General
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Target
RobloxPlayerInstaller.exe
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Size
5.5MB
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Sample
240722-plcxwaxcjb
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MD5
87e3d886a3716e6ca0370324c8599553
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SHA1
9c0f902dcac08193d13990b2c46702ce1ddeb3a7
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SHA256
a1d6267bcdc07ab4d900111ee56102d95f2aa1ca5f3a052cb7c11945e0ffba48
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SHA512
860a67582c4cd2df7fe1c21307450356ca8270b448fdb96de957a5af5f6b38c87da84f47cfceb91804afdec693d52029bb7151e02a753793889daf4ff4779a25
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SSDEEP
98304:edv4xixgrOYvLtWV9SxAPZl+RqgSRe4rcSRhE1RKsJgHXe8WDuLNzTf:M4QqrvvySshgSsR/mOdANP
Static task
static1
Behavioral task
behavioral1
Sample
RobloxPlayerInstaller.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
RobloxPlayerInstaller.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
RobloxPlayerInstaller.exe
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Size
5.5MB
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MD5
87e3d886a3716e6ca0370324c8599553
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SHA1
9c0f902dcac08193d13990b2c46702ce1ddeb3a7
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SHA256
a1d6267bcdc07ab4d900111ee56102d95f2aa1ca5f3a052cb7c11945e0ffba48
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SHA512
860a67582c4cd2df7fe1c21307450356ca8270b448fdb96de957a5af5f6b38c87da84f47cfceb91804afdec693d52029bb7151e02a753793889daf4ff4779a25
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SSDEEP
98304:edv4xixgrOYvLtWV9SxAPZl+RqgSRe4rcSRhE1RKsJgHXe8WDuLNzTf:M4QqrvvySshgSsR/mOdANP
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Browser Extensions
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1