General
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Target
RobloxPlayerInstaller.exe
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Size
5.4MB
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Sample
240607-x1cvescd3s
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MD5
84e67989f7ccd11c2b7db38f3d3443b8
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SHA1
c3e821de715aa7508b3273de16c9156014d81922
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SHA256
5eac06573fb9289a5ad1dfa8b88d2d7b79f1bd89e61c53247f8cae50143e7a2c
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SHA512
d0ea7235f591f31edeb7183c91fb0bb1347a9386c170c43b21e2c5fd93b7040e73e1a1a9f3ef6f83d097b1af0f9e2a9938dd59ae47588940491da25248eb7d99
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SSDEEP
98304:JDvBVrrsYuyzh6E1auhHgVZirlmxJLCCQa/BHA2ujaQ:JbrrBdb7gVxLCk/xPtQ
Static task
static1
Behavioral task
behavioral1
Sample
RobloxPlayerInstaller.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
RobloxPlayerInstaller.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
RobloxPlayerInstaller.exe
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Size
5.4MB
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MD5
84e67989f7ccd11c2b7db38f3d3443b8
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SHA1
c3e821de715aa7508b3273de16c9156014d81922
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SHA256
5eac06573fb9289a5ad1dfa8b88d2d7b79f1bd89e61c53247f8cae50143e7a2c
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SHA512
d0ea7235f591f31edeb7183c91fb0bb1347a9386c170c43b21e2c5fd93b7040e73e1a1a9f3ef6f83d097b1af0f9e2a9938dd59ae47588940491da25248eb7d99
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SSDEEP
98304:JDvBVrrsYuyzh6E1auhHgVZirlmxJLCCQa/BHA2ujaQ:JbrrBdb7gVxLCk/xPtQ
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Downloads MZ/PE file
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Sets file execution options in registry
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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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Registers COM server for autorun
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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