netwire | d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2022 11:56

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General

Target

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe
Size

353KB
MD5

a3a4b92718aca379bc2f2c71ea58f4a0
SHA1

d709dbd0da3ea6246714f71f5042e03417313226
SHA256

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5
SHA512

ba2d9cd78ea8372f3055e6f6c6d2b24ca5a8a0ec147c8674c60ae9cd4aa69ae11c4cea9e9a0dbd71c8863b6790b213b114193808fcbcad4c1f3d3f154fd7be03
SSDEEP

6144:JyWVJcspMJ30/hzgGjYZaEScP5mlbNEu8I4QrF2BArV1BZI5itH+s49aJ1qMFy:xpCCh8GcZaESW8lhzbiq1ac1+sDJ1qMw

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\862TN61aq7RVaXXA\\j2Dquw81BhY7.exe\",explorer.exe"	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2892-135-0x0000000000400000-0x000000000041E000-memory.dmp	netwire
behavioral2/memory/2892-137-0x0000000000400000-0x000000000041E000-memory.dmp	netwire
behavioral2/memory/2892-138-0x0000000000400000-0x000000000041E000-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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

Processes:

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

description	pid	process	target process
PID 4776 set thread context of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe

Drops file in Windows directory 2 IoCs

Processes:

vbc.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\.Identifier	vbc.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\.Identifier	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

pid	process
4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe
4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

description	pid	process
Token: SeDebugPrivilege	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe
Token: SeDebugPrivilege	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe

description	pid	process	target process
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe
PID 4776 wrote to memory of 2892	4776	d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe
"C:\Users\Admin\AppData\Local\Temp\d8fbfcf1ca07bab35863380101b13af249de3f4e3ffbf7dfa3492b777134a5e5.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
2⤵
- Drops file in Windows directory
PID:2892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2892-134-0x0000000000000000-mapping.dmp

Download
memory/2892-135-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2892-137-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2892-138-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4776-132-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4776-133-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download