General
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Target
lol.exe
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Size
13.1MB
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Sample
240523-r9qvrafa45
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MD5
621d4a616715d165ed2c10e48e5fd94b
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SHA1
7fabfdb5167e59d0442df460e1b236cb5bc75fbe
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SHA256
7975eec3959bed57e86fb6fa917503a7a1242fdf589dde7600783fc37d3dfbde
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SHA512
793302845e76e8cc03bd8281abad4db786f361e5c1a691462b40da11e8e7ac6210e0e9c21b41493dedffc6724af146ef70b9f8448d51dc860725364e14cba442
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SSDEEP
196608:tbVYKe7PjQhn5EQ9hNQAYzA5k6cTWDn7JKObS09Vp7j1oTeBI7lm:pzuA5EWheYkv8LlCTe2s
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
lol.exe
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Size
13.1MB
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MD5
621d4a616715d165ed2c10e48e5fd94b
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SHA1
7fabfdb5167e59d0442df460e1b236cb5bc75fbe
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SHA256
7975eec3959bed57e86fb6fa917503a7a1242fdf589dde7600783fc37d3dfbde
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SHA512
793302845e76e8cc03bd8281abad4db786f361e5c1a691462b40da11e8e7ac6210e0e9c21b41493dedffc6724af146ef70b9f8448d51dc860725364e14cba442
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SSDEEP
196608:tbVYKe7PjQhn5EQ9hNQAYzA5k6cTWDn7JKObS09Vp7j1oTeBI7lm:pzuA5EWheYkv8LlCTe2s
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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Quasar payload
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Disables RegEdit via registry modification
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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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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Modifies WinLogon
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
7