chinese_generic_botnet | 18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2023 19:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

tmp.exe
Size

872KB
MD5

d156b1ffd7d387927ee88491a26ccae6
SHA1

15764f67963a0e70f2b310510b95021d7e4aa27d
SHA256

18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679
SHA512

0c213b94f86e49dfad8aed263ef11f5c24b9597591ae7f37b6451f513c1451f603c27676e547809976f636c86d2650fe12c988cdf2cea5ee6843612583ade283
SSDEEP

24576:8gC7+maMAjAERQqMHwfVh7OrvgE+FarjUyHWuXki:UihMHwfVhagE3RWuXki

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 2 IoCs

botnet

Processes:

resource	yara_rule
behavioral2/memory/4600-1486-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet
behavioral2/memory/4600-1489-0x0000000000400000-0x0000000000527000-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

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msemswe.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp.exe"	tmp.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

Processes:

tmp.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 38 IoCs

Processes:

tmp.exe

pid	process
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe
4600	tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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:

tmp.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

4600 tmp.exe
4600 tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4600-132-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-133-0x0000000077CC0000-0x0000000077E63000-memory.dmp

Filesize
1.6MB

Download
memory/4600-134-0x0000000077710000-0x0000000077925000-memory.dmp

Filesize
2.1MB

Download
memory/4600-136-0x0000000075E70000-0x0000000076010000-memory.dmp

Filesize
1.6MB

Download
memory/4600-137-0x0000000076FF0000-0x000000007706A000-memory.dmp

Filesize
488KB

Download
memory/4600-1479-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1480-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1481-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1482-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1484-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1485-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4600-1486-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/4600-1489-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download