Analysis
- max time kernel
185s - max time network
183s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
01/06/2022, 16:35
General
- Target lipes.dll
- Size 1.5MB
- Sample220601-t3ng6aebck
- SHA256 a27dfea07887442cd18f7f52d3f28994e9b93631a998fe254a8bc654fad94b4e
Score
10/10
Malware Config
Extracted
Family
-
bumblebee
Botnet
-
106r
C2
-
144.19.20.11:443
-
150.27.81.2:443
-
46.21.153.145:443
-
109.45.29.202:443
-
6.30.139.246:443
-
236.110.58.103:443
-
36.110.58.103:443
-
149.255.35.134:443
-
9.63.15.101:443
-
45.147.229.50:443
-
184.23.74.168:443
-
139.24.56.111:443
-
243.45.135.100:443
-
21.246.85.34:443
-
79.44.167.23:443
-
30.17.4.146:443
-
56.134.87.45:443
-
16.46.4.333:443
-
224.145.6.33:443
rc4.plain
Signatures
- BumbleBee
BumbleBee is a webshell malware written in C++.
- Enumerates VirtualBox registry keys 2 TTPs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lipes.dll,#11⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/636-130-0x000001A5524C0000-0x000001A5525D7000-memory.dmp
memory/636-131-0x00007FFC8DEA0000-0x00007FFC8DEB0000-memory.dmp