Analysis

  • max time kernel
    148s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 17:33

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 14 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 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 data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 26 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:3772
    • C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe
      "C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe"
      2⤵
        PID:2596
      • C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe
        "C:\Users\Admin\AppData\Local\Temp\9726ba5e1a7ad8c6f0351c147e9aa9a477cd7aca12f00363260d979ca6a9688b.exe"
        2⤵
        • Checks computer location settings
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4376
        • 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:1416
          • 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,0x100,0xd4,0x104,0x7fffdcaecc40,0x7fffdcaecc4c,0x7fffdcaecc58
            4⤵
              PID:1328
            • 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=1856,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1840 /prefetch:2
              4⤵
                PID:4944
              • 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=2160,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2172 /prefetch:3
                4⤵
                  PID:3640
                • 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=2240,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2424 /prefetch:8
                  4⤵
                    PID:1372
                  • 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=3204,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1892
                  • 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=3236,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3248 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:3068
                  • 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=7 --field-trial-handle=3196,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3724 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:348
                  • 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=4448,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4724 /prefetch:8
                    4⤵
                      PID:1912
                    • 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=4500,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4796 /prefetch:8
                      4⤵
                        PID:3284
                      • 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=4656,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4944 /prefetch:8
                        4⤵
                          PID:456
                        • 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=4768,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5092 /prefetch:8
                          4⤵
                            PID:1260
                          • 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=4988,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4944 /prefetch:8
                            4⤵
                              PID:4876
                            • 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=4684,i,10085174693237488334,17764950556322661925,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4704 /prefetch:8
                              4⤵
                                PID:4424
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAKKKEBFCGDB" & exit
                              3⤵
                              • System Location Discovery: System Language Discovery
                              PID:1736
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout /t 10
                                4⤵
                                • System Location Discovery: System Language Discovery
                                • Delays execution with timeout.exe
                                PID:4856
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 296
                            2⤵
                            • Program crash
                            PID:1948
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3772 -ip 3772
                          1⤵
                            PID:2224
                          • 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:2140
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:4464

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\ProgramData\chrome.dll

                                Filesize

                                676KB

                                MD5

                                eda18948a989176f4eebb175ce806255

                                SHA1

                                ff22a3d5f5fb705137f233c36622c79eab995897

                                SHA256

                                81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

                                SHA512

                                160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

                              • C:\ProgramData\mozglue.dll

                                Filesize

                                593KB

                                MD5

                                c8fd9be83bc728cc04beffafc2907fe9

                                SHA1

                                95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                                SHA256

                                ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                                SHA512

                                fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                              • C:\ProgramData\nss3.dll

                                Filesize

                                2.0MB

                                MD5

                                1cc453cdf74f31e4d913ff9c10acdde2

                                SHA1

                                6e85eae544d6e965f15fa5c39700fa7202f3aafe

                                SHA256

                                ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                                SHA512

                                dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

                                Filesize

                                649B

                                MD5

                                353d33c442ca9703f251f6ea2e6d695e

                                SHA1

                                bf226a64457777d4ea3e38a61669dcb95a999999

                                SHA256

                                30830f9e06179f9f0f6aa9000d365277a04f05343c042e856290b4afa6d323c7

                                SHA512

                                6c190d41f0896ee7ea80a54291b239d256b7d42e3bbadcddaeb8fc809022b23db93a124846c497da3b9b20515140c4cc5bc657e02183f94829941f330ce90f24

                              • 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/3772-2-0x000000000106B000-0x000000000106C000-memory.dmp

                                Filesize

                                4KB

                              • memory/4376-25-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-93-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-24-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-8-0x0000000000F50000-0x0000000001071000-memory.dmp

                                Filesize

                                1.1MB

                              • memory/4376-85-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-86-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-92-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-27-0x000000001C4E0000-0x000000001C73F000-memory.dmp

                                Filesize

                                2.4MB

                              • memory/4376-106-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-107-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-5-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-3-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-135-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-136-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-143-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB

                              • memory/4376-144-0x0000000000400000-0x0000000000700000-memory.dmp

                                Filesize

                                3.0MB