netwire | 69bf0ef8f8c709088f0419cbf424fbba4c0b35d12af2e909718614618c0ce435

General

Target

Host.bin.exe
Size

160KB
MD5

cf67f5a6456cb27efb88ec441c1b121b
SHA1

8bf4c0a06df97dba8ced5fdb504982c365044597
SHA256

f54b2f764ed7112c3a11adf056a54b8646f23093fbc52ce0e07a184f5dd69fcc
SHA512

117f55a6a3d5be6c186d71ff03064cde75d31f0859957b821d6de98b4208c24fc13aadfe60e2fe5f721360d7aff5451d016c38ef04592124af40baeb2333d8f7

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Extracted

Family

netwire

C2

82.156.233.85:80

Attributes

activex_autorun
false
activex_key
copy_executable
true
delete_original
true
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
lock_executable
true
mutex
offline_keylogger
false
password
bupt
registry_autorun
true
startup_name
NetWire
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

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

1100 Host.exe
Loads dropped DLL 2 IoCs

Processes:

Host.bin.exe

pid process

1652 Host.bin.exe
1652 Host.bin.exe

pid	process
1100	Host.exe

pid	process
1652	Host.bin.exe
1652	Host.bin.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-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	Host.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "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 4 IoCs

Processes:

Host.bin.exe

description	pid	process	target process
PID 1652 wrote to memory of 1100	1652	Host.bin.exe	Host.exe
PID 1652 wrote to memory of 1100	1652	Host.bin.exe	Host.exe
PID 1652 wrote to memory of 1100	1652	Host.bin.exe	Host.exe
PID 1652 wrote to memory of 1100	1652	Host.bin.exe	Host.exe

C:\Users\Admin\AppData\Local\Temp\Host.bin.exe
"C:\Users\Admin\AppData\Local\Temp\Host.bin.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe" -m "C:\Users\Admin\AppData\Local\Temp\Host.bin.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Install\Host.exe
MD5
cf67f5a6456cb27efb88ec441c1b121b

SHA1
8bf4c0a06df97dba8ced5fdb504982c365044597

SHA256
f54b2f764ed7112c3a11adf056a54b8646f23093fbc52ce0e07a184f5dd69fcc

SHA512
117f55a6a3d5be6c186d71ff03064cde75d31f0859957b821d6de98b4208c24fc13aadfe60e2fe5f721360d7aff5451d016c38ef04592124af40baeb2333d8f7

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe
MD5
cf67f5a6456cb27efb88ec441c1b121b

SHA1
8bf4c0a06df97dba8ced5fdb504982c365044597

SHA256
f54b2f764ed7112c3a11adf056a54b8646f23093fbc52ce0e07a184f5dd69fcc

SHA512
117f55a6a3d5be6c186d71ff03064cde75d31f0859957b821d6de98b4208c24fc13aadfe60e2fe5f721360d7aff5451d016c38ef04592124af40baeb2333d8f7

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe
MD5
cf67f5a6456cb27efb88ec441c1b121b

SHA1
8bf4c0a06df97dba8ced5fdb504982c365044597

SHA256
f54b2f764ed7112c3a11adf056a54b8646f23093fbc52ce0e07a184f5dd69fcc

SHA512
117f55a6a3d5be6c186d71ff03064cde75d31f0859957b821d6de98b4208c24fc13aadfe60e2fe5f721360d7aff5451d016c38ef04592124af40baeb2333d8f7

Download Submit
memory/1100-62-0x0000000000000000-mapping.dmp

Download
memory/1652-59-0x0000000075411000-0x0000000075413000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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