chinese_generic_botnet | 853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b

General

Target

853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
Size

540KB
MD5

4b20ca8cb15b366eb3b6fb7180d63ebd
SHA1

fe12329ef1885f7df987526965b60f67ef98e020
SHA256

853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b
SHA512

6757c22f14b0758feb5362e2d28fa1ae0fda24fc0428015b4c5b2e1100ab8c61fd2e62a0e2a966fb62eb50876c6b92396892bfa0671c3bd1adcf44dd646b30ae
SSDEEP

3072:A5OsiQ79xzUcbK9LK/fzuaCrutJUDpRfmm5yqiXO+Zoy/6ESh0Jz5OdRSu:G7hoBO/fzxUpFmkgXO+T/6EJJNaS

Score

10^/10

chinese_generic_botnet botnet persistence

Malware Config

Signatures

Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet

Chinese Botnet payload 1 IoCs

botnet

resource	yara_rule
behavioral2/memory/2836-0-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmnurtw.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe"	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe

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

description	ioc	Process
File opened (read-only)	\??\V:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\W:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\X:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\L:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\M:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\N:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\P:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\U:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\Y:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\G:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\H:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\I:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\K:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\T:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\S:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\E:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\J:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\O:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\Q:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\R:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\B:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
File opened (read-only)	\??\Z:	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2836	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
2836	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2836	853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe

C:\Users\Admin\AppData\Local\Temp\853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe
"C:\Users\Admin\AppData\Local\Temp\853760fe247c9d7b9603d4b48b3d8651a1abf4e3e8566684d888110d1e57300b.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2836