MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a4ea9c422e80abe0f0abd7cbc73e3070b0345d2e9ab5ff57840230240f10f47. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

NetWire

Vendor detections: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	1a4ea9c422e80abe0f0abd7cbc73e3070b0345d2e9ab5ff57840230240f10f47
SHA3-384 hash:	1dfc9fcca2fd4be9bd12a3bea94bf09a62f1fcd608ce49c51e78a9ba52ec13f2c155788cb5e3a0f4478e6029c3d420fe
SHA1 hash:	24f135bf0c8e0db609a39fc2a5b68e644ed1ce7c
MD5 hash:	5a68d27a6d644b88a59ae764acaad552
humanhash:	five-violet-lemon-timing
File name:	nxxt.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	346'112 bytes
First seen:	2020-07-10 05:14:46 UTC
Last seen:	2020-07-10 05:43:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:2lvmxsqm53d9y36v7pIWVN4ZxY3EM0ihwMa:2Ed36DpJH4ZS3EM0
Threatray	409 similar samples on MalwareBazaar
TLSH	7F74E12CFEADE6EAD8652173789151505270CDF6C842EF1BE58F326EC532BCA290D14B
Reporter	abuse_ch
Tags:	exe NetWire nVpn RAT

abuse_ch

Malspam distributing NetWire:

HELO: premium93-5.web-hosting.com
Sending IP: 68.65.121.175
From: Janet Carson <smtpicrack@pecospub.com>
Reply-To: jamesb080@vivaldi.net
Subject: RESENDING: Quotation Request
Attachment: Invoice.xlsm

NetWire payload URL:
http://comawhimplet.com/nxxt.exe

NetWire RAT C2s:
gold1.dnsupdate.info:4770 (194.5.97.88)
brightgee1.awsmppl.com:4770 (194.5.97.88)

Pointing to nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.97.0 - 194.5.97.255
netname: Privacy_Online
remarks: ------------------------------------------------------------------------
remarks: This prefix is used by a non-logging VPN service provider.
remarks: We don't log any user activities.
remarks: We don't host anything else on our servers than VPN software (OpenVPN,
remarks: IKEv1 & 2, WireGuard ...).
remarks: Our customers can open up to 8 Ports (TCP & UDP).
remarks: We support the Tor Project: https://www.torproject.org
remarks: Before sending us potential complaints, please read:
remarks: https://www.torservers.net/abuse.html
remarks:
remarks: We are under constant pressure by Spamhaus.
remarks: Spamhaus issues tons of fake SBL listings in order to destroy our service.
remarks: They use fake identities, violate EU laws and hide outside the EU in
remarks: Andorra to avoid legal consequences.
remarks: Please don't trust this organization.
remarks: If you have any questions related to our service, please contact us
remarks: directly via e-mail: support@inter-cloud.tech
remarks:
remarks: Thank you.
remarks: ------------------------------------------------------------------------
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
country: RU
status: SUB-ALLOCATED PA
mnt-by: inter-cloud-mnt
created: 2018-07-23T09:31:45Z
last-modified: 2020-03-10T21:27:32Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

219

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Netwire

Link:

https://www.capesandbox.com/analysis/24168/

Detection(s):

SecuriteInfo.com.MSIL.Packed.SmartAssembly.AY.24893.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a window

DNS request

Running batch commands

Creating a process with a hidden window

Sending a custom TCP request

Creating a file

Changing the Zone.Identifier stream

Unauthorized injection to a recently created process by context flags manipulation

Enabling autorun with Startup directory

Detection:

netwire

Link:

https://mwdb.cert.pl/sample/1a4ea9c422e80abe0f0abd7cbc73e3070b0345d2e9ab5ff57840230240f10f47/

Threat name:

ByteCode-MSIL.Trojan.SmartAssembly

Status:

Malicious

First seen:

2020-07-10 05:16:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=djhktrbc5afl4dykxv6ly47da4fqgros5gvv75lyiarqeqhrb5dq._file

Verdict:

malicious

Label(s):

netwirerc

Result

Malware family:

netwire

Score:

10/10

Tags:

rat botnet stealer family:netwire

Link:

https://tria.ge/reports/200710-r8emdy8jan/

Behaviour

NTFS ADS

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Drops startup file

Loads dropped DLL

Executes dropped EXE

Netwire

NetWire RAT payload

Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	win_netwire_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator