General
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Target
https://nodejs.org/dist/v22.12.0/node-v22.12.0-x64.msi
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Sample
241226-evb2tswpgv
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://nodejs.org/dist/v22.12.0/node-v22.12.0-x64.msi
Resource
win11-20241007-en
Malware Config
Extracted
https://github.com/robloxopensrc/robIox-cdn/raw/refs/heads/main/OneDrive.exe
Extracted
quasar
1.4.1
Test
147.185.221.22:54755
9cabbafb-503b-49f1-ab22-adc756455c10
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encryption_key
8B93C77AC1C58EA80A3327E9FD26246A79EF3B8E
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install_name
Onedrive.exe
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log_directory
Logs
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reconnect_delay
100
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startup_key
Microsoft OneDrive
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subdirectory
Onedrive
Targets
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Target
https://nodejs.org/dist/v22.12.0/node-v22.12.0-x64.msi
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Quasar family
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Quasar payload
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Checks for common network interception software
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Renames multiple (82) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Windows Firewall
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A potential corporate email address has been identified in the URL: [email protected]
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Hide Artifacts: Hidden Window
Windows that would typically be displayed when an application carries out an operation can be hidden.
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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Window
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1