Analysis

  • max time kernel
    42s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 12:06

General

  • Target

    libcares-2.dll

  • Size

    2.1MB

  • MD5

    c6665e35ee4d37d977944be4e5104fae

  • SHA1

    11d9e974117b481d2f64ece309e4050f002e47c2

  • SHA256

    ba2a1b98cac090216add6204bc86e11257ca323a73d536b2eb158441f48455e8

  • SHA512

    1be21874d5e4bc2e1880ffa2369333f5a5d6d0d2768501960c860fc117411c1869472e9d0e330f2b6497c944f8b677e3f8fd9108166a3614a002eb615ebf68e5

  • SSDEEP

    49152:3ON4A6Szfs35ZgtaejeQZyAfqqeYTNB/6/ir+7iGh9OWg17OA:9Ccg

Malware Config

Extracted

Family

vidar

Version

13.3

Botnet

53d7fe95cf5d7ac3815633614e2a92df

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

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 23 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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.

  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcares-2.dll,#1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      2⤵
        PID:2712
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
        2⤵
          PID:3068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
          2⤵
            PID:2700
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:2720
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
              2⤵
                PID:1628
              • C:\Windows\System32\calc.exe
                "C:\Windows\System32\calc.exe"
                2⤵
                  PID:2472
                • C:\Windows\System32\svchost.exe
                  "C:\Windows\System32\svchost.exe"
                  2⤵
                    PID:2564
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe"
                    2⤵
                      PID:2156
                    • C:\Windows\System32\notepad.exe
                      "C:\Windows\System32\notepad.exe"
                      2⤵
                        PID:2116
                      • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
                        "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
                        2⤵
                        • System Location Discovery: System Language Discovery
                        • Checks processor information in registry
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2212
                        • 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
                          PID:1516
                          • 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,0x7fef7829758,0x7fef7829768,0x7fef7829778
                            4⤵
                              PID:1408
                            • C:\Windows\system32\ctfmon.exe
                              ctfmon.exe
                              4⤵
                                PID:832
                              • 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=1140 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:2
                                4⤵
                                  PID:2164
                                • 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=1500 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:8
                                  4⤵
                                    PID:2800
                                  • 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=1564 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:8
                                    4⤵
                                      PID:2840
                                    • 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=2248 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:1
                                      4⤵
                                      • Uses browser remote debugging
                                      PID:2760
                                    • 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=2256 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:1
                                      4⤵
                                      • Uses browser remote debugging
                                      PID:2200
                                    • 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=3260 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:2
                                      4⤵
                                        PID:860
                                      • 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=2184 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:1
                                        4⤵
                                        • Uses browser remote debugging
                                        PID:2404
                                      • 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=1444 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:8
                                        4⤵
                                          PID:324
                                        • 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=3516 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:8
                                          4⤵
                                            PID:1008
                                          • 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=3744 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /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 --mojo-platform-channel-handle=3740 --field-trial-handle=1344,i,11003919581368432873,11853940422979766103,131072 /prefetch:8
                                              4⤵
                                                PID:2460
                                            • C:\Windows\SysWOW64\cmd.exe
                                              "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\9z5fu" & exit
                                              3⤵
                                              • System Location Discovery: System Language Discovery
                                              PID:1572
                                              • C:\Windows\SysWOW64\timeout.exe
                                                timeout /t 11
                                                4⤵
                                                • System Location Discovery: System Language Discovery
                                                • Delays execution with timeout.exe
                                                PID:2216
                                        • 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:1612

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

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

                                            Filesize

                                            71KB

                                            MD5

                                            83142242e97b8953c386f988aa694e4a

                                            SHA1

                                            833ed12fc15b356136dcdd27c61a50f59c5c7d50

                                            SHA256

                                            d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

                                            SHA512

                                            bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

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

                                            Filesize

                                            344B

                                            MD5

                                            03f4909e5812d4d37920efbbbb539cc7

                                            SHA1

                                            9f5281457659869580779be894315b56e226f75f

                                            SHA256

                                            9af850f1e34b32358123db43cd71b1a8cd025b0ccdecdd9362ec67ef7208e390

                                            SHA512

                                            1e224be2bb937a60d54e50056cc5b44ef29d5322bbba4e2dc2043f447737ff0ad8d8b34d3ad7ddac58eae9ce2aa593883b9dd80120fb0f3aae73359c04d7e379

                                          • 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\TarD59E.tmp

                                            Filesize

                                            183KB

                                            MD5

                                            109cab5505f5e065b63d01361467a83b

                                            SHA1

                                            4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

                                            SHA256

                                            ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

                                            SHA512

                                            753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

                                          • memory/2212-275-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-2-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-197-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-200-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-224-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-248-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-249-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-250-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-0-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-171-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-150-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-176-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-342-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-364-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-367-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-390-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-411-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-412-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-433-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-474-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-495-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-496-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB

                                          • memory/2212-539-0x0000000000400000-0x0000000000429000-memory.dmp

                                            Filesize

                                            164KB