Windows Analysis Report
https://employeecirular.formstack.com/forms/performance_acknowledgment

Overview

General Information

Sample URL: https://employeecirular.formstack.com/forms/performance_acknowledgment
Analysis ID: 1572090
Infos:

Detection

Score: 20
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

AI detected suspicious URL

Classification

Phishing
barindex
AI detected suspicious URL
Source: Email Joe Sandbox AI: AI detected Brand spoofing attempt in URL: https://employeecirular.formstack.com
Source: Email Joe Sandbox AI: AI detected Typosquatting in URL: https://employeecirular.formstack.com
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.32
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.32
Source: unknown TCP traffic detected without corresponding DNS query: 199.232.214.172
Source: unknown TCP traffic detected without corresponding DNS query: 199.232.214.172
Source: unknown TCP traffic detected without corresponding DNS query: 199.232.214.172
Source: unknown TCP traffic detected without corresponding DNS query: 199.232.214.172
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /forms/performance_acknowledgment HTTP/1.1Host: employeecirular.formstack.comConnection: keep-alivesec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Sec-Fetch-Site: noneSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentAccept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic HTTP traffic detected: GET /forms/forms-renderer/builds/public/form_f8036ac56c.js HTTP/1.1Host: static.formstack.comConnection: keep-alivesec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36sec-ch-ua-platform: "Windows"Accept: */*Sec-Fetch-Site: same-siteSec-Fetch-Mode: no-corsSec-Fetch-Dest: scriptReferer: https://employeecirular.formstack.com/Accept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic HTTP traffic detected: GET /forms/forms-renderer/builds/public/form_f8036ac56c.js HTTP/1.1Host: static.formstack.comConnection: keep-aliveUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36Accept: */*Sec-Fetch-Site: noneSec-Fetch-Mode: corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic HTTP traffic detected: GET /forms/forms-renderer/builds/public/phoneValidation.js?chunkhash=c0eb132e5829966aa022&id=384 HTTP/1.1Host: static.formstack.comConnection: keep-alivesec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36sec-ch-ua-platform: "Windows"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Purpose: prefetchSec-Fetch-Site: same-siteSec-Fetch-Mode: no-corsSec-Fetch-Dest: emptyReferer: https://employeecirular.formstack.com/Accept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic HTTP traffic detected: GET /images/favicon/favicon.ico HTTP/1.1Host: www.formstack.comConnection: keep-alivesec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36sec-ch-ua-platform: "Windows"Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8Sec-Fetch-Site: same-siteSec-Fetch-Mode: no-corsSec-Fetch-Dest: imageReferer: https://employeecirular.formstack.com/Accept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic HTTP traffic detected: GET /images/favicon/favicon.ico HTTP/1.1Host: www.formstack.comConnection: keep-aliveUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36Accept: */*Sec-Fetch-Site: noneSec-Fetch-Mode: corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brAccept-Language: en-US,en;q=0.9
Source: global traffic DNS traffic detected: DNS query: www.google.com
Source: global traffic DNS traffic detected: DNS query: employeecirular.formstack.com
Source: global traffic DNS traffic detected: DNS query: static.formstack.com
Source: global traffic DNS traffic detected: DNS query: www.formstack.com
Source: chromecache_50.2.dr String found in binary or memory: https://fonts.gstatic.com/s/lato/v24/S6u9w4BMUTPHh6UVSwaPGR_p.woff2)
Source: chromecache_50.2.dr String found in binary or memory: https://fonts.gstatic.com/s/lato/v24/S6u9w4BMUTPHh6UVSwiPGQ.woff2)
Source: chromecache_50.2.dr String found in binary or memory: https://fonts.gstatic.com/s/lato/v24/S6uyw4BMUTPHjx4wXg.woff2)
Source: chromecache_50.2.dr String found in binary or memory: https://fonts.gstatic.com/s/lato/v24/S6uyw4BMUTPHjxAwXjeu.woff2)
Source: chromecache_53.2.dr, chromecache_47.2.dr String found in binary or memory: https://github.com/zloirock/core-js
Source: chromecache_53.2.dr, chromecache_47.2.dr String found in binary or memory: https://github.com/zloirock/core-js/blob/v3.37.1/LICENSE
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49744
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49755
Source: unknown Network traffic detected: HTTP traffic on port 49675 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49742
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49740
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49751
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49770
Source: unknown Network traffic detected: HTTP traffic on port 49740 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49742 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49745 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49770 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49744 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49751 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49739
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49737
Source: unknown Network traffic detected: HTTP traffic on port 49737 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49739 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49745
Source: unknown Network traffic detected: HTTP traffic on port 49755 -> 443
Source: classification engine Classification label: sus20.win@16/12@12/5
Source: unknown Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized "about:blank"
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: 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=2276 --field-trial-handle=2224,i,11212011533103258902,13737690239613680385,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8
Source: unknown Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" "https://employeecirular.formstack.com/forms/performance_acknowledgment"
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: 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=2276 --field-trial-handle=2224,i,11212011533103258902,13737690239613680385,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8 Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1572090 URL: https://employeecirular.for... Startdate: 10/12/2024 Architecture: WINDOWS Score: 20 24 AI detected suspicious URL 2->24 6 chrome.exe 1 2->6         started        9 chrome.exe 2->9         started        process3 dnsIp4 14 192.168.2.4, 138, 443, 49206 unknown unknown 6->14 16 239.255.255.250 unknown Reserved 6->16 11 chrome.exe 6->11         started        process5 dnsIp6 18 18.161.111.116, 443, 49742, 49744 MIT-GATEWAYSUS United States 11->18 20 formstack.com 18.161.111.126, 443, 49739, 49740 MIT-GATEWAYSUS United States 11->20 22 4 other IPs or domains 11->22
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
18.161.111.116
 unknown United States
3 MIT-GATEWAYSUS false
239.255.255.250
 unknown Reserved
unknown unknown false
18.161.111.126
 formstack.com United States
3 MIT-GATEWAYSUS false
142.250.181.100
 www.google.com United States
15169 GOOGLEUS false

Private

IP
192.168.2.4

Contacted Domains

Name IP Active
formstack.com 18.161.111.126 true
www.google.com 142.250.181.100 true
www.formstack.com unknown unknown
static.formstack.com unknown unknown
employeecirular.formstack.com unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://static.formstack.com/forms/forms-renderer/builds/public/form_f8036ac56c.js false
    		high
    https://static.formstack.com/forms/forms-renderer/builds/public/phoneValidation.js?chunkhash=c0eb132e5829966aa022&id=384 false
      		high
      https://employeecirular.formstack.com/forms/performance_acknowledgment false
        		unknown
        https://www.formstack.com/images/favicon/favicon.ico false
          		high