chinese_generic_botnet | 29b67786d8b98779be782b7212ab9feb95d6e41dbbdacbf00cb26cebc4011ae2

Analysis

max time kernel
141s
max time network
165s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
16-01-2023 08:32

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General

Target

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe
Size

362KB
MD5

99be0e637186d469b647525e9275ccfc
SHA1

83a797037fd4c10f1248387395cc039aa9f3c71b
SHA256

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180
SHA512

1477f8db399c74174379ff881f6dcd9148bf57ff29839c466259d4c17235254e66cfd0410e5d0d79304a1a4f8352910d64a4f1446f7ed9cd5ceccd285ed265d5
SSDEEP

3072:N8jSZi34eTzl5KV2GenT0cTtm2LAQSXVqjzpYfJhrI:quZ5eg2GenQ67wk3pyJhrI

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

Processes:

resource	yara_rule
behavioral1/memory/1716-56-0x0000000010000000-0x0000000010018000-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:

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\system.exe"	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

Drops file in Windows directory 2 IoCs

Processes:

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

description	ioc	process
File created	C:\Windows\system.exe	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe
File opened for modification	C:\Windows\system.exe	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

pid process

1716 1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

pid	process
1716	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe

description	pid	process	target process
PID 1716 wrote to memory of 2040	1716	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe	cmd.exe
PID 1716 wrote to memory of 2040	1716	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe	cmd.exe
PID 1716 wrote to memory of 2040	1716	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe	cmd.exe
PID 1716 wrote to memory of 2040	1716	1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe
"C:\Users\Admin\AppData\Local\Temp\1d0e642944902e1e597158a6029e56ccc7fd2877ec27aec420ff81b20c1fd180.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c md C:\windowss64
2⤵
PID:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1716-54-0x0000000075E01000-0x0000000075E03000-memory.dmp

Filesize
8KB

Download
memory/1716-56-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2040-55-0x0000000000000000-mapping.dmp

Download