chinese_generic_botnet | 54bdd7cde3d82c535b46597a7a50553486c6b0819052e06581c6e1e7adcc16a0

Analysis

max time kernel
77s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2022 22:15

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General

Target

tmp.exe
Size

636KB
MD5

0fab0a23b1160d6936344a55cfbd5a1f
SHA1

1990e4a01bf0690e62f3494067a92befcae34df9
SHA256

54bdd7cde3d82c535b46597a7a50553486c6b0819052e06581c6e1e7adcc16a0
SHA512

06ac9db559b6dbb07fc644f21703fa8dcb499dd2040c87f80da49304ac5bb4b8c988281625eb547f5216575542c4a661c016f96c88252131028ca85341a9f27f
SSDEEP

12288:zk/60kgewgtQL5BKM2S5ae12A/HoFN6WtljaElIaY:zWlcw2QlBiSxZ/HoFN6WtljaEyaY

Score

10^/10

chinese_generic_botnet botnet

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/4340-144-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet
behavioral2/memory/4340-147-0x0000000000400000-0x000000000055E000-memory.dmp	unk_chinese_botnet

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

4340 tmp.exe
4340 tmp.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

4340 tmp.exe

pid	process
4340	tmp.exe
4340	tmp.exe

pid	process
4340	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4340-132-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-133-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-134-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-136-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-138-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-140-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-141-0x0000000002290000-0x00000000022CE000-memory.dmp

Filesize
248KB

Download
memory/4340-142-0x0000000002360000-0x0000000002363000-memory.dmp

Filesize
12KB

Download
memory/4340-143-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/4340-144-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/4340-147-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4340-148-0x0000000002290000-0x00000000022CE000-memory.dmp

Filesize
248KB

Download