Analysis

  • max time kernel
    132s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-02-2025 15:07

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 4 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
  • 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 3 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:1748
    • 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:100
      • 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
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2244
        • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ff875d4cc40,0x7ff875d4cc4c,0x7ff875d4cc58
          4⤵
            PID:2392
          • 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=2028,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2024 /prefetch:2
            4⤵
              PID:5060
            • 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=1884,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2152 /prefetch:3
              4⤵
                PID:2168
              • 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=1724,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2280 /prefetch:8
                4⤵
                  PID:3780
                • 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=3172,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3188 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:2616
                • 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=3196,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3348 /prefetch:1
                  4⤵
                  • Uses browser remote debugging
                  PID:1664
                • 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=4536,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4528 /prefetch:8
                  4⤵
                    PID:1176
                  • 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=4664,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4672 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    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 --no-appcompat-clear --field-trial-handle=4852,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4932 /prefetch:8
                    4⤵
                      PID:1712
                    • 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=4912,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4908 /prefetch:8
                      4⤵
                        PID:4812
                      • 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=4940,i,8057425936033486397,4514293377762335108,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4848 /prefetch:8
                        4⤵
                          PID:368
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 980
                      2⤵
                      • Program crash
                      PID:2672
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1748 -ip 1748
                    1⤵
                      PID:864
                    • 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:2884
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3144

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • 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

                        • memory/100-19-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-64-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-5-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-6-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-71-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-8-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-17-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-18-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-70-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-20-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-66-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-65-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-54-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-56-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-57-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-60-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/100-4-0x0000000000400000-0x0000000000422000-memory.dmp

                          Filesize

                          136KB

                        • memory/1748-1-0x0000000000230000-0x0000000000258000-memory.dmp

                          Filesize

                          160KB

                        • memory/1748-2-0x0000000004FE0000-0x0000000005584000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/1748-0-0x0000000073B5E000-0x0000000073B5F000-memory.dmp

                          Filesize

                          4KB

                        • memory/1748-7-0x0000000073B50000-0x0000000074300000-memory.dmp

                          Filesize

                          7.7MB