chinese_generic_botnet | 4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56

General

Target

4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
Size

540KB
MD5

ee408b555f711d4b38b7dc41edffc5bb
SHA1

87950bd92529e5344e50078d698bc22f8d36e5da
SHA256

4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56
SHA512

1e11cbbd3ca243534bd5d93971ea7e6de6da1b26e11a83195e6abc955ef51ae5eafacd88cf99e6b612a25a33c1d253cdc73c644d097128996ba3c9d41fc2a4cd
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/2416-0-0x0000000010000000-0x0000000010018000-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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmnurtw.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe"	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.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)	\??\M:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\O:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\P:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\Q:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\Z:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\J:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\L:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\N:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\S:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\Y:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\H:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\R:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\U:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\V:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\X:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\T:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\W:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\B:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\E:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\G:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\I:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
File opened (read-only)	\??\K:	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.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	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2416	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
2416	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2416	4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe

C:\Users\Admin\AppData\Local\Temp\4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe
"C:\Users\Admin\AppData\Local\Temp\4504c2f50f828ce0bf82bb3cb0262273b015a49cec4957fe2f108f2df1742f56.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2416