤵
                                                PID:2060
                                              • 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=5364 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:3364
                                                • 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=5500 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:1
                                                  2⤵
                                                    PID:3676
                                                  • 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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
                                                    2⤵
                                                      PID:1948

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/1712-0-0x0000000000400000-0x0000000000412000-memory.dmp
                                                    Filesize

                                                    72KB

                                                  • memory/1712-1-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-3-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-4-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-5-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-6-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-13-0x0000000003520000-0x0000000003522000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/1712-14-0x0000000003FB0000-0x0000000003FB1000-memory.dmp
                                                    Filesize

                                                    4KB

                                                  • memory/1712-12-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-15-0x0000000003520000-0x0000000003522000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/1712-17-0x0000000003520000-0x0000000003522000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/1712-16-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-18-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-19-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-20-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-21-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-22-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-23-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-24-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-25-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-27-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-28-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-29-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-33-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-34-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-36-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-39-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-41-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-43-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-55-0x0000000003520000-0x0000000003522000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/1712-46-0x0000000000770000-0x000000000182A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                  • memory/1712-63-0x0000000000400000-0x0000000000412000-memory.dmp
                                                    Filesize

                                                    72KB