MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa. 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: 11

Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash:	4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa
SHA3-384 hash:	838f8632110c1f23867657f6e3c8e72538d7de08927022d524ef96fbdb5e5cb9d5123ec70f3b257dd64a9b7cd24b6e1a
SHA1 hash:	c231b47c1b4c8e786476dabd873d454249d55733
MD5 hash:	feeae1de5260cb168faf4e8bf4782acf
humanhash:	hot-six-harry-jig
File name:	Proof of Payment.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	419'840 bytes
First seen:	2020-10-20 08:13:22 UTC
Last seen:	2020-10-25 18:04:57 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:3XWnl5WkJdTzc+9KdKu+z7f9A1GKZHNYPzodKW:3X4/poKLVA1GUKzod
Threatray	37 similar samples on MalwareBazaar
TLSH	B694F19062AAAB72E2BE5BFB301C141D87F150897763F79C5ED03AEE1194F408B58D63
Reporter	abuse_ch
Tags:	exe geo NedBank NetWire nVpn RAT ZAF

abuse_ch

Malspam distributing NetWire:

HELO: server20.dedicated.co.za
Sending IP: 154.0.174.28
From: Nedbank <Notification@nedbank.co.za>
Reply-To: No-reply@nedbank.co.za
Subject: Proof of Payment
Attachment: Proof of Payment.tar (contains "Proof of Payment.exe")

NetWire RAT C2:
185.140.53.167:3386

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
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-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

178

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NetWire

Link:

https://www.capesandbox.com/analysis/73307/

Detection(s):

SecuriteInfo.com.Trojan.DownLoader35.3988.30239.7709.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

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 TCP request to an infection source

Enabling autorun by creating a file

Result

Threat name:

Netwire

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/497257

Signature

Binary contains a suspicious time stamp

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

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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:

netwire

Link:

https://mwdb.cert.pl/sample/4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa/

Threat name:

ByteCode-MSIL.Trojan.Ymacco

Status:

Malicious

First seen:

2020-10-20 06:57:58 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jrlhaykfahd5mbf4trmrzey5e6swia4maqtboikou3tqwa33xsva._file

Verdict:

malicious

Label(s):

netwirerc

Result

Malware family:

netwire

Score:

10/10

Tags:

rat botnet stealer family:netwire

Link:

https://tria.ge/reports/201020-qdklpk3e3e/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

NetWire RAT payload

Netwire

Unpacked files

SH256 hash:

4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa

MD5 hash:

feeae1de5260cb168faf4e8bf4782acf

SHA1 hash:

c231b47c1b4c8e786476dabd873d454249d55733

Link:

https://www.unpac.me/results/ae3ff646-4afa-4dee-9a0a-da2a0d1e536b/

SH256 hash:

62495bea1d97e5759109e9e784308726d1d10838e400822c8579a103511d1125

MD5 hash:

e87b8a52edbd8bb2927279cea3a58e64

SHA1 hash:

15cb3a3b7d9b3bb5a8575f8127531d1fcdadb549

Detections:

win_netwire_g1

win_netwire_auto

Link:

https://www.unpac.me/results/ae3ff646-4afa-4dee-9a0a-da2a0d1e536b/

Parent samples :

c4814643da678ac9446ec619e269db1ccd32ebf1fa81f1d6ea8c7bc2c4e739ce
54d8f78bd1fe792e03f5e128d9fe6f930e73199ba028960ecd62bf22d5242c6d
4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa

SH256 hash:

31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b

MD5 hash:

0aebe46040ceb011e78506d4985fe3de

SHA1 hash:

218ac1e7b14a66c604ec3042f8486bed9cd4c2c1

Link:

https://www.unpac.me/results/ae3ff646-4afa-4dee-9a0a-da2a0d1e536b/

SH256 hash:

166ef066bc9825ad89709b238a3f71aa0108351d2f0d9ba15e5e0b8c9f4f01a0

MD5 hash:

13e46053beef4043938f5bbb00d40361

SHA1 hash:

2ebf0430694ac12ad94ab64657004385c1c12bf7

Link:

https://www.unpac.me/results/ae3ff646-4afa-4dee-9a0a-da2a0d1e536b/

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/4c5670614501c7d604bc9c591c931d27a564038c042617214ea6e70b037bbcaa

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

Rule name:	Malicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

Rule name:	MAL_unspecified_Jan18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects unspecified malware sample
Reference:	Internal Research

Rule name:	netwire Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect netwire in memory
Reference:	internal research

Rule name:	Suspicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

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