Malware Analysis Report

2024-10-19 10:24

Sample ID 240904-g89w5axcke
Target cedc7e792cca858e878e0275a8d94730N.exe
SHA256 557753efc0e16d19a0e07c70f5cd70f0c63967eba8373e07e2c5583ff5b68dc7
Tags
netwire botnet discovery persistence rat stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

557753efc0e16d19a0e07c70f5cd70f0c63967eba8373e07e2c5583ff5b68dc7

Threat Level: Known bad

The file cedc7e792cca858e878e0275a8d94730N.exe was found to be: Known bad.

Malicious Activity Summary

netwire botnet discovery persistence rat stealer

Netwire family

NetWire RAT payload

Netwire

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 06:29

Signatures

NetWire RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Netwire family

netwire

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 06:29

Reported

2024-09-04 06:31

Platform

win7-20240729-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

Signatures

NetWire RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Netwire

botnet stealer netwire

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\svchost.exe" C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe

"C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

C:\Users\Admin\AppData\Roaming\Install\svchost.exe

"C:\Users\Admin\AppData\Roaming\Install\svchost.exe" -m "C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

Network

Country Destination Domain Proto
HK 45.64.53.236:3360 tcp
US 8.8.8.8:53 logins.fofa360.com udp
HK 45.64.53.236:3360 tcp

Files

\Users\Admin\AppData\Roaming\Install\svchost.exe

MD5 cedc7e792cca858e878e0275a8d94730
SHA1 7a6f2972071c1acea8f9d55dd86b2f6eacbe8813
SHA256 557753efc0e16d19a0e07c70f5cd70f0c63967eba8373e07e2c5583ff5b68dc7
SHA512 8d977e652c111f4d5cb15f1664e3a30a61d4a63cc6b8e9b90739d8d3bcb56e715ce57032f694d362d214e9962e0fea5cc7746c1edfb69c31df6cd435b3ac3a8f

memory/2652-8-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2788-10-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2788-12-0x0000000000400000-0x0000000000433000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 06:29

Reported

2024-09-04 06:31

Platform

win10v2004-20240802-en

Max time kernel

111s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

Signatures

NetWire RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Netwire

botnet stealer netwire

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\svchost.exe" C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Install\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe

"C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

C:\Users\Admin\AppData\Roaming\Install\svchost.exe

"C:\Users\Admin\AppData\Roaming\Install\svchost.exe" -m "C:\Users\Admin\AppData\Local\Temp\cedc7e792cca858e878e0275a8d94730N.exe"

Network

Country Destination Domain Proto
HK 45.64.53.236:3360 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 logins.fofa360.com udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
HK 45.64.53.236:3360 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Roaming\Install\svchost.exe

MD5 cedc7e792cca858e878e0275a8d94730
SHA1 7a6f2972071c1acea8f9d55dd86b2f6eacbe8813
SHA256 557753efc0e16d19a0e07c70f5cd70f0c63967eba8373e07e2c5583ff5b68dc7
SHA512 8d977e652c111f4d5cb15f1664e3a30a61d4a63cc6b8e9b90739d8d3bcb56e715ce57032f694d362d214e9962e0fea5cc7746c1edfb69c31df6cd435b3ac3a8f

memory/3668-8-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3596-9-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3596-11-0x0000000000400000-0x0000000000433000-memory.dmp