Analysis
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max time kernel
134s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-12-2024 01:41
General
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Target
7aa5af5ee7a10b31309807e9f72ef711cbf2864c17d943ded85ca439b6106ea4.dll
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Size
1.4MB
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MD5
bfae0c9a0e0f0dd88051aaa8eb2faedf
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SHA1
40fde1f9090fce8ef1c27865ff44d33e47fa9c74
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SHA256
7aa5af5ee7a10b31309807e9f72ef711cbf2864c17d943ded85ca439b6106ea4
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SHA512
df846c0ab7cffc8d65edff807c095b785220b1cfd6244940744222c0b5cf05c4be6248cc172165fbe7c00f0b72dbf6be587fb762fdd9779ba022f0639a62f5dc
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SSDEEP
24576:yF8n2LaxtDT0rYOA+nB64XaTL7AXC6r/rHZwNkirBTCGCo:yF8vT2YD+s4XaTL7U/H2NrRfCo
Malware Config
Extracted
bumblebee
306f
209.141.46.50:443
146.19.173.155:443
27.183.95.15:443
54.38.138.94:443
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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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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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\7aa5af5ee7a10b31309807e9f72ef711cbf2864c17d943ded85ca439b6106ea4.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
- Suspicious use of NtCreateThreadExHideFromDebugger
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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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
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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
4KB
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Filesize
2.0MB
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Filesize
1.1MB
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Filesize
1.1MB