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Windows Analysis Report
https://edge.fullstory.com/s/fs.js

Overview

General Information

Sample URL:	https://edge.fullstory.com/s/fs.js
Analysis ID:	782621

Detection

Score:	0
Range:	0 - 100
Whitelisted:	false
Confidence:	80%

Signatures

No high impact signatures.

Classification

Process Tree

System is w10x64_ra

chrome.exe (PID: 5996 cmdline: "C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized --single-argument https://edge.fullstory.com/s/fs.js MD5: 7BC7B4AEDC055BB02BCB52710132E9E1)

chrome.exe (PID: 5240 cmdline: "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=2072 --field-trial-handle=1800,i,11542004998108829797,17815700511927712458,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationTargetPrediction /prefetch:8 MD5: 7BC7B4AEDC055BB02BCB52710132E9E1)

cleanup

Yara Signatures

⊘No yara matches

Sigma Signatures

⊘No Sigma rule has matched

Snort Signatures

⊘No Snort rule has matched

Joe Sandbox Signatures

• Compliance
• Networking
• System Summary

Click to jump to signature section

Show All Signature Results

There are no malicious signatures, click here to show all signatures.

Source: C:\Program Files\Google\Chrome\Application\chrome.exe

Directory created: C:\Program Files\Google\GoogleUpdater

Source: unknown

DNS traffic detected: queries for: edge.fullstory.com

Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49755
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49777
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49754
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49776
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49753
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49774
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49762
Source: unknown	Network traffic detected: HTTP traffic on port 49762 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49776 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49777 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49754 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49753 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49774 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49755 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49756 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49756

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	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67
Source: unknown	TCP traffic detected without corresponding DNS query: 142.250.185.67

Source: classification engine

Classification label: clean0.win@23/0@5/105

Source: C:\Program Files\Google\Chrome\Application\chrome.exe

File created: C:\Program Files\Google\GoogleUpdater

Source: unknown	Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized --single-argument https://edge.fullstory.com/s/fs.js
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=2072 --field-trial-handle=1800,i,11542004998108829797,17815700511927712458,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationTargetPrediction /prefetch:8
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
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=2072 --field-trial-handle=1800,i,11542004998108829797,17815700511927712458,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationTargetPrediction /prefetch:8
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown
Source: C:\Program Files\Google\Chrome\Application\chrome.exe	Process created: unknown unknown

Source: Window Recorder

Window detected: More than 3 window changes detected

Source: C:\Program Files\Google\Chrome\Application\chrome.exe

Directory created: C:\Program Files\Google\GoogleUpdater

Mitre Att&ck Matrix

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Exfiltration	Command and Control	Network Effects	Remote Service Effects	Impact
Valid Accounts	Windows Management Instrumentation	Path Interception	1 Process Injection	2 Masquerading	OS Credential Dumping	System Service Discovery	Remote Services	Data from Local System	Exfiltration Over Other Network Medium	2 Encrypted Channel	Eavesdrop on Insecure Network Communication	Remotely Track Device Without Authorization	Modify System Partition
Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	1 Process Injection	LSASS Memory	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	1 Non-Application Layer Protocol	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout
Domain Accounts	At (Linux)	Logon Script (Windows)	Logon Script (Windows)	Obfuscated Files or Information	Security Account Manager	Query Registry	SMB/Windows Admin Shares	Data from Network Shared Drive	Automated Exfiltration	2 Application Layer Protocol	Exploit SS7 to Track Device Location	Obtain Device Cloud Backups	Delete Device Data

Screenshots

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Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
https://edge.fullstory.com/s/fs.js	0%	Virustotal		Browse
https://edge.fullstory.com/s/fs.js	0%	Avira URL Cloud	safe

Dropped Files

⊘No Antivirus matches

Unpacked PE Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

Name	IP	Active	Malicious	Reputation
accounts.google.com	142.250.186.141	true	false	high
www.google.com	142.250.185.196	true	false	high
edge.fullstory.com	35.201.112.186	true	false	high
clients.l.google.com	142.250.186.142	true	false	high
clients2.google.com	unknown	unknown	false	high

Contacted URLs

Name	Malicious	Antivirus Detection	Reputation
https://edge.fullstory.com/s/fs.js	false		high

