Analysis
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max time kernel
91s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
15/06/2022, 05:39
Static task
static1
Behavioral task
behavioral1
Sample
rec/replay.dll
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
rec/replay.dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
rec/replay.lnk
Resource
win7-20220414-en
General
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Target
rec/replay.lnk
-
Size
1KB
-
MD5
4e543f7a1f8d9c3014623983c74c570f
-
SHA1
9d71a451a20f5c14fa97ce12f38e64e11576361b
-
SHA256
c0987d05cb86664e27d0f3cb7ed5142f38935e8ce7754cbe5e4525fdca480cdd
-
SHA512
c539f4694b59567c33754d92e74e7f56968abe5325efc12aba308f53fd19ea4901164326a003735335418f4ae9539fe9e03e1e54b72827dc9f38dfe463faa58d
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
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Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo rundll32.exe 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 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\FADT\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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation cmd.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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Wine rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe 3392 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4288 wrote to memory of 3392 4288 cmd.exe 81 PID 4288 wrote to memory of 3392 4288 cmd.exe 81
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\rec\replay.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" replay.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:3392
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