MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5f9a952c4009061a21147103fc6d762c60e070fc588cab92846fc1c29679715. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5f9a952c4009061a21147103fc6d762c60e070fc588cab92846fc1c29679715
SHA3-384 hash: 0e1091fdfac98e1c562b80a4373ea25b8d736822b006dbae75156a14d3ecb4e022b1b3dcdec418d612b30e006954a97e
SHA1 hash: f54aa0b0a452ffba34bb154a467dbef3bf347fd9
MD5 hash: f13aa37174903d14951c141da29ec4bc
humanhash: mango-oscar-zebra-fanta
File name:cnf3669009.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:640'512 bytes
First seen:2020-08-05 11:52:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2ff2dc860b3be78716db0209b9220e29 (4 x AgentTesla, 3 x HawkEye, 2 x NetWire)
ssdeep 12288:ZuAybmmRBkHgwNO+X85gTDTcKJQvcTP/1hZ5KvJUYhTGyp41/JCarVI8Pjka/bXm:5ybmMB501ag/Tc/07/zZ5KvJUDyp41/s
Threatray 411 similar samples on MalwareBazaar
TLSH 57D423D0D34574B6F10609B1571A89EB2382BA2A5C8A77160FEDDC067D37BC247837AB
Reporter abuse_ch
Tags:Caixa exe NetWire RAT t-online


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: mailout08.t-online.de
Sending IP: 194.25.134.20
From: Buzón UAFE <fa.zajitschek@t-online.de>
Reply-To: Buzón UAFE <fa.zajitschek@t-online.de>
Subject: Caixa Confirming facturas TOTANA TSC INGINERA S L.
Attachment: cnf3669009.uue (contains "cnf3669009.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
339
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Netwire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39497/
Detection(s):
PUA.Win.Packer.Upx-49
Create hunting rule

PUA.Win.Packer.UpxProtector-1
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-6
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending a UDP request
Searching for the window
Deleting a recently created file
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a recently created process
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/411071
Signature
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Maps a DLL or memory area into another process
Sigma detected: NetWire
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257845 Sample: cnf3669009.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 84 65 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->65 67 Yara detected NetWire RAT 2->67 69 Sigma detected: NetWire 2->69 8 cnf3669009.exe 3 2 2->8         started        11 Host.exe 2->11         started        13 cnf3669009.exe 2->13         started        process3 signatures4 71 Contains functionality to log keystrokes 8->71 73 Contains functionality to steal Internet Explorer form passwords 8->73 75 Contains functionality to steal Chrome passwords or cookies 8->75 77 Contains functionality to detect sleep reduction / modifications 8->77 15 cnf3669009.exe 3 8->15         started        18 cnf3669009.exe 8->18         started        20 AcroRd32.exe 15 39 8->20         started        79 Maps a DLL or memory area into another process 11->79 22 Host.exe 11->22         started        24 Host.exe 11->24         started        26 cnf3669009.exe 13->26         started        28 cnf3669009.exe 13->28         started        process5 file6 57 C:\Users\user\AppData\Roaming\...\Host.exe, PE32 15->57 dropped 30 Host.exe 15->30         started        33 cnf3669009.exe 18->33         started        35 RdrCEF.exe 57 20->35         started        38 AcroRd32.exe 8 6 20->38         started        process7 dnsIp8 81 Maps a DLL or memory area into another process 30->81 83 Contains functionality to detect sleep reduction / modifications 30->83 40 Host.exe 3 30->40         started        43 Host.exe 30->43         started        45 cnf3669009.exe 33->45         started        47 cnf3669009.exe 33->47         started        59 192.168.2.1 unknown unknown 35->59 49 RdrCEF.exe 35->49         started        51 RdrCEF.exe 35->51         started        53 RdrCEF.exe 35->53         started        55 RdrCEF.exe 35->55         started        signatures9 process10 dnsIp11 61 43.226.229.43, 2030 SOFTLAYERUS Hong Kong 40->61 63 80.0.0.0 NTLGB United Kingdom 49->63
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5f9a952c4009061a21147103fc6d762c60e070fc588cab92846fc1c29679715/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 11:54:07 UTC
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wx42suweacigdiqri4id7rwxmlda4bypywemvojii36byklhs4kq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
1254f2a5cf88750e22a29c78e1e316cd034d3763302bfafaea0ceac3fec49e1e
NetWire
1c1035301c27d73a161ca96f9732f5024eb924798ce95d76d274b751ff87aa2f
NetWire
40d8ba1b4ae578829ce958a356395307e27eda0512bc78021ccb93e4b26134f7
NetWire
9105005851fbf7a7d757109cf697237c0766e6948c7d88089ac6cf25fe1e9b15
NetWire
940ca9e10bfa12f912ed6d60e827f89726fd036eadafa77eff33a7168b59839a
NetWire
9f20ec0199d293e7dd83aec28d9a12669880eed778ce2132f13ce5aa54c14d3c
NetWire
a9a8374950d68997b782dca8ae2464aa81709c2f51bcc8fdb1abdcfb5b40c521
NetWire
b50a0ea3d467e25e9c1917668e10f70e67434e468fcecbb1d3a927a3f105dbfa
NetWire
e5b32b4bb73f9bf50a9e4e3236ea3bf54577675b46d98deb142d668e7ea1653a
NetWire
f52c73e9a148074ad2d20b27874e0c183a461f0e21ed09874ef706e464757e2e
NetWire
+ 401 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/200805-2gpc5zwh66/
Behaviour
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b5f9a952c4009061a21147103fc6d762c60e070fc588cab92846fc1c29679715

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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

uue db6722df4057c66c0ecad864f0d34b96e4eeb82f2b4bbc383a808ad4cdebfda8

NetWire

Executable exe b5f9a952c4009061a21147103fc6d762c60e070fc588cab92846fc1c29679715

(this sample)

  
Dropped by
MD5 92768148c44e8e4f8962c2d531b9f696
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39497/
  
Dropped by
SHA256 db6722df4057c66c0ecad864f0d34b96e4eeb82f2b4bbc383a808ad4cdebfda8

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