Analysis

  • max time kernel
    13s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20/04/2025, 14:06

General

  • Target
    2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom.exe
  • Size 799KB
  • Sample250420-ref23a1jv7
  • SHA256 fd39a100de7ae6efc732edeab31a89313d0be7e0540acffc04f6ed707c48c48d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 13.5

Botnet
  • c466785b3a34d7b3c4d6db04a068b664

C2
  • https://t.me/v00rd

  • https://steamcommunity.com/profiles/76561199846773220

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Signatures

  • Detect Vidar Stealer 35 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses browser remote debugging 2 TTPs 8 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

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

    Enumerate browser information.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-20_9d8735f3616aa80144974a74ddeb99fa_black-basta_cobalt-strike_ryuk_satacom.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5280
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
        3⤵
        • Uses browser remote debugging
        • Enumerates system info in registry
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1940
        • 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=133.0.6943.60 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff821afdcf8,0x7ff821afdd04,0x7ff821afdd10
          4⤵
            PID:1464
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1992,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=1984 /prefetch:2
            4⤵
              PID:4764
            • 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 --string-annotations --field-trial-handle=2024,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2156 /prefetch:11
              4⤵
                PID:2208
              • 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 --string-annotations --field-trial-handle=2372,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2552 /prefetch:13
                4⤵
                  PID:2364
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --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 --field-trial-handle=3284,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3324 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:5052
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --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 --field-trial-handle=3292,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3304 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2256
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --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 --field-trial-handle=4356,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4284 /prefetch:9
                  4⤵
                  • Uses browser remote debugging
                  PID:4788
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --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=8 --field-trial-handle=4704,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4808 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:488
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5376,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5392 /prefetch:14
                  4⤵
                    PID:1364
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5588,i,8900899911906739772,2897871585774355873,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5632 /prefetch:14
                    4⤵
                      PID:1252
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --remote-debugging-port=9223 --profile-directory="Default"
                    3⤵
                    • Uses browser remote debugging
                    PID:4440
                    • 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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x240,0x244,0x248,0x23c,0x250,0x7ff80e7bf208,0x7ff80e7bf214,0x7ff80e7bf220
                      4⤵
                        PID:3940
                      • 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 --string-annotations --always-read-main-dll --field-trial-handle=1656,i,9376680640614881871,12944738573540236078,262144 --variations-seed-version --mojo-platform-channel-handle=2160 /prefetch:11
                        4⤵
                          PID:408
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2060,i,9376680640614881871,12944738573540236078,262144 --variations-seed-version --mojo-platform-channel-handle=2052 /prefetch:2
                          4⤵
                            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=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=2468,i,9376680640614881871,12944738573540236078,262144 --variations-seed-version --mojo-platform-channel-handle=2664 /prefetch:13
                            4⤵
                              PID:2948
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=3468,i,9376680640614881871,12944738573540236078,262144 --variations-seed-version --mojo-platform-channel-handle=3532 /prefetch:1
                              4⤵
                              • Uses browser remote debugging
                              PID:572
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --instant-process --pdf-upsell-enabled --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3476,i,9376680640614881871,12944738573540236078,262144 --variations-seed-version --mojo-platform-channel-handle=3552 /prefetch:1
                              4⤵
                              • Uses browser remote debugging
                              PID:416
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\790zm" & exit
                            3⤵
                              PID:5980
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout /t 11
                                4⤵
                                • Delays execution with timeout.exe
                                PID:5832
                        • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                          1⤵
                            PID:4276
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:2320
                            • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe"
                              1⤵
                                PID:6004

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    Downloads

                                    y5fc2v

                                    • Path C:\ProgramData\790zm\y5fc2v
                                    • Size 288KB
                                    • SHA256 cdd183e0f8e75d46816b1baaee905eb28b940298b0d474d070579d2415f6aae8
                                    • MD5 SHA1 SHA512 SSDEEP

                                    BrowsingTopicsState

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                    • Size 649B
                                    • SHA256 f2afa0d29c4e9e3824713e373d53d6c61ca77e6f1091f345f3b61599e49f8455
                                    • MD5 SHA1 SHA512

                                    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 78KB
                                    • SHA256 3e3a3f261c3cb9c17e82a3c53b4bfa5ddf097a647685278c545ac8f609d007d3
                                    • MD5 SHA1 SHA512 SSDEEP

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 52bd897dfdfca849d627b36a49b976eef861b1a7af075527c8f247adb862dc20
                                    • MD5 SHA1 SHA512

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 40KB
                                    • SHA256 6dd4d247ca428fb86525460c404866ef96d4d1a82e8181c698c2bc3db959851a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/5068-83-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-92-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-26-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-27-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-31-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-34-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-21-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-18-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-17-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-12-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-77-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-78-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-79-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-0-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-80-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-87-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-91-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-25-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-11-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-2-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-141-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-142-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-154-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-151-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-156-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-157-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-1-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-164-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-165-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-188-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-196-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-189-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-197-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-198-0x0000000000400000-0x0000000000429000-memory.dmp

                                    memory/5068-200-0x0000000000400000-0x0000000000429000-memory.dmp