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Analysis

  • max time kernel
    53s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 19:24

General

  • Target

    9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe

  • Size

    1.1MB

  • MD5

    ba7e3ccf268bc947d7434bfb46945306

  • SHA1

    e85e4ebb00bc165f7ed6345b9e80ef2c0f07d789

  • SHA256

    9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b

  • SHA512

    5de6db2cc0d57fff384c89e3bafa59a857b6a55d2e36a5b2409aa472d06c029f21c6a47203c82714addb290d92ffdd621b06009e7ba7d566a4120ed3c8e02fe0

  • SSDEEP

    24576:hkYQFXibHi3fe2Fyw8N9Zl8Ff3XXoCvaBr59Co2fI85:+YQFXGHSG2K9LKtyJyfJ5

Malware Config

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

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

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

  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe
    "C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe
      "C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2456
      • 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:2400
        • 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,0x7fefb0f9758,0x7fefb0f9768,0x7fefb0f9778
          4⤵
            PID:2812
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:108
            • 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=1160 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:2
              4⤵
                PID:964
              • 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=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                4⤵
                  PID:2040
                • 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=1636 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                  4⤵
                    PID:2200
                  • 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=2320 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1640
                  • 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=2344 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1680
                  • 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=1232 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:2
                    4⤵
                      PID:2088
                    • 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=1220 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:984
                    • 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=3496 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                      4⤵
                        PID:1520
                      • 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=3616 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                        4⤵
                          PID:1500
                        • 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=3624 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                          4⤵
                            PID:2640
                          • 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=1440 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                            4⤵
                              PID:1528
                            • 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=2816 --field-trial-handle=1176,i,17261770041738258675,12427784645545158616,131072 /prefetch:8
                              4⤵
                                PID:396
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHJDAAEGIDHD" & exit
                              3⤵
                              • System Location Discovery: System Language Discovery
                              PID:1584
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout /t 10
                                4⤵
                                • System Location Discovery: System Language Discovery
                                • Delays execution with timeout.exe
                                PID:2536
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 96
                            2⤵
                            • Program crash
                            PID:2940
                        • 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:2880

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • 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\Preferences

                            Filesize

                            4KB

                            MD5

                            6ea1beaa1b3bff1cb791549c14ac5c30

                            SHA1

                            d12e67a165d6d08ffd188907afc791a8ef5673db

                            SHA256

                            4aa6f746e5879a79469d6a9d5bf9d4108c37853cfab474c58517357916734b91

                            SHA512

                            740dbfc1097089a044f767b3d51f3147a43c91282fa7bf9a121e9e4cdfcb41591a22fc1a965e45726d6516e761e526408d0f4cb23ee5aa3979e4f99914b292c7

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

                            Filesize

                            4KB

                            MD5

                            34065e573df92509768431f728fdd06b

                            SHA1

                            5ca1f687a017d6f8ffdfea73629c43a457cfe4fa

                            SHA256

                            44d7f842ae6f3adf05cc2e6c4805a12cff00d7e1f8d09dc708a082239b8b40f3

                            SHA512

                            c3409706a35b24e3c6ec5bd56d355c95ae621aa24cbbb07d462bee5c8d1dddfba2adf7ca366312b75211fd7a894121897d1512e644df5a39935f22656faa061c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\CURRENT

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Temp\Cab206.tmp

                            Filesize

                            70KB

                            MD5

                            49aebf8cbd62d92ac215b2923fb1b9f5

                            SHA1

                            1723be06719828dda65ad804298d0431f6aff976

                            SHA256

                            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                            SHA512

                            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                          • C:\Users\Admin\AppData\Local\Temp\Tar276.tmp

                            Filesize

                            181KB

                            MD5

                            4ea6026cf93ec6338144661bf1202cd1

                            SHA1

                            a1dec9044f750ad887935a01430bf49322fbdcb7

                            SHA256

                            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                            SHA512

                            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                          • \ProgramData\chrome.dll

                            Filesize

                            676KB

                            MD5

                            eda18948a989176f4eebb175ce806255

                            SHA1

                            ff22a3d5f5fb705137f233c36622c79eab995897

                            SHA256

                            81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

                            SHA512

                            160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

                          • \ProgramData\mozglue.dll

                            Filesize

                            593KB

                            MD5

                            c8fd9be83bc728cc04beffafc2907fe9

                            SHA1

                            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                            SHA256

                            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                            SHA512

                            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                          • \ProgramData\nss3.dll

                            Filesize

                            2.0MB

                            MD5

                            1cc453cdf74f31e4d913ff9c10acdde2

                            SHA1

                            6e85eae544d6e965f15fa5c39700fa7202f3aafe

                            SHA256

                            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                            SHA512

                            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

                          • memory/2456-192-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-8-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-3-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-155-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-13-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-193-0x000000001A300000-0x000000001A55F000-memory.dmp

                            Filesize

                            2.4MB

                          • memory/2456-16-0x0000000000880000-0x00000000009A1000-memory.dmp

                            Filesize

                            1.1MB

                          • memory/2456-5-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-7-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-6-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-276-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-312-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                            Filesize

                            4KB

                          • memory/2456-4-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-448-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-469-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-512-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-531-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/2456-12-0x0000000000400000-0x0000000000700000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/3016-2-0x000000000099B000-0x000000000099C000-memory.dmp

                            Filesize

                            4KB