General
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Target
file.exe
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Size
4.2MB
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Sample
241120-xd334a1bra
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MD5
f90374d1e2df332bd4f9e86c9ae614a0
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SHA1
31a9cc771605166f62d58badad661d2d727ea218
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SHA256
f9bdb5c752cc0ed00c82cfd43688b694a98cd593e583d31809b625e69b6be007
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SHA512
d6e2201ede8cf552d2e7c47630ee09f2cb316e0d0511a60a66ae29c19b76304367618053cfe41d647c6991557789fe34e3cfd7168908ed22fe261da80d66f014
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SSDEEP
98304:c+4svHtTl8A58Z7VKxOqfUDenVjq7AH66wtRk09kG:esvHxl8AKZNVDI4D6wyG
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
f90374d1e2df332bd4f9e86c9ae614a0
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SHA1
31a9cc771605166f62d58badad661d2d727ea218
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SHA256
f9bdb5c752cc0ed00c82cfd43688b694a98cd593e583d31809b625e69b6be007
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SHA512
d6e2201ede8cf552d2e7c47630ee09f2cb316e0d0511a60a66ae29c19b76304367618053cfe41d647c6991557789fe34e3cfd7168908ed22fe261da80d66f014
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SSDEEP
98304:c+4svHtTl8A58Z7VKxOqfUDenVjq7AH66wtRk09kG:esvHxl8AKZNVDI4D6wyG
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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