netwire | 72c15ab989fb449e62d6a560bdad1c9c39d61c21345322b8c1331235adf484a7

Analysis

max time kernel
125s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2022 12:45

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General

Target

0x000b0000000122e2-58.exe
Size

227KB
MD5

fc6330d62ae89347dddf9e98d6dc2533
SHA1

b2a3104e8178e25b6b40cf8b19d60c1a4e03e969
SHA256

72c15ab989fb449e62d6a560bdad1c9c39d61c21345322b8c1331235adf484a7
SHA512

1cf0e356a72a525b585533adab9c2abe1cfef9127ef96fedefe840bf33248bb85752fd92ca447cc6ac2b0654b497c07e3e3d0f0e064958f0f17b3e79424d6a4c

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Signatures

NetWire RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe	netwire
C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire
Executes dropped EXE 1 IoCs

Processes:

Notepad.exe

pid process

4880 Notepad.exe

pid	process
4880	Notepad.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0x000b0000000122e2-58.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	0x000b0000000122e2-58.exe

Drops startup file 1 IoCs

Processes:

Notepad.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Note.lnk Notepad.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Note.lnk	Notepad.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Notepad.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	Notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\£2ëUíaÊ—KåL¦K®¨æ = "C:\\Users\\Admin\\AppData\\Roaming\\Googlee\\Notepad.exe"	Notepad.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0x000b0000000122e2-58.exe

description	pid	process	target process
PID 3456 wrote to memory of 4880	3456	0x000b0000000122e2-58.exe	Notepad.exe
PID 3456 wrote to memory of 4880	3456	0x000b0000000122e2-58.exe	Notepad.exe
PID 3456 wrote to memory of 4880	3456	0x000b0000000122e2-58.exe	Notepad.exe

C:\Users\Admin\AppData\Local\Temp\0x000b0000000122e2-58.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b0000000122e2-58.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3456

C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe
"C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
PID:4880

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe

Filesize
227KB

MD5
fc6330d62ae89347dddf9e98d6dc2533

SHA1
b2a3104e8178e25b6b40cf8b19d60c1a4e03e969

SHA256
72c15ab989fb449e62d6a560bdad1c9c39d61c21345322b8c1331235adf484a7

SHA512
1cf0e356a72a525b585533adab9c2abe1cfef9127ef96fedefe840bf33248bb85752fd92ca447cc6ac2b0654b497c07e3e3d0f0e064958f0f17b3e79424d6a4c

Download Submit
C:\Users\Admin\AppData\Roaming\Googlee\Notepad.exe

Filesize
227KB

MD5
fc6330d62ae89347dddf9e98d6dc2533

SHA1
b2a3104e8178e25b6b40cf8b19d60c1a4e03e969

SHA256
72c15ab989fb449e62d6a560bdad1c9c39d61c21345322b8c1331235adf484a7

SHA512
1cf0e356a72a525b585533adab9c2abe1cfef9127ef96fedefe840bf33248bb85752fd92ca447cc6ac2b0654b497c07e3e3d0f0e064958f0f17b3e79424d6a4c

Download Submit
memory/4880-130-0x0000000000000000-mapping.dmp

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