netwire | 423927640b464a7d3ecbe5e923f42f0808f38f35bf47c3134ef5bf4581821b98

General

Target

4.vbs
Size

2KB
MD5

7eb0c3e8d56bd16f621cf7cb7b28043c
SHA1

906d0a06d1274c9e1805ccffa9119f1ddfc9bac9
SHA256

423927640b464a7d3ecbe5e923f42f0808f38f35bf47c3134ef5bf4581821b98
SHA512

3071cfaabcf59ccde2e036a16ccf01a422f551fbb7144e33a4eb7b2f845a5522a3ef9720bb2670b718f968c1bbe044fe99893dabf1cad753b6cc94e379e59646

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://ia601409.us.archive.org/32/items/bypass1sd/bypass1sd.TXT

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://ia601503.us.archive.org/32/items/Serverne/Serverne.txt

Extracted

Family

netwire

C2

185.19.85.172:1723

Attributes

activex_autorun
false
activex_key
copy_executable
false
delete_original
false
host_id
HostId-%Rand%
install_path
keylogger_dir
%AppData%\Logs\
lock_executable
false
mutex
offline_keylogger
true
password
Password
registry_autorun
false
startup_name
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2252-174-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/2252-175-0x000000000040242D-mapping.dmp	netwire
behavioral2/memory/2252-179-0x0000000000400000-0x0000000000433000-memory.dmp	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
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exepowershell.exe

flow pid process

6 1708 powershell.exe
15 232 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 232 set thread context of 2252 232 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

powershell.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings powershell.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe

pid process

1708 powershell.exe
1708 powershell.exe
1708 powershell.exe
232 powershell.exe
232 powershell.exe
232 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1708 powershell.exe
Token: SeDebugPrivilege 232 powershell.exe

flow	pid	process
6	1708	powershell.exe
15	232	powershell.exe

description	pid	process	target process
PID 232 set thread context of 2252	232	powershell.exe	aspnet_compiler.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	powershell.exe

pid	process
1708	powershell.exe
1708	powershell.exe
1708	powershell.exe
232	powershell.exe
232	powershell.exe
232	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	232	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

WScript.exepowershell.exeWScript.exepowershell.exe

description	pid	process	target process
PID 528 wrote to memory of 1708	528	WScript.exe	powershell.exe
PID 528 wrote to memory of 1708	528	WScript.exe	powershell.exe
PID 1708 wrote to memory of 528	1708	powershell.exe	WScript.exe
PID 1708 wrote to memory of 528	1708	powershell.exe	WScript.exe
PID 528 wrote to memory of 232	528	WScript.exe	powershell.exe
PID 528 wrote to memory of 232	528	WScript.exe	powershell.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe
PID 232 wrote to memory of 2252	232	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass &'C:\Users\Public\Downloads\Run.ps1'
2⤵
- Blocklisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Run\.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass &'C:\Users\Public\.ps1'
4⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
5⤵
PID:2252

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
ea6243fdb2bfcca2211884b0a21a0afc

SHA1
2eee5232ca6acc33c3e7de03900e890f4adf0f2f

SHA256
5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8

SHA512
189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
3b59d2a41cac2403e67794129031dc52

SHA1
e261687f59b587ff557543509c2c12713b03772d

SHA256
f9a1b16823929190e1fe551dfe8fb812a0b7faf0d70d60af0c363dd1ceedab3c

SHA512
6040f57fc2e996ff58b10cd43b16236e78afa8fb83624563e5986fdf3fda3b4b92e5628d2af8ceea5440ce4b2147fc5ff47787e3edd37b199a394d6509a0fc9b

Download Submit
C:\Users\Public\.ps1
MD5
49ed3a79ad1d1fd9a62d213f4a97f3a7

SHA1
b03c6b1b5936f6600e346e4e94d0e164e72dbedc

SHA256
12a00f0af753d217cf68a32e549304bf6df86414b6a5b47a37b44cd91f36fe11

SHA512
a26632debef68c8db7efd48650c72cbef16b7fba3760490dffd7f0c03aa7331a48f00d6d30ac89126a6f42cfe2d53e6c6ec08a3cee9ee8d4cab47790cc9b824f

Download Submit
C:\Users\Public\Downloads\Run.ps1
MD5
40d30e0b7df0d993a4ccd0b89c77f3fe

SHA1
20229279d9d1b3d38da9f23b3969036747ecb741

SHA256
91224a3d13c8ff4be2f2150a9751f82fb6dd3797851537e449447aaad0788c81

SHA512
1ba11344b63642f41cd418fa31f3b7984a1a7712392a5b3951838d0e3b8d75955bf2a2e27cc20b01e1c5ad632cd8dc66b91a15b9f19a703b42bf72741f4a0805

Download Submit
C:\Users\Public\Run\.vbs
MD5
17ebb4c06e80f056a5ac11aaa2b1010c

SHA1
d3421c4cd4b204583068996c1849188238a6cd22

SHA256
a05ef5de2d8063812442ec091bcef0d33e66d94ca54feb8744038552e1284489

SHA512
d9f9412d65d1ffee143fb9395a33569c66817940636c89e07f00099e0ce1d8b3d866438cb59641b16d7f9aa628be5e0c2b4264899b87cbb2a88abdf691759401

Download Submit
memory/232-165-0x000002B9DCF20000-0x000002B9DCF22000-memory.dmp

Filesize
8KB

Download
memory/232-166-0x000002B9DCF23000-0x000002B9DCF25000-memory.dmp

Filesize
8KB

Download
memory/232-173-0x000002B9DD1D0000-0x000002B9DD1DE000-memory.dmp

Filesize
56KB

Download
memory/232-172-0x000002B9DCF26000-0x000002B9DCF28000-memory.dmp

Filesize
8KB

Download
memory/232-154-0x0000000000000000-mapping.dmp

Download
memory/528-151-0x0000000000000000-mapping.dmp

Download
memory/1708-123-0x0000014CF41F0000-0x0000014CF41F2000-memory.dmp

Filesize
8KB

Download
memory/1708-130-0x0000014CF41F6000-0x0000014CF41F8000-memory.dmp

Filesize
8KB

Download
memory/1708-124-0x0000014CF41F3000-0x0000014CF41F5000-memory.dmp

Filesize
8KB

Download
memory/1708-122-0x0000014CF4480000-0x0000014CF4481000-memory.dmp

Filesize
4KB

Download
memory/1708-119-0x0000014CF4180000-0x0000014CF4181000-memory.dmp

Filesize
4KB

Download
memory/1708-114-0x0000000000000000-mapping.dmp

Download
memory/2252-174-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2252-175-0x000000000040242D-mapping.dmp

Download
memory/2252-179-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads