General
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Target
vir.exe
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Size
336.1MB
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Sample
240815-3g3jmawdnq
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MD5
bc82ea785da1180a8a964b3e54ad106c
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SHA1
4c1952ce778455af8ed10dca7b9f77d7815e8d0a
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SHA256
c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b
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SHA512
62bf34d75e913a47185664a34555678d0b8c2cf03c9e922b0bdcb085713322bafba2bf396b43a4cda7e0be6d315aea027bba29c628fe561d01e3026b4e0b405b
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SSDEEP
6291456:72qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHZdHVeVF0oJ:yr+WeSWgfecGT4RjvqP85/A33
Behavioral task
behavioral1
Sample
vir.exe
Resource
win11-20240802-en
Malware Config
Extracted
quasar
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reconnect_delay
3000
Extracted
quasar
1.4.1
romka
jozzu420-51305.portmap.host:51305
0445c342-b551-411c-9b80-cd437437f491
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encryption_key
E1BF1D99459F04CAF668F054744BC2C514B0A3D6
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install_name
Romilyaa.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows 10 Boot
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subdirectory
SubDir
Targets
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Target
vir.exe
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Size
336.1MB
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MD5
bc82ea785da1180a8a964b3e54ad106c
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SHA1
4c1952ce778455af8ed10dca7b9f77d7815e8d0a
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SHA256
c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b
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SHA512
62bf34d75e913a47185664a34555678d0b8c2cf03c9e922b0bdcb085713322bafba2bf396b43a4cda7e0be6d315aea027bba29c628fe561d01e3026b4e0b405b
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SSDEEP
6291456:72qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHZdHVeVF0oJ:yr+WeSWgfecGT4RjvqP85/A33
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Detect Umbral payload
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Quasar payload
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Blocklisted process makes network request
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible privilege escalation attempt
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Password Policy Discovery
Attempt to access detailed information about the password policy used within an enterprise network.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Enumerates processes with tasklist
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
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
File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Password Policy Discovery
1Process Discovery
1Query Registry
4Remote System Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1