Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
09-05-2024 09:44
General
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Target
2024-05-09_18c0d4d076dcf852682a1e928ea6fd20_ryuk.exe
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Size
1.4MB
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MD5
18c0d4d076dcf852682a1e928ea6fd20
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SHA1
d728085c03e3586ac11b558b59872b440d01c544
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SHA256
8a1a0b4872c74737fa67fd233e4a2546412c4a442ebd04022e680cb37b7aedac
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SHA512
a17e02991f7edca6ac477dba336d9c32acf03238eca23d1df31ab6cdb03fb976fb1a20c526cc06a94c9b3fd7a853232943bcdf11d77414e9058493d73ab865b0
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SSDEEP
24576:dQTkuS3lgPzjmR4JcIn652Y0/oHTTvN718HGO8YIH5A70HQq8lJ2Wd:dQopEPmRpIn652Y0M528YC5dHSlJv
Malware Config
Extracted
bumblebee
asd1234
Signatures
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BumbleBee
BumbleBee is a loader malware written in C++.
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Detects executables referencing combination of virtualization drivers 3 IoCs
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Detects executables referencing virtualization MAC addresses 3 IoCs
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Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Checks system information in the registry 2 TTPs 2 IoCs
System information is often read in order to detect sandboxing environments.
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Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 32 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-09_18c0d4d076dcf852682a1e928ea6fd20_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_18c0d4d076dcf852682a1e928ea6fd20_ryuk.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks system information in the registry
- Checks for VirtualBox DLLs, possible anti-VM trick
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1020KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB