General
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Target
638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020.exe
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Size
4.2MB
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Sample
241116-jmycbawmfk
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MD5
5552526220fa0f65d5371d522781fcab
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SHA1
09a58d7523266565f9a32198356a7b40e5bfa029
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SHA256
638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020
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SHA512
8ac56ec18352d02bcf454dbf25e41a6d577cead5e8dfa03290d7d3dd590e950183c11b7e54c849598c70019b4bffb64ffbab18108079e0e99accce29bca58d05
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SSDEEP
98304:FHe8EXNnsUC1nsNi08h5iLfPrlcr9cUYS302MHcNc4+JvpgjqSE1cDTpBn3CG:QqJ1n308h4JAcUVhMHci4+QCMfyG
Static task
static1
Behavioral task
behavioral1
Sample
638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020.exe
Resource
win7-20241010-en
Malware Config
Targets
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Target
638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020.exe
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Size
4.2MB
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MD5
5552526220fa0f65d5371d522781fcab
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SHA1
09a58d7523266565f9a32198356a7b40e5bfa029
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SHA256
638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020
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SHA512
8ac56ec18352d02bcf454dbf25e41a6d577cead5e8dfa03290d7d3dd590e950183c11b7e54c849598c70019b4bffb64ffbab18108079e0e99accce29bca58d05
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SSDEEP
98304:FHe8EXNnsUC1nsNi08h5iLfPrlcr9cUYS302MHcNc4+JvpgjqSE1cDTpBn3CG:QqJ1n308h4JAcUVhMHci4+QCMfyG
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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