MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ffd27ca1fd95daec8b9609027d5b44c3afe2f90b3aac1d6040d09aeb3213be. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5ffd27ca1fd95daec8b9609027d5b44c3afe2f90b3aac1d6040d09aeb3213be
SHA3-384 hash: 60886c17d2d0ae568a501f5aa1d369bd9181da30ae568a47d8e70de6aaf7e5dff40623ad56000d1a1b04812388988a7a
SHA1 hash: c2fada1959e3228fb2f156679653777031c77296
MD5 hash: 9cb2af2b759579257bd5e1a8638a9529
humanhash: winter-neptune-winter-california
File name:Payment notification.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:893'952 bytes
First seen:2020-10-27 10:23:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1496cafa3f41b8b2ba3e8c456ce5709d (12 x AsyncRAT, 7 x AgentTesla, 6 x Loki)
ssdeep 12288:TcKL9CyOXr2P3tSAD5lDCPjgjAKrUwODsveMbg1oq2aKPpFrduqNs8:TlbCaffOj29UhDogUaKPpFIqNs8
Threatray 281 similar samples on MalwareBazaar
TLSH B0158D2EB29148F3F16319789C0B57A49C36BE512D247A862BF5DCC8DF7968138392D3
Reporter abuse_ch
Tags:exe geo NetWire RAT ZAF


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: mail.genoson.gq
Sending IP: 45.147.162.95
From: Capitec Bank <Payment@capitecbank.co.za>
Reply-To: No-reply@capitecbank.co.za
Subject: Payment Notification
Attachment: Payment notification.img (contains "Payment notification.exe")

NetWire RAT C2:
185.140.53.146:3393

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 :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NetWire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79806/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Launching a process
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/513316
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to log keystrokes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Internet Explorer form passwords
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: NetWire
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305789 Sample: Payment notification.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Detected unpacking (changes PE section rights) 2->34 36 10 other signatures 2->36 7 Payment notification.exe 3 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 42 Writes to foreign memory regions 7->42 44 Allocates memory in foreign processes 7->44 46 Maps a DLL or memory area into another process 7->46 48 Queues an APC in another process (thread injection) 7->48 12 notepad.exe 1 7->12         started        15 Payment notification.exe 2 7->15         started        18 Payment notification.exe 3 10->18         started        process5 dnsIp6 50 Drops VBS files to the startup folder 12->50 52 Delayed program exit found 12->52 28 185.140.53.146, 3393, 49710, 49716 DAVID_CRAIGGG Sweden 15->28 54 Writes to foreign memory regions 18->54 56 Allocates memory in foreign processes 18->56 58 Maps a DLL or memory area into another process 18->58 20 Payment notification.exe 18->20         started        23 notepad.exe 1 18->23         started        signatures7 process8 file9 38 Tries to steal Mail credentials (via file access) 20->38 40 Tries to harvest and steal browser information (history, passwords, etc) 20->40 26 C:\Users\user\AppData\Roaming\...\Windows.vbs, ASCII 23->26 dropped signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5ffd27ca1fd95daec8b9609027d5b44c3afe2f90b3aac1d6040d09aeb3213be/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 05:51:03 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wx75e7fb7wk5v3elsyeqe7k3itb27yxzbm5kyhlaidijv2zsco7a._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
3f7579a12e92960bfe46af7ea9bc9ac716c374b214e1f03c5f9fb504708ea63f
NetWire
480e69a305098701404ab144ae64f297e342ca265309dfb7105bbc944aa31cae
NetWire
56cdf2f0adffcc195d95801f4f61da727edf5e6fe6bbbf0ac71462f733df9de9
NetWire
76b1a195279e01bf41f28576a23946416694d263a0d8b0db91af9d57e14ef4bf
NetWire
96a55e86b6b4d7ddfe80b096de08f57f7e8c417b2cb7dcf65a0c83aa32ed29dc
NetWire
9f20ec0199d293e7dd83aec28d9a12669880eed778ce2132f13ce5aa54c14d3c
NetWire
a170710f4db4414908be1c82fc27c902e9d0680fc2bfa76c6c52037febfeeb77
NetWire
d1d7d8270c7e5545ef984255a425c14f01379aec8cac34f74ebf4e01caf047ff
NetWire
f83198c03626e0cd56156ebe79ac221f9a875aa32a3a1aa783aba69f1df1e604
NetWire
fbd5c67e8d113fc6fb4954ef9be8356e114a71b726fb38bf535da54199ee9a10
NetWire
+ 271 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
rat botnet stealer family:netwire
Link:
https://tria.ge/reports/201027-vjg7zh6bdn/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Drops startup file
NetWire RAT payload
Netwire
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
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: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

File information

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

Malspam

NetWire

img 3a7cc6b4484c9131aa7a0272556e8ec054676b71ce90c26f9f76f4289866162b

NetWire

Executable exe b5ffd27ca1fd95daec8b9609027d5b44c3afe2f90b3aac1d6040d09aeb3213be

(this sample)

  
Dropped by
MD5 0a3e153a59904f08425c3bb5df123a0c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3a7cc6b4484c9131aa7a0272556e8ec054676b71ce90c26f9f76f4289866162b
Cape
Cape
https://www.capesandbox.com/analysis/79806/

Comments