netwire | f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc

Analysis

max time kernel
182s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2022 14:36

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General

Target

f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe
Size

107KB
MD5

495b49be64ba6e4ec61e59f19452f742
SHA1

2e009db6de52b827dca5606943273ed83766e319
SHA256

f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc
SHA512

19f808f556d0f005c2c52c9f72f0d6cd4cc25cf444f5d7766a100c38b4ba522d93cef096a4cfe4152d2f6fa5865f092b0c8be745e49c6ec387b910d63f2a2c16

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Extracted

Family

netwire

185.244.31.121:3360

Attributes

activex_autorun
true
activex_key
{YC1DAUL1-27T5-3N33-762X-LXX2WK32348E}
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
mutex
ubUMwKnK
offline_keylogger
true
password
Password
registry_autorun
true
startup_name
Windows Defender
use_mutex
true

Signatures

NetWire RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Install\Host.exe	netwire
C:\Users\Admin\AppData\Roaming\Install\Host.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:

Host.exe

pid process

4512 Host.exe

pid	process
4512	Host.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Host.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{YC1DAUL1-27T5-3N33-762X-LXX2WK32348E}	Host.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{YC1DAUL1-27T5-3N33-762X-LXX2WK32348E}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe\""	Host.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:

f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Host.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	Host.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe"	Host.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 2 IoCs

Processes:

f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe

description	pid	process	target process
PID 3816 wrote to memory of 4512	3816	f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe	Host.exe
PID 3816 wrote to memory of 4512	3816	f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe	Host.exe

C:\Users\Admin\AppData\Local\Temp\f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe
"C:\Users\Admin\AppData\Local\Temp\f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3816

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
2⤵
- Executes dropped EXE
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:4512

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\Install\Host.exe

Filesize
107KB

MD5
495b49be64ba6e4ec61e59f19452f742

SHA1
2e009db6de52b827dca5606943273ed83766e319

SHA256
f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc

SHA512
19f808f556d0f005c2c52c9f72f0d6cd4cc25cf444f5d7766a100c38b4ba522d93cef096a4cfe4152d2f6fa5865f092b0c8be745e49c6ec387b910d63f2a2c16

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
107KB

MD5
495b49be64ba6e4ec61e59f19452f742

SHA1
2e009db6de52b827dca5606943273ed83766e319

SHA256
f079a324006348abf71921ff1ab0ed051b03c35109b6cb61e54e432c93b8fffc

SHA512
19f808f556d0f005c2c52c9f72f0d6cd4cc25cf444f5d7766a100c38b4ba522d93cef096a4cfe4152d2f6fa5865f092b0c8be745e49c6ec387b910d63f2a2c16

Download Submit
memory/4512-130-0x0000000000000000-mapping.dmp

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