netwire | 791b2bf682699cf97e3925dee40ddd5c2cb728e80f798225a7fb0b713c1b1544

General

Target

First Order 1050522.exe
Size

23KB
MD5

0a5658ae9bc75b17d7d591f8411c2b89
SHA1

97a8540c7b213ab33231735e73a01f0903e51182
SHA256

791b2bf682699cf97e3925dee40ddd5c2cb728e80f798225a7fb0b713c1b1544
SHA512

bdcdda71261c750be6c59bfc7daeb113a7d0550fb189941e234189b49b5d4058cee359813ace409045db3cf3c4bef24842fb2a15d0d211ffee939713730cc3d0

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\browser.exe\","	First Order 1050522.exe

NetWire RAT payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1768-134-0x0000000000400000-0x0000000000450000-memory.dmp	netwire
behavioral2/memory/1768-135-0x0000000000400000-0x0000000000450000-memory.dmp	netwire
behavioral2/memory/1768-136-0x0000000000400000-0x0000000000450000-memory.dmp	netwire
behavioral2/memory/1768-137-0x0000000000400000-0x0000000000450000-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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	First Order 1050522.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 1768	4396	First Order 1050522.exe	99

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2456	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4396	First Order 1050522.exe
4396	First Order 1050522.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	First Order 1050522.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 504	4396	First Order 1050522.exe	94
PID 4396 wrote to memory of 504	4396	First Order 1050522.exe	94
PID 4396 wrote to memory of 504	4396	First Order 1050522.exe	94
PID 504 wrote to memory of 2456	504	cmd.exe	96
PID 504 wrote to memory of 2456	504	cmd.exe	96
PID 504 wrote to memory of 2456	504	cmd.exe	96
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99
PID 4396 wrote to memory of 1768	4396	First Order 1050522.exe	99

C:\Users\Admin\AppData\Local\Temp\First Order 1050522.exe
"C:\Users\Admin\AppData\Local\Temp\First Order 1050522.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 30
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:504
- - C:\Windows\SysWOW64\timeout.exe
    timeout 30
    3⤵
    - Delays execution with timeout.exe
    PID:2456
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1768-134-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1768-135-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1768-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1768-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4396-130-0x0000000000FB0000-0x0000000000FBC000-memory.dmp

Filesize
48KB

Download

Analysis

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