8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84

General

Target

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
Size

1.2MB
MD5

6b6100ccf436d17e37e411fad99df5d0
SHA1

fd8075fb64dfffb4122241b9f8767e461d68962f
SHA256

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84
SHA512

26b252031a1bf8c59bc77ddf35840f7cf8a1f0816490c85e66fd78278d4f1351e7d39c7cee369394f6516035e3271999f6b8d1d8d42b1076c95103b82088ea95
SSDEEP

24576:Arx9KJ554X8lef7YDGJYzPN/nm8VysAls5xPEvZqI5dAdk:ArxScmGeAZvZqI0dk

Score

6^/10

bootkit persistence

Malware Config

Signatures

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

description	ioc	process
File opened (read-only)	\??\I:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\P:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\T:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\Y:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\Z:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\G:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\O:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\K:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\L:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\M:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\Q:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\R:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\V:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\H:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\J:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\N:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\S:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\U:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\W:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\X:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\E:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
File opened (read-only)	\??\F:	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

description ioc process

File opened for modification \??\PhysicalDrive0 8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

Runs net.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

pid process

2748 8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

pid	process
2748	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.execmd.exenet.exe

description	pid	process	target process
PID 2748 wrote to memory of 1204	2748	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe	cmd.exe
PID 2748 wrote to memory of 1204	2748	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe	cmd.exe
PID 2748 wrote to memory of 1204	2748	8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe	cmd.exe
PID 1204 wrote to memory of 1780	1204	cmd.exe	net.exe
PID 1204 wrote to memory of 1780	1204	cmd.exe	net.exe
PID 1204 wrote to memory of 1780	1204	cmd.exe	net.exe
PID 1780 wrote to memory of 856	1780	net.exe	net1.exe
PID 1780 wrote to memory of 856	1780	net.exe	net1.exe
PID 1780 wrote to memory of 856	1780	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe
"C:\Users\Admin\AppData\Local\Temp\8adc0676694b1abb5cc39150854584cd756d733db7914f5993361330eaa97e84.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748