Analysis
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max time kernel
131s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22/12/2024, 11:27
General
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Target
bb.dll
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Size
2.0MB
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MD5
5dc6a6789108ac4e667ce24142da1d35
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SHA1
660db375094ffef61406b9867528a96861b323e0
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SHA256
487dfd12574da32277b18f9ccf3f4143bf676e3560cec909d44db957b1b37670
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SHA512
b50af80effc8724690c63ce97798792129994e6fba95d7528ebb43aeaa4996938e4cf781135b0340c6b970f36eb3e53c186abf442494bf5b02478a39fe3125a7
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SSDEEP
49152:7WUC0sDBCKCyRf0C3yXGrlz7WHdUcZOiND:7W0sDBCKCyRf0C3y+cZv
Malware Config
Extracted
bumblebee
276a
146.70.106.52:443
65.72.191.77:443
103.175.16.116:443
185.62.58.175:443
209.141.58.141:443
154.56.0.112:443
Signatures
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BumbleBee
BumbleBee is a loader malware written in C++.
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Bumblebee family
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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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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 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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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bb.dll1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
-
Filesize
1.1MB
-
Filesize
1.1MB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
1.1MB
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Filesize
1.1MB