MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3793a581da66ef5840648574ce364846e7c68a559c0f5e49faf9e4892ecdc72. 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: 5

Intelligence 5 IOCs YARA 6 File information Comments

SHA256 hash:	d3793a581da66ef5840648574ce364846e7c68a559c0f5e49faf9e4892ecdc72
SHA3-384 hash:	1eb08e29850b3d790b90b06e4266c345540214db463ffb1f968e22537f83cfd28353bfd9d2cede46ce1490f9f769b0cb
SHA1 hash:	fca85ff9aa624547d9a315962d82388c300edac1
MD5 hash:	836cda1d8a9718485cc9f9653530c2d9
humanhash:	uranus-spring-grey-early
File name:	640000351-PDF.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	953'344 bytes
First seen:	2020-05-12 08:24:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:6r+vUZ7pHJTJX5rJHpzJ3Z7JHJTpX5LpHRvpDhnxjZvpzBnhzJfJDhnxD5PJTBnA:qy0bAgLM8rtEisHSb0o6y2
Threatray	677 similar samples on MalwareBazaar
TLSH	6A1519D9AE889EC0D5B3F2F0A00A565207543C82A9CC429D4FF93DBA85314ABDD5B53F
Reporter	abuse_ch
Tags:	exe NetWire RAT

abuse_ch

Malspam distributing NetWire:

HELO: server.avrasyarulman.com
Sending IP: 185.239.237.91
From: 國泰世華銀行 <service@pxbillrc01.cathaybk.com.tw>
Subject: 國泰世華銀行訊息通知
Attachment: 640000351.PDF.IMG (contains "640000351-PDF.exe")

NetWire RAT C2:
gemateknindoperkasa.co.id:7882 (174.127.99.159)

Intelligence

File Origin

# of uploads :

# of downloads :

103

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Variant.Ursu.772279.2230.28550.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Azorult

Status:

Malicious

First seen:

2020-05-12 08:36:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 31 (83.87%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2n4tuwa5uzxplbagjbluzy3eqrxhy2fflhaplze7v6perexm3rza._file

Verdict:

malicious

Label(s):

azorult

netwirerc

Result

Malware family:

netwire

Score:

10/10

Tags:

family:azorult family:netwire botnet infostealer rat stealer trojan

Link:

https://tria.ge/reports/201109-dq368gcw1n/

Behaviour

Delays execution with timeout.exe

NTFS ADS

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies system certificate store

Suspicious use of SetThreadContext

Loads dropped DLL

Executes dropped EXE

Azorult

NetWire RAT payload

Netwire

Malware Config

C2 Extraction:

https://gemateknindoperkasa.co.id/imag/index.php

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:	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