General
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Target
YBLLT_file.exe
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Size
4.2MB
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Sample
241121-3dh1tawrfp
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MD5
e44fb60a2cfd998fee51e42e436fc4b5
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SHA1
24edb01b49d8a6cc4533a8ada342be18c0ad13f9
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SHA256
84363c685284008ab2c536946d3dd1b69bcbc1636754d6181b16611003760cb9
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SHA512
4c1169f81b3e272e8db65264226f977bd24216cc558aac28036d827e3e64b484c7b8251ff80ce8094df4137ca1c3fc2a6c4b1813191e6cd91d2d15cc0f2e2293
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SSDEEP
98304:0Fjad1G+OLu0LP2vD2NuxY2dTpA6IjitYebn:0JKs+OLu0bUxY6dnmiqs
Static task
static1
Behavioral task
behavioral1
Sample
YBLLT_file.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
YBLLT_file.exe
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Size
4.2MB
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MD5
e44fb60a2cfd998fee51e42e436fc4b5
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SHA1
24edb01b49d8a6cc4533a8ada342be18c0ad13f9
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SHA256
84363c685284008ab2c536946d3dd1b69bcbc1636754d6181b16611003760cb9
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SHA512
4c1169f81b3e272e8db65264226f977bd24216cc558aac28036d827e3e64b484c7b8251ff80ce8094df4137ca1c3fc2a6c4b1813191e6cd91d2d15cc0f2e2293
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SSDEEP
98304:0Fjad1G+OLu0LP2vD2NuxY2dTpA6IjitYebn:0JKs+OLu0bUxY6dnmiqs
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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