chinese_generic_botnet | f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9

General

Target

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
Size

3.3MB
MD5

0d3bbd53d76c3b625da39c50fb00ea30
SHA1

2c919e370cf9166b91f3d586a1618df24a349d7c
SHA256

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9
SHA512

bd919245623db347895af691c8d7705740aa39e9c44a634aa9c8f9918125de46c955cc69397a9caf84203a033750d4443552f08e64bc74305111bed339b07168
SSDEEP

49152:t/3Uxi03zDWi26fs2cWDAbcl7jkv4+9Ry4kjCz:t/ET0uDhEv4n4M

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

Processes:

resource	yara_rule
behavioral2/memory/5052-0-0x0000000010000000-0x000000001001F000-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

Processes:

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bkcphfl.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe"	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.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

Processes:

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

description	ioc	process
File opened (read-only)	\??\M:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\O:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\P:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\R:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\W:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\Y:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\G:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\K:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\Q:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\U:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\H:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\L:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\N:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\S:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\T:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\Z:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\E:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\I:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\J:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\V:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\X:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
File opened (read-only)	\??\B:	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.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:

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

pid	process
5052	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
5052	f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

pid process

5052 f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

C:\Users\Admin\AppData\Local\Temp\f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
"C:\Users\Admin\AppData\Local\Temp\f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5052