Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 02:35

General

  • Target

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe

  • Size

    1.1MB

  • MD5

    3dda292f77b97dfbdc3e00053784a136

  • SHA1

    824be91ad1f3422204b8b6368f481c47d5c41338

  • SHA256

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da

  • SHA512

    62a7432fb8e4b6a4e1eb0918642d4bee02e55e239d90ce8fc16e4441694c435c11d53a71ac47adf82603679de3b5e7e22dec749394d3c95790c40ce01bf31ca2

  • SSDEEP

    24576:LSeqDj22FCrg559kuT8TBNRU5Vg/8HuvKHR4uCc9lnlJkYn:LhqXlr55XTU3RQ3HWKx1C6ZlJkYn

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).

  • 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\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe
    "C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe
      "C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe"
      2⤵
        PID:3916
      • C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe
        "C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.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:4428
        • 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:2876
          • 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,0x100,0xd4,0x104,0x7ffb4275cc40,0x7ffb4275cc4c,0x7ffb4275cc58
            4⤵
              PID:1420
            • 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=2032,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2028 /prefetch:2
              4⤵
                PID:4612
              • 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=1900,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2224 /prefetch:3
                4⤵
                  PID:5028
                • 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=2272,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2288 /prefetch:8
                  4⤵
                    PID:1172
                  • 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=3148,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3168 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:4688
                  • 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=3176,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3208 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2560
                  • 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=3620,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4584 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:368
                  • 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=4732,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4532 /prefetch:8
                    4⤵
                      PID:3476
                    • 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=4764,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4528 /prefetch:8
                      4⤵
                        PID:4956
                      • 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=4492,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4256 /prefetch:8
                        4⤵
                          PID:2672
                        • 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=4816,i,5674643555948633064,8185261313205717545,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5016 /prefetch:8
                          4⤵
                            PID:4964
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIIECFHDBAAE" & exit
                          3⤵
                          • System Location Discovery: System Language Discovery
                          PID:2440
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 10
                            4⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:4540
                    • 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:428
                      • 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

                          331365662af729b60dd8c7ed39e15b93

                          SHA1

                          294f4a6efb3ad763ba79cb93f4c95ccdd5e447dc

                          SHA256

                          68e313de50efb0102803ec6bbc335d5e6f8f40a06eefb223ad29cde51c69ca7f

                          SHA512

                          ea637a027b04c9289ca0c662fbc7a2eac41829090e95b25807788ce9ce519b8d59e0cfc89b7bfb52166161b8da7c23e517aab45ca5ca365962b7e74d72737f1c

                        • 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/2644-0-0x000000000081F000-0x0000000000820000-memory.dmp

                          Filesize

                          4KB

                        • memory/4428-71-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-92-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-18-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-4-0x0000000000700000-0x0000000000826000-memory.dmp

                          Filesize

                          1.1MB

                        • memory/4428-77-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-78-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-79-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-19-0x000000001C640000-0x000000001C89F000-memory.dmp

                          Filesize

                          2.4MB

                        • memory/4428-93-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-3-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-1-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-115-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-116-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-123-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-124-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4428-125-0x0000000000400000-0x0000000000700000-memory.dmp

                          Filesize

                          3.0MB