General
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Target
file.exe
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Size
4.2MB
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Sample
241121-xvscxsvnfw
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MD5
40cb4053a584486a21a109ffb44933c9
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SHA1
07a94039a6176646ecdb0a5b0fab59b632bdbd18
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SHA256
71b2a45658b6d8df33fc9bacc2c938ec598db52f8a477d859632d774802c0d84
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SHA512
58356679459f0c4126905cb2603c21fcc77f84c338ed8f03bd9639027c1e47475a09e4d2617aff5b695caf0915c36b59570e2572b64142dd76701c8ddc0fffd3
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SSDEEP
98304:MS/IP1tXjcvurtGm5Awv025ancWoTMcmMWnV:MS/81tTcvugm/s25LWtcrU
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
file.exe
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Size
4.2MB
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MD5
40cb4053a584486a21a109ffb44933c9
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SHA1
07a94039a6176646ecdb0a5b0fab59b632bdbd18
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SHA256
71b2a45658b6d8df33fc9bacc2c938ec598db52f8a477d859632d774802c0d84
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SHA512
58356679459f0c4126905cb2603c21fcc77f84c338ed8f03bd9639027c1e47475a09e4d2617aff5b695caf0915c36b59570e2572b64142dd76701c8ddc0fffd3
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SSDEEP
98304:MS/IP1tXjcvurtGm5Awv025ancWoTMcmMWnV:MS/81tTcvugm/s25LWtcrU
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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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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