General
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Target
file.exe
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Size
4.2MB
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Sample
241126-lsrstswjfy
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MD5
656371664d61fbd6c3db3bdf26b502d7
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SHA1
b0d400bdaa8c52aa61ab572d8e3cf77066a11c6f
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SHA256
39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f
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SHA512
c1950690f598c5ea7b8b36bed90c24ce42c47e4b34c0102561b690db54b2fb2772a3cdc3c24da5b5e0b777b8dcc80d835b4e2cb468073a25bfe0bf6ac18f1edf
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SSDEEP
98304:Uib9DJROG8rIMz6D+OWpcU1bf+Ii2l5eyrbSGyJIIT8hRnLGj:Uib9VROP6yfcOf+rKeCSr8hR4
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
Malware Config
Targets
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Target
file.exe
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Size
4.2MB
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MD5
656371664d61fbd6c3db3bdf26b502d7
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SHA1
b0d400bdaa8c52aa61ab572d8e3cf77066a11c6f
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SHA256
39ea348148e0911c4682bddcca8fb0ebaa3b6e733cd7b319e859161ac306462f
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SHA512
c1950690f598c5ea7b8b36bed90c24ce42c47e4b34c0102561b690db54b2fb2772a3cdc3c24da5b5e0b777b8dcc80d835b4e2cb468073a25bfe0bf6ac18f1edf
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SSDEEP
98304:Uib9DJROG8rIMz6D+OWpcU1bf+Ii2l5eyrbSGyJIIT8hRnLGj:Uib9VROP6yfcOf+rKeCSr8hR4
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Cryptbot family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1