Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
14/06/2022, 18:26
Static task
static1
Behavioral task
behavioral1
Sample
PRD.lnk
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral2
Sample
PRD.lnk
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral3
Sample
install.bat
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral4
Sample
install.bat
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral5
Sample
rec.dll
Resource
win7-20220414-en
windows7_x64
General
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Target
install.bat
-
Size
33B
-
MD5
7eb1c4dd9c71972cfb9f97a84393095c
-
SHA1
e88433f7d787f119ae28a7b30263372462388344
-
SHA256
b9761b63f5538662fba077ef05a16594fec5cf7ee9ec350e9c1b504fcc9ff438
-
SHA512
72c2d50ebea8b4c9d2700d39d1ba7adae8c4f90678080c557d1d39ba1deb79553105c44e61318b0df0e0f66d10d19226536096e98cf2219891a2aadb91a8f021
Malware Config
Extracted
bumblebee
146a
12.236.242.155:211
243.92.11.201:387
182.10.38.85:198
117.75.94.181:456
148.70.67.206:267
247.23.37.74:155
122.247.231.47:117
45.142.214.167:443
171.227.174.67:108
204.1.81.223:110
145.239.28.110:443
170.24.243.46:441
69.235.89.243:366
4.165.175.212:387
76.96.116.176:190
128.44.54.202:493
103.175.16.106:443
40.72.17.141:326
146.19.173.186:443
51.68.145.54:443
115.200.5.214:467
24.57.185.167:317
134.247.186.104:233
104.124.14.244:197
29.64.0.111:122
185.62.57.27:443
2.211.111.213:125
89.52.115.119:444
105.137.48.127:156
192.107.100.31:298
211.22.161.225:196
172.117.69.12:366
20.150.149.28:415
67.194.32.32:367
193.233.203.243:443
45.147.231.202:443
112.143.55.233:256
177.96.182.180:213
187.247.16.193:308
207.90.225.187:369
243.91.103.106:246
77.49.189.77:103
45.84.0.13:443
57.132.248.83:391
78.202.137.116:271
201.249.37.165:420
66.160.230.114:370
13.218.205.215:309
192.205.3.12:235
Signatures
-
Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo rundll32.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ rundll32.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions rundll32.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe -
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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe 3744 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3744 2772 cmd.exe 82 PID 2772 wrote to memory of 3744 2772 cmd.exe 82
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\install.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\system32\rundll32.exerundll32 rec.dll,ScdHrYnuuU2⤵
- 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 behavior: EnumeratesProcesses
PID:3744
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