General
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Target
vir.exe
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Size
336.1MB
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Sample
240729-zt8dvsvcmb
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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
win7-20240705-en
Behavioral task
behavioral2
Sample
vir.exe
Resource
win10v2004-20240729-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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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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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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MITRE ATT&CK Enterprise v15
Discovery
Password Policy Discovery
1Process Discovery
1Query Registry
2Remote System Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1