Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 04:22

General

  • Target
    gc.key_payload.dll
  • Size 2.5MB
  • Sample260722-ey86qsae67
  • SHA256 13a41f154e00a331049db462866533fcfe238e98ce6bcf2b6ed18cd96d0d1222
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Badlisted process makes network request 14 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
      PID:692
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\gc.key_payload.dll,#1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\gc.key_payload.dll,#1
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Badlisted process makes network request
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3292
          • C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\vb7to8.exe
            "C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\vb7to8.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:5000
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe"
              5⤵
                PID:2796
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --disable-fre --no-default-browser-check --disable-background-networking --disable-sync --disable-gpu --mute-audio --new-window
          2⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x128,0x12c,0x130,0x104,0x134,0x7ffa87c4c728,0x7ffa87c4c734,0x7ffa87c4c740
            3⤵
              PID:5108
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --metrics-shmem-handle=1636,i,16859904778784773312,17620166666560520219,262144 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=1880 /prefetch:2
              3⤵
                PID:2036
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mute-audio --force-high-res-timeticks=disabled --metrics-shmem-handle=2060,i,1706211520471132195,2267307510783693710,524288 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=2068 /prefetch:11
                3⤵
                • System Time Discovery
                PID:3000
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mute-audio --force-high-res-timeticks=disabled --metrics-shmem-handle=2228,i,10626529796467507916,3496527650730986489,524288 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=2392 /prefetch:13
                3⤵
                  PID:1708
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3128,i,2048526367278561910,11941997734420825543,2097152 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=3136 /prefetch:1
                  3⤵
                    PID:3464
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3152,i,66299158495814878,10487469898153445539,2097152 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=3184 /prefetch:1
                    3⤵
                      PID:1256
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4516,i,11180458584282200059,2677216525858903194,2097152 --field-trial-handle=1884,i,2334818509187631401,14386726775621852914,262144 --variations-seed-version --mojo-platform-channel-handle=4544 /prefetch:1
                      3⤵
                        PID:5640
                  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                    1⤵
                      PID:4816
                    • C:\Windows\system32\cmd.exe
                      "cmd /c start "" /D "C:\ProgramData\igbkpi9v4" "C:\ProgramData\igbkpi9v4\vb7to8.exe""
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4196
                      • C:\ProgramData\igbkpi9v4\vb7to8.exe
                        "C:\ProgramData\igbkpi9v4\vb7to8.exe""
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Suspicious use of SetThreadContext
                        • Suspicious use of WriteProcessMemory
                        PID:3540
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
                          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe"
                          3⤵
                            PID:5904

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

                            SCT Auditing Pending Reports

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                            • Size 2B
                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                            • MD5 SHA1 SHA512

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 4KB
                            • SHA256 c30a6c65fd704f248ff65ae6141c61912792d569d87ae60a9a1a632da8857e0e
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            VCRUNTIME140.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\VCRUNTIME140.dll
                            • Size 120KB
                            • SHA256 184146852727a9db4eea06178716bec3cdbb1015c911f6b0f915b184ad7775b2
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            VCRUNTIME140_1.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\VCRUNTIME140_1.dll
                            • Size 46KB
                            • SHA256 e6bfb3662ab4b1969a73441dbe35c96d51441b6bff8cf1fe7430bd5b246ca605
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            mscoree.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\mscoree.dll
                            • Size 2.6MB
                            • SHA256 99279a25c028fc85747e68521fc5dee135bcfa01602fd3109cba81959db476d4
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            msvcp140.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\msvcp140.dll
                            • Size 540KB
                            • SHA256 def46aa6a8f72f27bafac0c43334419486a4d1dcdb6c479a8ef7034b3e1fa4cb
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            ucrtbase.dll

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\ucrtbase.dll
                            • Size 1.3MB
                            • SHA256 c2ed69b4a1bb9432c75134e813c70539e27c8c1fe96a784d9be78c874e93d9d5
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            vb7to8.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\6lykjiSge961ao9h\vb7to8.exe
                            • Size 3.1MB
                            • SHA256 17d4935ddc1f05cc18861b8270d935d52fa77bda00ca3e694cdedd807a8e0d78
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            memory/2796-72-0x0000000000400000-0x00000000004E4000-memory.dmp

                            memory/3292-31-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-0-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-49-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-2-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-30-0x0000000074EF0000-0x0000000075178000-memory.dmp

                            memory/3292-64-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-65-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-1-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-74-0x0000000002A30000-0x0000000002AE5000-memory.dmp

                            memory/3292-73-0x0000000002A30000-0x0000000002AE5000-memory.dmp