Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-02-2025 04:47

General

  • Target

    efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47.exe

  • Size

    5.1MB

  • MD5

    7ca1a467d3565e8827428ac7be5b7bf6

  • SHA1

    63a893bf674933c34cbe216b49722ad18d625fc6

  • SHA256

    efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47

  • SHA512

    9be0926ef5c388853cd7560afdbd97d0f47265b3bef47cefbaaa65c33593e2eb525da9f58079c9411e87ad4a184eff49021fc982bfafe030a55272a311228720

  • SSDEEP

    49152:YVotF0OLNzFMg3PVyj+ikV/rX/qyzPKO93t0jc6MVh3dd6vE/68u86k1G:YsmOLTJVySl5rFPKOH/IL

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 15 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 14 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47.exe
    "C:\Users\Admin\AppData\Local\Temp\efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2824
    • 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:2720
      • 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:1264
        • 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,0x7fef7879758,0x7fef7879768,0x7fef7879778
          4⤵
            PID:924
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:2208
            • 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=1196 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:2
              4⤵
                PID:2400
              • 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=1512 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                4⤵
                  PID:1540
                • 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=1600 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                  4⤵
                    PID:1900
                  • 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=2100 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2652
                  • 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=2108 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1224
                  • 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=1280 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:2
                    4⤵
                      PID:2156
                    • 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=1428 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:1960
                    • 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=3532 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                      4⤵
                        PID:2592
                      • 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=3552 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /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=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3652 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                          4⤵
                            PID:2920
                          • 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=3768 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                            4⤵
                              PID:952
                            • 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=3676 --field-trial-handle=1244,i,13161270504596663788,9233298309706326661,131072 /prefetch:8
                              4⤵
                                PID:1952
                        • 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:2676

                          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

                            954222d58ceaf7fba006add745deef5c

                            SHA1

                            5e7112363381623ac19e0641c49ffbc9868f4915

                            SHA256

                            415fc0174a169c15757b7f30fb4e6dbaf46b477bdc120a4810d67b837eae8c92

                            SHA512

                            85be992330ace71b2370f679ad64cdd56f0d753a93cba42d4ccb312ded40e987b4806744762da6d3fa208d1938d19809b43cd7054b64f1de697a2d5c3d39dcae

                          • 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\shared_proto_db\metadata\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Temp\Cab801A.tmp

                            Filesize

                            70KB

                            MD5

                            49aebf8cbd62d92ac215b2923fb1b9f5

                            SHA1

                            1723be06719828dda65ad804298d0431f6aff976

                            SHA256

                            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                            SHA512

                            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                          • C:\Users\Admin\AppData\Local\Temp\Tar803C.tmp

                            Filesize

                            181KB

                            MD5

                            4ea6026cf93ec6338144661bf1202cd1

                            SHA1

                            a1dec9044f750ad887935a01430bf49322fbdcb7

                            SHA256

                            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                            SHA512

                            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                          • memory/2720-273-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-1-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-157-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-0-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-137-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-2-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-156-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-250-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-3-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-274-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-296-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-297-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-319-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-320-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-342-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB

                          • memory/2720-343-0x0000000000400000-0x0000000000422000-memory.dmp

                            Filesize

                            136KB