Analysis

  • max time kernel
    139s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 10:32

General

  • Target

    94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3.exe

  • Size

    943KB

  • MD5

    8d861bb4030412f702135bb0817b81d9

  • SHA1

    45ec1c5b73ba2f35c5f4038719989ee6733082e7

  • SHA256

    94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3

  • SHA512

    59da85738f3df2982bf5bbe1162bc71e5fff0f9b198f700e7313a48ae7b42d0b948280a3ec8d5c2ab3cc03b02a4b6104712b6dcc6852cfaf34ee6fae64e78cf4

  • SSDEEP

    24576:ney05nEQXObrQEwMGNL/geFyNcTN+jv75TQn652VBuNyb6:eLZ+bsELGJtF4ch+jvNm0Nyb6

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 2 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 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 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\94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3.exe
    "C:\Users\Admin\AppData\Local\Temp\94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3.exe"
    1⤵
    • 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:956
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
      2⤵
      • 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:1368
      • 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,0x7fef7239758,0x7fef7239768,0x7fef7239778
        3⤵
          PID:448
        • C:\Windows\system32\ctfmon.exe
          ctfmon.exe
          3⤵
            PID:1124
          • 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=1092 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:2
            3⤵
              PID:768
            • 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=1520 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
              3⤵
                PID:2596
              • 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=1588 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                3⤵
                  PID:2992
                • 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=2256 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:1
                  3⤵
                  • Uses browser remote debugging
                  PID:2512
                • 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=2264 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:1
                  3⤵
                  • Uses browser remote debugging
                  PID:1868
                • 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=1484 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:2
                  3⤵
                    PID:2972
                  • 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=3264 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:1
                    3⤵
                    • Uses browser remote debugging
                    PID:1480
                  • 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=3476 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                    3⤵
                      PID:1884
                    • 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=3632 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                      3⤵
                        PID:2064
                      • 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=3752 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                        3⤵
                          PID:2008
                        • 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=3776 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                          3⤵
                            PID:700
                          • 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=3764 --field-trial-handle=1288,i,12477986589394837229,3736919557842455731,131072 /prefetch:8
                            3⤵
                              PID:812
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 644
                            2⤵
                            • Program crash
                            PID:2956
                        • 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:1816

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          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\Network\Network Persistent State

                            Filesize

                            1KB

                            MD5

                            5e87d5b4971a7c1a52fd83c20a69924f

                            SHA1

                            8ebf94f70ce14261445e0c7d9f9b711cfa32b185

                            SHA256

                            d0c4cbb18090320073d1e1e47abe87fffa6566be828beeed62c1bcab14ecaf5c

                            SHA512

                            b5ab0f498ddcd8c242fb0d695838745d359ba98b4d1b0e0bb996a1479b3b8dd7cf7c02a569feae9c9da41865acfdeaf9304f7c9a93100670d5b30c27f34cc878

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

                            Filesize

                            5KB

                            MD5

                            51d9edf769404d8e7375980848d2f838

                            SHA1

                            31ddbd2e222156687c413d3e23d2f09a3ad32529

                            SHA256

                            569f8c61523f09b6d5b9565306696630b3982eb712f6427a9fa7c2c77a69d5c6

                            SHA512

                            54efa48d61a88e87557f82a53a11cd9570570f5f8e6c10e215cb3fe8946d34e3ec3d7b6e47c59f9656836bc311f873f1f9df3c8c8a1fe1d4bd9b95b5958d0045

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

                            Filesize

                            5KB

                            MD5

                            3fb1d0043a1ace4cca9c3f73a037d6ab

                            SHA1

                            2934f00b530ce16b691253d72ad2024b6be6440e

                            SHA256

                            0e610aaae6f26374d87f1aa06bcbfaa2879815fb5d957d690ce8bad5ae5da88d

                            SHA512

                            90f64929295ea415e1b76a7817b85035c301b6dcfa2369ca1c49e9e733275d15af08a72dec711c2a192115007c42669ca0d1fafcf432377a9c97f059549989df

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                            Filesize

                            177KB

                            MD5

                            fddaaf347227a764cc79f3b0d0f4fe2d

                            SHA1

                            78235962e61e36a51b5f05841f92291899ec4cbb

                            SHA256

                            aa911edce50129d4b5526b53b7de7e09c8b9c110bf07552a292637ce2c1fd931

                            SHA512

                            7a80c62ae165a5f3d503e19ea9c5ea124b3edd903faa2a12ef516664d766dae34b9f3e48c9fc9cdd2009c7933d4e5ea0f9925b9c164c4dd319dace70add0fe6b

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State~RFf784328.TMP

                            Filesize

                            370KB

                            MD5

                            ca653ecd6d611718bd2ee0e1d9d632f2

                            SHA1

                            903f316cbe30b29ad8b1250ee24db9a22372e652

                            SHA256

                            07ad041e4858bf2413d85af1d4c8c2797638c1bed0bdb5023dea24e2d3432626

                            SHA512

                            1ef4ff0e2720b0f22df9b07d6b039decdb2e40e487efc3836ecc1900031585a65742df6ef17d4012946665b5ed0ac04b7678a2cf0a8b52f051cb2b1cd2839527

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\fb2e5611-0d64-44cd-8f82-0e7fcae60d64.tmp

                            Filesize

                            353KB

                            MD5

                            247120b4d5e82dde305bd3f97e88686b

                            SHA1

                            b9481786edb01470522501a36af4182d789b0497

                            SHA256

                            820607d58ceec88d7aeba274885f2913775ef3dafebb64f5dc3d0a3da3d05cb4

                            SHA512

                            4931c6f8f08814cdb8075badc40ca34ab4df384ded88a4e11c0f2d1fbbcd239d50b6e4a6c6ac8b9c183804f2c7e3354d53f82c2545c98c6fe39f06211af92ed2

                          • C:\Users\Admin\AppData\Local\Temp\CabE487.tmp

                            Filesize

                            70KB

                            MD5

                            49aebf8cbd62d92ac215b2923fb1b9f5

                            SHA1

                            1723be06719828dda65ad804298d0431f6aff976

                            SHA256

                            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                            SHA512

                            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                          • C:\Users\Admin\AppData\Local\Temp\TarE4B9.tmp

                            Filesize

                            181KB

                            MD5

                            4ea6026cf93ec6338144661bf1202cd1

                            SHA1

                            a1dec9044f750ad887935a01430bf49322fbdcb7

                            SHA256

                            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                            SHA512

                            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                          • \ProgramData\chrome.dll

                            Filesize

                            676KB

                            MD5

                            eda18948a989176f4eebb175ce806255

                            SHA1

                            ff22a3d5f5fb705137f233c36622c79eab995897

                            SHA256

                            81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

                            SHA512

                            160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

                          • memory/956-177-0x0000000026E20000-0x000000002707F000-memory.dmp

                            Filesize

                            2.4MB

                          • memory/956-270-0x0000000000900000-0x0000000000C00000-memory.dmp

                            Filesize

                            3.0MB

                          • memory/956-2-0x0000000000900000-0x0000000000C00000-memory.dmp

                            Filesize

                            3.0MB