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	ASN	ASN Name	Malicious
142.250.185.67	unknown	United States	15169	GOOGLEUS	false
34.104.35.123	unknown	United States	15169	GOOGLEUS	false
35.201.112.186	edge.fullstory.com	United States	15169	GOOGLEUS	false
239.255.255.250	unknown	Reserved	unknown	unknown	false
142.250.186.141	accounts.google.com	United States	15169	GOOGLEUS	false
142.250.186.142	clients.l.google.com	United States	15169	GOOGLEUS	false
142.250.186.100	unknown	United States	15169	GOOGLEUS	false
142.250.185.227	unknown	United States	15169	GOOGLEUS	false

Private

IP
192.168.2.1
127.0.0.1

General Information

Joe Sandbox Version:	36.0.0 Rainbow Opal
Analysis ID:	782621
Start date and time:	2023-01-11 21:17:13 +01:00
Joe Sandbox Product:	CloudBasic
Overall analysis duration:
Hypervisor based Inspection enabled:	false
Report type:	full
Cookbook file name:	defaultwindowsinteractivecookbook.jbs
Sample URL:	https://edge.fullstory.com/s/fs.js
Analysis system description:	Windows 10 64 bit version 1909 (MS Office 2019, IE 11, Chrome 104, Firefox 88, Adobe Reader DC 21, Java 8 u291, 7-Zip)
Number of analysed new started processes analysed:	8
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	EGA enabled
Analysis Mode:	stream
Analysis stop reason:	Timeout
Detection:	CLEAN
Classification:	clean0.win@23/0@5/105

Warnings

Exclude process from analysis (whitelisted): SIHClient.exe, SgrmBroker.exe, svchost.exe
Excluded IPs from analysis (whitelisted): 20.190.151.9, 20.190.151.69, 20.190.151.6, 20.190.151.70, 20.190.151.131, 20.190.151.133, 20.190.151.68, 20.190.151.7, 142.250.185.227, 34.104.35.123
Excluded domains from analysis (whitelisted): fs.microsoft.com, prda.aadg.msidentity.com, edgedl.me.gvt1.com, slscr.update.microsoft.com, login.live.com, www.tm.lg.prod.aadmsa.akadns.net, clientservices.googleapis.com, login.msa.msidentity.com, www.tm.a.prd.aadg.trafficmanager.net
Not all processes where analyzed, report is missing behavior information

Created / dropped Files

⊘No created / dropped files found

Static File Info

⊘No static file info

Description:	Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a method of executing arbitrary code in the address space of a separate live process. Running code in the context of another process may allow access to the process's memory, system/network resources, and possibly elevated privileges. Execution via process injection may also evade detection from security products since the execution is masked under a legitimate process.
Tactics:	Defense Evasion, Privilege Escalation
Data Sources:	API monitoring, DLL monitoring, File monitoring, Named Pipes, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Masquerading occurs when the name or location of an object, legitimate or malicious, is manipulated or abused for the sake of evading defenses and observation. This may include manipulating file metadata, tricking users into misidentifying the file type, and giving legitimate task or service names.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata, File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Malware reverse engineering, Netflow/Enclave netflow, Packet capture, Process monitoring, Process use of network, SSL/TLS inspection
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network. The list of possible protocols is extensive.Specific examples include use of network layer protocols, such as the Internet Control Message Protocol (ICMP), transport layer protocols, such as the User Datagram Protocol (UDP), session layer protocols, such as Socket Secure (SOCKS), as well as redirected/tunneled protocols, such as Serial over LAN (SOL).
Tactics:	Command and Control
Data Sources:	Host network interface, Netflow/Enclave netflow, Network intrusion detection system, Network protocol analysis, Packet capture, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	DNS records, Netflow/Enclave netflow, Network protocol analysis, Packet capture, Process monitoring, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Windows Analysis Report
https://edge.fullstory.com/s/fs.js

Overview

General Information

Detection

Signatures

Classification

Process Tree

Yara Signatures

Sigma Signatures

Snort Signatures

Joe Sandbox Signatures

Compliance

Networking

System Summary

Mitre Att&ck Matrix

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted URLs

World Map of Contacted IPs

Public IPs

Private

General Information

Warnings

Created / dropped Files

Static File Info

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report https://edge.fullstory.com/s/fs.js

Overview

General Information

Detection

Signatures

Classification

Process Tree

Yara Signatures

Sigma Signatures

Snort Signatures

Joe Sandbox Signatures

Compliance

Networking

System Summary

Mitre Att&ck Matrix

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted URLs

World Map of Contacted IPs

Public IPs

Private

General Information

Warnings

Created / dropped Files

Static File Info

Windows Analysis Report
https://edge.fullstory.com/s/fs.js