chinese_generic_botnet | 4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c

General

Target

4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
Size

564KB
MD5

6fb8c809e635fbc46adad84e9c78415a
SHA1

f884cc366990915da0d9681d73622070f616bc39
SHA256

4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c
SHA512

b07c94fe006f65bc984cce1d55d217a1beadc97d5554365f81e91143b3901436308e4e2b57f772e6c554124ba1b3e46e0d7c9ae2db678478f2b8478653a67eb3

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/4456-130-0x0000000010000000-0x0000000010017000-memory.dmp	unk_chinese_botnet

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pmumejm.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe"	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe

Enumerates connected drives 3 TTPs 23 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)	\??\E:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\M:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\Q:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\X:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\F:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\H:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\R:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\T:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\V:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\W:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\Y:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\B:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\P:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\S:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\U:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\L:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\N:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\O:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\Z:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\G:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\I:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\J:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
File opened (read-only)	\??\K:	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.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	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
4456	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4456	4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe

C:\Users\Admin\AppData\Local\Temp\4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe
"C:\Users\Admin\AppData\Local\Temp\4c0a663f8e4ef5bf257dbf1f38174a74828151382d1d9918d629fbae04263a0c.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4456