chinese_generic_botnet | e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987

General

Target

e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
Size

552KB
MD5

da99fa51ef84d3cdd87b608ee83688d5
SHA1

5e8f6d9e907f992ee6ad4812d9b7db3664734069
SHA256

e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987
SHA512

4c7921434db803d98502d3f3e9e2843ff918c5a4a77f3cded52b8c3abc84f7b82f3cf303a8397a83782ab14c1bf3a91867b1e2f5c5018249baa91cb0abfe4700
SSDEEP

3072:r5OsiQ79xzUcbK9LK/fzuaCrutJUDpRfmm5yqiXO+Zoy/6EIP:t7hoBO/fzxUpFmkgXO+T/6E

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/396-0-0x0000000010000000-0x0000000010018000-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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmnurtw.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe"	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.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)	\??\P:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\X:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\K:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\N:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\L:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\R:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\B:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\G:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\J:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\M:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\U:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\V:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\E:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\H:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\Q:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\S:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\T:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\W:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\Y:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\Z:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\I:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
File opened (read-only)	\??\O:	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
396	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
396	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
396	e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe

C:\Users\Admin\AppData\Local\Temp\e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe
"C:\Users\Admin\AppData\Local\Temp\e3a9ecfb567ddc6d3210f74048c0908adb4fac931e99d1db28e5268df52e1987.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:396