General
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Target
file.exe
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Size
4.2MB
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Sample
241121-ef7vysxhra
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MD5
7dfd0e3781e268e2e6d5f6e8712455fb
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SHA1
beb4b1e543d14e26c3ddccfe324eb8f3ba67194f
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SHA256
273813e96ea6dad4fdbeb9d791929caf69b193f488d9adc7cf66cf00a8b5b098
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SHA512
fe62997c3cde4125871681f8c85986e5f598cd6e03cdf76d916cf228ff85bbbd56450fed2585837b48f74167e0d8404e7e247d9087be5dad41d67cd391b2e57d
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SSDEEP
98304:79pUUv3qR8haBIQxhHppPaNv55OvJef17oHW+youabEWw:79vPS8haBIQrqNRee6VyXabED
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
7dfd0e3781e268e2e6d5f6e8712455fb
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SHA1
beb4b1e543d14e26c3ddccfe324eb8f3ba67194f
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SHA256
273813e96ea6dad4fdbeb9d791929caf69b193f488d9adc7cf66cf00a8b5b098
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SHA512
fe62997c3cde4125871681f8c85986e5f598cd6e03cdf76d916cf228ff85bbbd56450fed2585837b48f74167e0d8404e7e247d9087be5dad41d67cd391b2e57d
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SSDEEP
98304:79pUUv3qR8haBIQxhHppPaNv55OvJef17oHW+youabEWw:79vPS8haBIQrqNRee6VyXabED
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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