MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3ca97abe1f0584928691bf13d02b25a4e20288a2477e466d67000c0bbe04df3. 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

SHA256 hash:	c3ca97abe1f0584928691bf13d02b25a4e20288a2477e466d67000c0bbe04df3
SHA3-384 hash:	394ac297e63199581540a0aa9aa31434f3b0620a4e679ce75611f7f5741b903699c128b41d1bc8539a79bcc25503495a
SHA1 hash:	9e17d1a0de966f009634458784a91ef31816cbc2
MD5 hash:	20c11d30d651cdc31ee60892280d61b6
humanhash:	double-london-butter-march
File name:	Booking Confirmation 02162021900 - copy -PDF.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	135'168 bytes
First seen:	2021-02-16 13:58:49 UTC
Last seen:	2021-02-16 15:38:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	73b77e3b702ee1f9dd4f6c4969edbf68 (1 x NetWire)
ssdeep	3072:cFXWPu2WO1gEkp2THd3k+hGur5xBYoQS3P:W+hV5Lf
Threatray	883 similar samples on MalwareBazaar
TLSH	A1D37C57F200F13ED3B6C9B25A25A47841CABC305B3BC9A3F580371B16B6AF1642562F
Reporter	abuse_ch
Tags:	exe Maersk NetWire

abuse_ch

Malspam distributing NetWire:

HELO: smtpgw.hepsibulutta.com
Sending IP: 46.4.185.122
From: ''Maersk Booking Service'' <maerskbooking_dept2@protonmail.com>
Reply-To: ''Maersk Booking Service'' <maerskbooking_dept2@protonmail.com>
Subject: Re: Shipment Booking Confirmation.
Attachment: Booking Confirmation 02162021900 - copy -PDF.uu (contains "Booking Confirmation 02162021900 - copy -PDF.exe")

NetWire RAT C2:
spotless212.nerdpol.ovh:6080

Intelligence

File Origin

# of uploads :

# of downloads :

274

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Guloader

Link:

https://www.capesandbox.com/analysis/117331/

Detection(s):

SecuriteInfo.com.Generic.mg.20c11d30d651cdc3.11663.UNOFFICIAL

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Setting a single autorun event

Result

Threat name:

NetWire GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/608969

Signature

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Contains functionality to hide a thread from the debugger

Creates autostart registry keys with suspicious values (likely registry only malware)

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Hides threads from debuggers

Sigma detected: NetWire

Tries to detect Any.run

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

Tries to detect virtualization through RDTSC time measurements

Yara detected GuLoader

Yara detected VB6 Downloader Generic

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c3ca97abe1f0584928691bf13d02b25a4e20288a2477e466d67000c0bbe04df3/

Threat name:

Win32.Backdoor.NetWiredRc

Status:

Malicious

First seen:

2021-02-16 13:59:06 UTC

AV detection:

14 of 28 (50.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ypfjpk7b6bmeskdjdpyt2avsljhcakeker36izwwoaambo7ajxzq._file

Verdict:

malicious

Label(s):

guloader

Result

Malware family:

netwire

Score:

10/10

Tags:

family:netwire botnet persistence stealer

Link:

https://tria.ge/reports/210216-tw73t9v8c2/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Adds Run key to start application

Netwire

Unpacked files

SH256 hash:

49b04162c412105ab0857de16713724cbf3234a0b6ba51f3a5286312633f20c3

MD5 hash:

1f1b425190b2fb0396ad2d538b1060ba

SHA1 hash:

413f98641d46fdcabfcaf64f29495667de6282ea

Link:

https://www.unpac.me/results/70fbf4a9-3dcd-46b4-b48a-3b66140d8842/

SH256 hash:

c3ca97abe1f0584928691bf13d02b25a4e20288a2477e466d67000c0bbe04df3

MD5 hash:

20c11d30d651cdc31ee60892280d61b6

SHA1 hash:

9e17d1a0de966f009634458784a91ef31816cbc2

Link:

https://www.unpac.me/results/70fbf4a9-3dcd-46b4-b48a-3b66140d8842/

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/c3ca97abe1f0584928691bf13d02b25a4e20288a2477e466d67000c0bbe04df3

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:	win_netwire_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator