netwalker | 6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/03/2025, 00:52

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General

Target

6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe
Size

43KB
MD5

555c61ebdb63070649f09ace6619d08c
SHA1

db4b7e11ef770daa117b2a9ca6c1595c5c50ceef
SHA256

6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8
SHA512

c15c21a3a45a363cf4615e5b4dd3cfe52543efa3f5917e85f89382d7b6dc538dcdeedb3cc27b3264478d007b1b2201a192b9ae6afd4e1f1f2fd9e290130b94b8
SSDEEP

768:BtMKlfQsJ3r7flElGeRHHs+Pp9rIpp5MRtYpHZEbyPBnh+2xzha5:1hJ3f+JRHM+ByMR8+mPBUs

Score

10^/10

netwalker discovery ransomware

Malware Config

Signatures

Detected Netwalker Ransomware 1 IoCs

Detected unpacked Netwalker executable.

resource	yara_rule
behavioral1/memory/2096-1-0x00000000001E0000-0x00000000001FA000-memory.dmp	netwalker_ransomware

Netwalker Ransomware
Ransomware family with multiple versions. Also known as MailTo.
ransomware netwalker
Netwalker family
netwalker

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1792	2096	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1792	2096	6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe	31
PID 2096 wrote to memory of 1792	2096	6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe	31
PID 2096 wrote to memory of 1792	2096	6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe	31
PID 2096 wrote to memory of 1792	2096	6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe	31

C:\Users\Admin\AppData\Local\Temp\6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe
"C:\Users\Admin\AppData\Local\Temp\6e3a89ffa66710431aba08abfe475de6662fa5bc260dfd1b6b03fcf0cee821c8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 36
  2⤵
  - Program crash
  PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2096-0-0x00000000001E0000-0x00000000001FA000-memory.dmp

Filesize
104KB

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memory/2096-1-0x00000000001E0000-0x00000000001FA000-memory.dmp

Filesize
104KB

Download