chinese_generic_botnet | 9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822

General

Target

9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
Size

542KB
MD5

d23b1d1384a80398213687314fdf4c8d
SHA1

c8acb6532ea07f31f95715f1980d0b2e7ed78acf
SHA256

9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822
SHA512

f5d48875ae5cc3fee3bffa3fd579e8927623eff9b02bffc01ec3d6b87cf9e4dea17e4d3b718849f774826659819bfebc6e0aab74cccd9697bd111b5b5b3ccd01
SSDEEP

3072:A5OsiQ79xzUcbK9LK/fzuaCrutJUDpRfmm5yqiXO+Zoy/6ESh0Jz5OdRSud:G7hoBO/fzxUpFmkgXO+T/6EJJNaSQ

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/3468-0-0x0000000010000000-0x0000000010018000-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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmnurtw.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe"	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.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:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\G:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\L:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\R:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\Z:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\O:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\Y:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\B:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\I:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\S:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\U:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\V:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\W:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\Q:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\T:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\H:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\J:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\K:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\M:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\N:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\P:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
File opened (read-only)	\??\X:	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.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	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3468	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
3468	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3468	9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe

C:\Users\Admin\AppData\Local\Temp\9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
"C:\Users\Admin\AppData\Local\Temp\9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3468