Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/11/2025, 15:50

General

  • Target
    Вооstаррег 5.6.2-х64_Lua/BootstrapperAppxx.exe
  • Size 108KB
  • Sample251122-s99tastpdm
  • SHA256 2803b74d5466845e4dc9063bd516f3679aa2a3f70a30d9e93976c212e87f6e87
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 16.7

Botnet
  • 92fe4a8cd8caee5611511fef4a399499

Campaign
  • ead1cf

C2
  • https://telegram.me/dead1cf

Signatures

  • Detects Vidar Stealer 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Reads user/profile data of local email clients 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Windows directory 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).

  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Вооstаррег 5.6.2-х64_Lua\BootstrapperAppxx.exe
    "C:\Users\Admin\AppData\Local\Temp\Вооstаррег 5.6.2-х64_Lua\BootstrapperAppxx.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --profile-directory="Default"
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5252
      • 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,0x100,0x104,0xd8,0x108,0x7ffb2dacdcf8,0x7ffb2dacdd04,0x7ffb2dacdd10
        3⤵
          PID:4292
        • 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=2000,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=2104 /prefetch:11
          3⤵
            PID:5092
          • 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=2024,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=2020 /prefetch:2
            3⤵
              PID:4268
            • 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=2076,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=2396 /prefetch:13
              3⤵
                PID:5224
              • 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 --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=3228,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=3236 /prefetch:1
                3⤵
                  PID:4196
                • 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 --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=3208,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=3168 /prefetch:1
                  3⤵
                    PID:5500
                  • 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 --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 --field-trial-handle=4216,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=4224 /prefetch:9
                    3⤵
                      PID:4600
                    • 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 --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=8 --field-trial-handle=4580,i,14686055088023828953,13096061773953309036,262144 --variations-seed-version=20250618-180047.684000 --mojo-platform-channel-handle=4616 /prefetch:1
                      3⤵
                        PID:1060
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory="Default"
                      2⤵
                      • Drops file in Windows directory
                      • Enumerates system info in registry
                      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                      • Suspicious use of FindShellTrayWindow
                      PID:1572
                      • 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=0x2e4,0x2e8,0x2ec,0x2e0,0x36c,0x7ffb2daaf208,0x7ffb2daaf214,0x7ffb2daaf220
                        3⤵
                          PID:5420
                        • 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=1848,i,6479338822403184097,5018029409950674808,262144 --variations-seed-version --mojo-platform-channel-handle=2212 /prefetch:11
                          3⤵
                            PID:4492
                          • 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=2176,i,6479338822403184097,5018029409950674808,262144 --variations-seed-version --mojo-platform-channel-handle=2172 /prefetch:2
                            3⤵
                              PID:2672
                            • 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=2520,i,6479338822403184097,5018029409950674808,262144 --variations-seed-version --mojo-platform-channel-handle=2664 /prefetch:13
                              3⤵
                                PID:1048
                              • 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 --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=3404,i,6479338822403184097,5018029409950674808,262144 --variations-seed-version --mojo-platform-channel-handle=3476 /prefetch:1
                                3⤵
                                  PID:5152
                                • 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 --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=3412,i,6479338822403184097,5018029409950674808,262144 --variations-seed-version --mojo-platform-channel-handle=3480 /prefetch:1
                                  3⤵
                                    PID:5428
                              • 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:576
                                • 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:5016
                                  • 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:4136
                                    • 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:1720

                                      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 83KB
                                            • SHA256 0362471459109714cfe42652b5b0e105fb653ed0a700f2b97def0576231e2748
                                            • MD5 SHA1 SHA512 SSDEEP

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 d42af73b53ac9ac969b2a7847dd50295d23541efbe3e7a201d570995913f736f
                                            • MD5 SHA1 SHA512

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 37KB
                                            • SHA256 9428fe5bb8928073e0acd8d0a98a1e2a4a9ecede4eb165bb9b9a04701a70852c
                                            • MD5 SHA1 SHA512 SSDEEP

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 38KB
                                            • SHA256 34725fa2b9372119e534aee9f583e10cdff45ba198443c1fc00731475c07646d
                                            • MD5 SHA1 SHA512 SSDEEP

                                            memory/2896-17-0x00007FFB2DAF0000-0x00007FFB2DE2C000-memory.dmp

                                            memory/2896-18-0x0000000140000000-0x00000001400DC000-memory.dmp

                                            memory/2896-1-0x0000000140000000-0x00000001400DC000-memory.dmp

                                            memory/2896-0-0x0000000140000000-0x00000001400DC000-memory.dmp

                                            memory/2896-166-0x0000000140000000-0x00000001400DC000-memory.dmp

                                            memory/2896-179-0x0000000140000000-0x00000001400DC000-memory.dmp

                                            memory/2896-178-0x00007FFB2DAF0000-0x00007FFB2DE2C000-memory.dmp