General
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Target
file.exe
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Size
4.2MB
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Sample
241122-emrgjsznbp
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MD5
12cd0d9c479c98fd981eec5c93de5b81
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SHA1
d6eb3df1e15d86dca156f9e9d57b6faf62559b6c
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SHA256
b2c5eff51d7f0692f552e043af3f5324cf25dccadda349d59c5dc5e95d265eb3
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SHA512
74674519f5702f5347be782314b5fe4e68c3e00d0baac6dfe103b3f12d9a97fdd7876d56983d599162beef9d92a3294cfd2c2da00b7f6b7dd96effe9679b752c
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SSDEEP
98304:xftFgAd10qZEMXgSAlTJtDUS6Ei5iO8u9YR/UnWm:xftFhb0q6MTA7eSXi5b87R/Un1
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20241010-en
Malware Config
Targets
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Target
file.exe
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Size
4.2MB
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MD5
12cd0d9c479c98fd981eec5c93de5b81
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SHA1
d6eb3df1e15d86dca156f9e9d57b6faf62559b6c
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SHA256
b2c5eff51d7f0692f552e043af3f5324cf25dccadda349d59c5dc5e95d265eb3
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SHA512
74674519f5702f5347be782314b5fe4e68c3e00d0baac6dfe103b3f12d9a97fdd7876d56983d599162beef9d92a3294cfd2c2da00b7f6b7dd96effe9679b752c
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SSDEEP
98304:xftFgAd10qZEMXgSAlTJtDUS6Ei5iO8u9YR/UnWm:xftFhb0q6MTA7eSXi5b87R/Un1
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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