General
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Target
frivirus.exe
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Size
1.8MB
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Sample
250419-s1hy8asnt2
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MD5
22b6ce3fb5468a1a3b815fd49cef9e2a
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SHA1
eb0e6a30595d33f486a31875ab6987589e62a1cf
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SHA256
03168b7fc07d7572179b03b923c22200b259d4e01754e3e0df0118206ac9c2b9
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SHA512
e79723c4e0a62dac02f2f2bcbb487527ad053069e3b6065a13822165173823b4d5b326293ebe99a5c58b1409b33e904415c0816a9d4401f4fdd518d452720530
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SSDEEP
24576:cl157A4S2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9exnd7XrwSZ:cb5t7wR2EgKKm77LrwCB6TFrwM9
Malware Config
Extracted
quasar
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encryption_key
F5F31C46BB15BEDDB643667BC441A55E746DE4B8
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reconnect_delay
0
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startup_key
��0��c�����ƴ�
Targets
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Target
frivirus.exe
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Size
1.8MB
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MD5
22b6ce3fb5468a1a3b815fd49cef9e2a
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SHA1
eb0e6a30595d33f486a31875ab6987589e62a1cf
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SHA256
03168b7fc07d7572179b03b923c22200b259d4e01754e3e0df0118206ac9c2b9
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SHA512
e79723c4e0a62dac02f2f2bcbb487527ad053069e3b6065a13822165173823b4d5b326293ebe99a5c58b1409b33e904415c0816a9d4401f4fdd518d452720530
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SSDEEP
24576:cl157A4S2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9exnd7XrwSZ:cb5t7wR2EgKKm77LrwCB6TFrwM9
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Quasar family
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Quasar payload
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Drops file in Drivers directory
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Executes dropped EXE
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1