MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d88027eea794c98e219904f2815eedca85a415a81bc1fb87268cabd5a098c51. 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 3 File information Comments

SHA256 hash:	4d88027eea794c98e219904f2815eedca85a415a81bc1fb87268cabd5a098c51
SHA3-384 hash:	00f5b0219f26e4c880aa84203d15ff743659c4ba49db7275894851e72b6fc370a2b36f82e4f3853cc2d034ec830576be
SHA1 hash:	c527dc747ae0d04dac68260f1bb125b1cb3f3080
MD5 hash:	f4cbcba0ecd623e8b2c7578e6df012a1
humanhash:	zebra-comet-kitten-twenty
File name:	Proof of Payment.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	457'216 bytes
First seen:	2020-10-28 07:53:22 UTC
Last seen:	2020-10-28 09:54:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:kcDJ/ZyJ2jPAJCMZ2Vw0PsHvI03Jq8HcD+jrTwD+T:9pZyJ2joJ8sHvB3Uuc6jlT
TLSH	70A4F1B4B5D0B99FC9DBCE7315659C14E26064AB430FF247D0733BE48A8E7868F18862
Reporter	abuse_ch
Tags:	exe geo NetWire nVpn RAT ZAF

abuse_ch

Malspam distributing NetWire:

HELO: ns4.eoejhb.net
Sending IP: 41.76.108.28
From: sales@neoshosecurity.co.za
Subject: Proof Of Payment
Attachment: PROOF OF PAYMENT.ISO (contains "Proof of Payment.exe")

NetWire RAT C2:
194.5.97.202:3372

Hosted on 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@privacyfirst.sh'

inetnum: 194.5.97.0 - 194.5.97.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-UK5
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
mnt-by: PRIVACYFIRST-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-26T17:48:55Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

164

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Netwire

Link:

https://www.capesandbox.com/analysis/80329/

Detection(s):

SecuriteInfo.com.BehavesLike.Win32.Generic.gc.29098.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Sending a custom TCP request

Enabling autorun by creating a file

Result

Threat name:

NetWire

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/514673

Signature

Contains functionality to steal Chrome passwords or cookies

Executable has a suspicious name (potential lure to open the executable)

Initial sample is a PE file and has a suspicious name

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: NetWire

Sigma detected: Scheduled temp file as task from temp location

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected NetWire RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4d88027eea794c98e219904f2815eedca85a415a81bc1fb87268cabd5a098c51/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-10-28 05:02:05 UTC

AV detection:

22 of 26 (84.62%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jweae7xkpfgjryqzsbhsqfpo3sufuqk2qg6b7odsndfl2wqjrriq._file

Result

Malware family:

netwire

Score:

10/10

Tags:

family:netwire botnet rat stealer

Link:

https://tria.ge/reports/201028-8llzajgf3a/

Behaviour

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

NetWire RAT payload

Netwire

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4d88027eea794c98e219904f2815eedca85a415a81bc1fb87268cabd5a098c51

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:	Chrome_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

Rule name:	IPPort_combo_mem Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

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