Analysis

  • max time kernel
    131s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2025 03:16

General

  • Target

    81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe

  • Size

    4.8MB

  • MD5

    9c34d1555408e02bf79d305e14da648f

  • SHA1

    3ade53d77f21861819565b4902d42d17b26b0771

  • SHA256

    81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce

  • SHA512

    be426e3af1d0888cf1b9dd61f01f9010f4f2f83a979acdafb27eae99b21b96e96391ecd73d01f60d087c36adce9538ce8f307bf9660a8b6cf4306e7b6dca1a46

  • SSDEEP

    49152:8Uocec9UxniW/mQU/KgxyPZqsHsehXnMuCtHVZK7umnSZHjew1zdRm8y7PSZp5Jn:84ec9KnirhCWyQegK7B8Cy

Malware Config

Extracted

Family

vidar

C2

https://t.me/b4cha00

https://steamcommunity.com/profiles/76561199825403037

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Downloads MZ/PE file 1 IoCs
  • Uses browser remote debugging 2 TTPs 4 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 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe
    "C:\Users\Admin\AppData\Local\Temp\81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4304
      • 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:4128
        • 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,0x100,0xd4,0x104,0x7ff90d7acc40,0x7ff90d7acc4c,0x7ff90d7acc58
          4⤵
            PID:5040
          • 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=1984,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=1940 /prefetch:2
            4⤵
              PID:3432
            • 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=2012,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=2156 /prefetch:3
              4⤵
                PID:1640
              • 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=2300,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=2504 /prefetch:8
                4⤵
                  PID:3876
                • 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=3208,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=3216 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:3996
                • 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,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=3264 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:3888
                • 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=4524,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4536 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2784
                • 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=4260,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4256 /prefetch:8
                  4⤵
                    PID:2004
                  • 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=4212,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=3200 /prefetch:8
                    4⤵
                      PID:2856
                    • 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=4268,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4296 /prefetch:8
                      4⤵
                        PID:2584
                      • 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=4736,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4252 /prefetch:8
                        4⤵
                          PID:4240
                        • 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=4732,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4756 /prefetch:8
                          4⤵
                            PID:3936
                          • 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=4176,i,10068672916080453165,16079790442201961013,262144 --variations-seed-version=20250210-180233.097000 --mojo-platform-channel-handle=4296 /prefetch:8
                            4⤵
                              PID:4004
                      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
                        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDU1MTA1Nzc2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
                        1⤵
                        • System Location Discovery: System Language Discovery
                        • System Network Configuration Discovery: Internet Connection Discovery
                        PID:3376
                      • 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:2500
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:4736

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • 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

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

                            Filesize

                            127KB

                            MD5

                            29a3715381927f155ee32dfa3dd4f637

                            SHA1

                            6f6e9e9ee56ce044faec680208c547b3e7d7c7a3

                            SHA256

                            37babf63e8fef1184e23ce37e0bbd00cf454e7cd297510fa45ef314265975259

                            SHA512

                            88093cdd1ff43bf04b9109ce0c82c4c93f8ac07e4382f2429df29289c1ffd22bf4fde40ae25b401fcc6f1e7bd59f8ecd164b66ce0d0f53303b758ee5cd3aae74

                          • memory/4304-11-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-2-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-12-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-13-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-15-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-10-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-3-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-1-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-60-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-63-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-67-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-68-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-72-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/4304-73-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB