Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2025 20:05

General

  • Target

    us.exe

  • Size

    6.6MB

  • MD5

    47ef73872d8adbb3f66c4d0b145060bf

  • SHA1

    f2dde0526a50623daecaaa969f77204d46894e32

  • SHA256

    4fc13c81b5594dd189eafc3e88fd6d5cadf8f951b81d10fb2ffab3c851512771

  • SHA512

    274ee436cb704002581eb3551f676e9c8f7015ea75ca090f6b783d9fd7d9b7c7be4dd86fd4024f0877658a464653e6c738f77fcda150221c8a88f276be987687

  • SSDEEP

    49152:PJiTLxmrxMgiQNXf34SF0VwUhu6NqQFn8vca9Ypyy7KQ+cKa/Et9m3OnytR1ljyc:P0TLxmFkQNXgU0ZqXHfaj3OQjy

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 10 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.

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

    Enumerate browser information.

  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\us.exe
    "C:\Users\Admin\AppData\Local\Temp\us.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2424
    • 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:2760
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1528
        • 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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef70b9758,0x7fef70b9768,0x7fef70b9778
          4⤵
            PID:840
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:2456
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1152 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:2
              4⤵
                PID:1736
              • 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 --mojo-platform-channel-handle=1496 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                4⤵
                  PID:2164
                • 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=utility --mojo-platform-channel-handle=1572 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                  4⤵
                    PID:1572
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2340 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2960
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2372 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2876
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1452 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:2
                    4⤵
                      PID:1728
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1336 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:2904
                    • 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 --mojo-platform-channel-handle=3400 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                      4⤵
                        PID:3056
                      • 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 --mojo-platform-channel-handle=1344 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                        4⤵
                          PID:3064
                        • 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 --mojo-platform-channel-handle=3728 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                          4⤵
                            PID:268
                          • 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 --mojo-platform-channel-handle=3844 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                            4⤵
                              PID:1700
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3472 --field-trial-handle=1072,i,13029829036541849860,13805839491182849220,131072 /prefetch:8
                              4⤵
                                PID:2764
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:2696

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                            Filesize

                            342B

                            MD5

                            07085a73ace73519e412b04f33a4f72a

                            SHA1

                            c51ddee68ce3b7a429f001341c5acb8f7a36b0fb

                            SHA256

                            ceaa8824e462e20f721ba7ec36ddaadd3780eac25294a65073862f4cfbdc1ed7

                            SHA512

                            e046d8c08f04036459d3e68318001ed496ee97a4b36b94455a463d8a19b1bd4d759bd7e133cfb3a1b8b3964d77ac6c8ccdc36a3c9632166b34880d3738707ea4

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                            Filesize

                            342B

                            MD5

                            2e013f06dd092ef9c2a56de4bb25b355

                            SHA1

                            c1aa0b637c8f4a4e1e1fceaee84f67e091d09171

                            SHA256

                            8a83c741b32374f848d28fafd0ca95dfa6850b18abace18b57884a28646ab99d

                            SHA512

                            c353762d32980be24f684430897b4b16c2834e1a997e4dc39a2facd5156324509ee84eab18644b30d0da682bc490f7802886a163990757633e1a6802045d80fd

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                            Filesize

                            16B

                            MD5

                            aefd77f47fb84fae5ea194496b44c67a

                            SHA1

                            dcfbb6a5b8d05662c4858664f81693bb7f803b82

                            SHA256

                            4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                            SHA512

                            b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Temp\CabAF64.tmp

                            Filesize

                            70KB

                            MD5

                            49aebf8cbd62d92ac215b2923fb1b9f5

                            SHA1

                            1723be06719828dda65ad804298d0431f6aff976

                            SHA256

                            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                            SHA512

                            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                          • C:\Users\Admin\AppData\Local\Temp\TarAF86.tmp

                            Filesize

                            181KB

                            MD5

                            4ea6026cf93ec6338144661bf1202cd1

                            SHA1

                            a1dec9044f750ad887935a01430bf49322fbdcb7

                            SHA256

                            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                            SHA512

                            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                          • memory/2760-0-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-177-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-178-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-156-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-137-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-3-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-2-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-274-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-271-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-296-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2760-1-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB