MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4288c3aa0a21e8b20e37255358a04546708892d1cba5a93707a3c3586c6eae5. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: d4288c3aa0a21e8b20e37255358a04546708892d1cba5a93707a3c3586c6eae5
SHA3-384 hash: 2427f5902a9ef698f86dca0ca4b466589e3cd3d9589c95f046d1bb88c31c24aced181731b3ab99e9f2fe5afbb53676de
SHA1 hash: e23e8d0d64bc0c30d50dc1bd29986c36ca52ea8d
MD5 hash: a7b28b5253e0fdb9074cac7935cca2a5
humanhash: texas-asparagus-one-four
File name:Proof of Payment.exe
Download: download sample
Signature NetWire
File size:981'388 bytes
First seen:2020-10-12 06:24:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 12288:HQnk3GDYKGcbll9ip8OIqpB+CuvxAzJVFZtnG6AyljjIHdJET6fuofV2rPDU3NUX:JAOcZypT16+DZRjmKwAcNeVrvjnC6T
Threatray 512 similar samples on MalwareBazaar
TLSH B4251202FBC644B2D4720A325A399725AD7ABE101F35DA1FB7D4596CEE31180A634FB3
Reporter abuse_ch
Tags:exe NetWire nVpn RAT


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: mail.mogioan.cf
Sending IP: 45.147.162.231
From: NedBank <Notification@nedbank.co.za>
Reply-To: Notification@nedbank.co.za
Subject: Payment notification
Attachment: Proof of Payment.img (contains "Proof of Payment.exe")

NetWire RAT C2:
194.5.98.66:3393

Hosted on nVpn:

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.98.0 - 194.5.98.255
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-NO
country: NO
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-04-26T16:42:54Z
last-modified: 2020-10-07T21:35:29Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to steal Chrome passwords or cookies
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.NetWired
Status:
Malicious
First seen:
2020-10-12 03:20:48 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
rat persistence keylogger trojan stealer spyware family:nanocore botnet family:netwire
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
d4288c3aa0a21e8b20e37255358a04546708892d1cba5a93707a3c3586c6eae5
MD5 hash:
a7b28b5253e0fdb9074cac7935cca2a5
SHA1 hash:
e23e8d0d64bc0c30d50dc1bd29986c36ca52ea8d
SH256 hash:
0f1613eefb37daddfdb4daa7c0261632be0195d83b11ca89b9cff27a54dd905e
MD5 hash:
515a52e501b4ea6236e94cc969687662
SHA1 hash:
537f6583ac8e0bd07f201a77e38f464b97390e80
Detections:
win_netwire_g1 win_netwire_auto
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Malicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MAL_unspecified_Jan18_1
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:Suspicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_netwire_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

NetWire

Executable exe d4288c3aa0a21e8b20e37255358a04546708892d1cba5a93707a3c3586c6eae5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments