General
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Target
file.exe
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Size
4.2MB
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Sample
241120-lref4szkhm
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MD5
e0daf3617f84af41981769a31ed23565
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SHA1
e366c1340ba76460bbb29a86530bb855fbd2ffaa
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SHA256
3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
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SHA512
a33c985efd651dce9dcfcb84285485a01fa39c74ee593b1e68be83ebf8b8b29a1e7807e7b54f691b0c9db24bddc15a5bc6d376dfc8cb8994c2e5b754639e4039
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SSDEEP
98304:qya3O/DHkwdl/y8cTN9fyocxA8NMCfMUdkiwD42XN:qya3O/1cTNRyvu2kiwDNX
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
e0daf3617f84af41981769a31ed23565
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SHA1
e366c1340ba76460bbb29a86530bb855fbd2ffaa
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SHA256
3a312ae4537c6311d8d2a395f3ce7b1b7ba74280b84069c800ca9f81efa23eec
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SHA512
a33c985efd651dce9dcfcb84285485a01fa39c74ee593b1e68be83ebf8b8b29a1e7807e7b54f691b0c9db24bddc15a5bc6d376dfc8cb8994c2e5b754639e4039
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SSDEEP
98304:qya3O/DHkwdl/y8cTN9fyocxA8NMCfMUdkiwD42XN:qya3O/1cTNRyvu2kiwDNX
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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