Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2025 15:26

General

  • Target

    Setup.exe

  • Size

    360KB

  • MD5

    216340f456c7adb3db07da2b551e1066

  • SHA1

    a9623a90d83ac30a74f52ff9042647d4dad473ec

  • SHA256

    aa226ab5c6754cbbf77de7e20a0bf76529cd7a7b1066df846c15aa89f6cbd0a1

  • SHA512

    8625016bf03fb6b1cedf18371eb2fafa77f10df33ebf09ffa74ca0d79616dbf5544c72ab85317e06d8a8a97980b23681dddf88ce3df06f8df4f3ba68b15c3cbb

  • SSDEEP

    6144:O/a19BSfmQl2G0GI++lx19BSfmQl2G0GI++lM:P19inIT19inIe

Malware Config

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses browser remote debugging 2 TTPs 4 IoCs

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

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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 SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4664
      • 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
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4908
        • 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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffdf1b3cc40,0x7ffdf1b3cc4c,0x7ffdf1b3cc58
          4⤵
            PID:1072
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1936,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=1932 /prefetch:2
            4⤵
              PID:2412
            • 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 --no-appcompat-clear --field-trial-handle=2164,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=2196 /prefetch:3
              4⤵
                PID:2872
              • 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 --no-appcompat-clear --field-trial-handle=1276,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=2480 /prefetch:8
                4⤵
                  PID:5028
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3180,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=3200 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:5016
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3224,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=3260 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2940
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4528,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=4520 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2804
                • 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 --no-appcompat-clear --field-trial-handle=4100,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=3900 /prefetch:8
                  4⤵
                    PID:3968
                  • 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 --no-appcompat-clear --field-trial-handle=4576,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=4848 /prefetch:8
                    4⤵
                      PID:3048
                    • 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 --no-appcompat-clear --field-trial-handle=4872,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=4060 /prefetch:8
                      4⤵
                        PID:4624
                      • 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 --no-appcompat-clear --field-trial-handle=4060,i,9418349549159989804,6737021749632448733,262144 --variations-seed-version=20250128-180236.310000 --mojo-platform-channel-handle=4836 /prefetch:8
                        4⤵
                          PID:4468
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 1004
                      2⤵
                      • Program crash
                      PID:3960
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1352 -ip 1352
                    1⤵
                      PID:1464
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:3464
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:4400

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState

                          Filesize

                          649B

                          MD5

                          0c0e924ede4ffa73e4b8ea56ec19cef3

                          SHA1

                          c89fa8b166a2130e2b15cee113899124965308b3

                          SHA256

                          f71beca05042550daa5fe45f9fec8f1125b04a48b16530ce79df622ee3bb9dfa

                          SHA512

                          3304551e57367a0ca5bd4230623dce5280338ec8774e9a9f6e4bf07429555ea772a2304c649b6202e73ee0713bdfaf6f099806e9bdc0e3173be4de0ca5066980

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                        • memory/1352-1-0x0000000000F30000-0x0000000000F94000-memory.dmp

                          Filesize

                          400KB

                        • memory/1352-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/1352-0-0x000000007445E000-0x000000007445F000-memory.dmp

                          Filesize

                          4KB

                        • memory/1352-7-0x0000000074450000-0x0000000074C00000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4664-6-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-9-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-16-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-17-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-18-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-19-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-8-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-5-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-4-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-61-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-64-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-68-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/4664-69-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB