Analysis

  • max time kernel
    130s
  • max time network
    133s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-02-2025 15:03

General

  • Target

    Setup.exe

  • Size

    131KB

  • MD5

    abf2df1aba1a934b229a5c6c26954414

  • SHA1

    18ee222087a4f65366a24df3998f17e760ad7aa2

  • SHA256

    29c88d185c4c1bee7944a0dc0a53bb5809eba3691b147a8361300b5a2572e350

  • SHA512

    ec19194c5ee91d59c3681f50ffd0b7a8afe1dd65b835418f136e9b4185465b16bb286ed60d77f816421c4d4af80806576dbce351a224975e63ed1ce10cdb280d

  • SSDEEP

    3072:/dK22H8N0c2rPy+nm493gs39GgFNTIGHSxYld4RTV82Sq0:168mPD93ga7yeSgq0

Malware Config

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Signatures

  • Detect Vidar Stealer 17 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses browser remote debugging 2 TTPs 5 IoCs

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • 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
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4492
      • 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
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4852
        • 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:4 --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=123.0.6312.123 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ffca320cc40,0x7ffca320cc4c,0x7ffca320cc58
          4⤵
            PID:4892
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2400,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2396 /prefetch:2
            4⤵
              PID:2624
            • 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 --no-appcompat-clear --field-trial-handle=1948,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2560 /prefetch:3
              4⤵
                PID:884
              • 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=service --no-appcompat-clear --field-trial-handle=2052,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2616 /prefetch:8
                4⤵
                  PID:4580
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3224,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3244 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2924
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3252,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3304 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:4280
                • 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 --no-appcompat-clear --field-trial-handle=3264,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4568 /prefetch:8
                  4⤵
                    PID:712
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4332,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4708 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:4972
                  • 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 --no-appcompat-clear --field-trial-handle=4688,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4812 /prefetch:8
                    4⤵
                      PID:1592
                    • 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 --no-appcompat-clear --field-trial-handle=4784,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4992 /prefetch:8
                      4⤵
                        PID:1808
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4584,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4816 /prefetch:8
                        4⤵
                          PID:4216
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=5200,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5212 /prefetch:8
                          4⤵
                            PID:4924
                          • 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 --no-appcompat-clear --field-trial-handle=4744,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4812 /prefetch:8
                            4⤵
                              PID:2848
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4748,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5224 /prefetch:8
                              4⤵
                                PID:1996
                              • 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 --no-appcompat-clear --field-trial-handle=5228,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5280 /prefetch:8
                                4⤵
                                  PID:4480
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --field-trial-handle=5004,i,13374123766787799753,14031434422399577106,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5084 /prefetch:2
                                  4⤵
                                  • Uses browser remote debugging
                                  PID:5112
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 160
                              2⤵
                              • Program crash
                              PID:2620
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2996 -ip 2996
                            1⤵
                              PID:4620
                            • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                              1⤵
                                PID:5020
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:2360

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.89.1_0\_locales\en_CA\messages.json

                                  Filesize

                                  851B

                                  MD5

                                  07ffbe5f24ca348723ff8c6c488abfb8

                                  SHA1

                                  6dc2851e39b2ee38f88cf5c35a90171dbea5b690

                                  SHA256

                                  6895648577286002f1dc9c3366f558484eb7020d52bbf64a296406e61d09599c

                                  SHA512

                                  7ed2c8db851a84f614d5daf1d5fe633bd70301fd7ff8a6723430f05f642ceb3b1ad0a40de65b224661c782ffcec69d996ebe3e5bb6b2f478181e9a07d8cd41f6

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.89.1_0\dasherSettingSchema.json

                                  Filesize

                                  854B

                                  MD5

                                  4ec1df2da46182103d2ffc3b92d20ca5

                                  SHA1

                                  fb9d1ba3710cf31a87165317c6edc110e98994ce

                                  SHA256

                                  6c69ce0fe6fab14f1990a320d704fee362c175c00eb6c9224aa6f41108918ca6

                                  SHA512

                                  939d81e6a82b10ff73a35c931052d8d53d42d915e526665079eeb4820df4d70f1c6aebab70b59519a0014a48514833fefd687d5a3ed1b06482223a168292105d

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                  Filesize

                                  2B

                                  MD5

                                  d751713988987e9331980363e24189ce

                                  SHA1

                                  97d170e1550eee4afc0af065b78cda302a97674c

                                  SHA256

                                  4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                  SHA512

                                  b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                                • C:\Users\Admin\AppData\Local\Temp\scoped_dir4852_1152198328\CRX_INSTALL\_locales\en_CA\messages.json

                                  Filesize

                                  711B

                                  MD5

                                  558659936250e03cc14b60ebf648aa09

                                  SHA1

                                  32f1ce0361bbfdff11e2ffd53d3ae88a8b81a825

                                  SHA256

                                  2445cad863be47bb1c15b57a4960b7b0d01864e63cdfde6395f3b2689dc1444b

                                  SHA512

                                  1632f5a3cd71887774bf3cb8a4d8b787ea6278271657b0f1d113dbe1a7fd42c4daa717cc449f157ce8972037572b882dc946a7dc2c0e549d71982dcdee89f727

                                • memory/2996-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2996-1-0x0000000000080000-0x00000000000A8000-memory.dmp

                                  Filesize

                                  160KB

                                • memory/2996-2-0x0000000004DF0000-0x0000000005396000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/2996-4-0x00000000747C0000-0x0000000074F71000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/2996-9-0x00000000747C0000-0x0000000074F71000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/4492-21-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-438-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-19-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-18-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-8-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-7-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-6-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-5-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-436-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-20-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-439-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-440-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-441-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-442-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-443-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-444-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4492-445-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB