chinese_generic_botnet | c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a

General

Target

c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
Size

540KB
MD5

21a3275904b3c7d160f42263fb32a80b
SHA1

419e01c3d6d6b90ca81d7a627a5719e32901e8f9
SHA256

c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a
SHA512

952cbb2a2a04ef6732fae271c75649cd664f12ccd0c7d1eda3bd45bc12080f8fe2aa56b6836901d8bcecd99a70df23b08aeaef8a26b0b116bda9436074a75be5
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/1092-0-0x0000000010000000-0x0000000010018000-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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmnurtw.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe"	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.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)	\??\E:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\H:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\I:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\N:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\S:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\G:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\J:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\K:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\M:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\O:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\R:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\V:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\X:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\Y:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\B:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\Q:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\T:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\Z:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\L:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\P:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\U:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
File opened (read-only)	\??\W:	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.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	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1092	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
1092	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1092	c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe

C:\Users\Admin\AppData\Local\Temp\c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
"C:\Users\Admin\AppData\Local\Temp\c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1092