MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5e7773e86e1f8feacc75ced3053ac3d44af73d5b2ec72005c7ba2cd465f1ef3. 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: 3

Intelligence 3 IOCs YARA 6 File information Comments

SHA256 hash:	a5e7773e86e1f8feacc75ced3053ac3d44af73d5b2ec72005c7ba2cd465f1ef3
SHA3-384 hash:	4b9b297f5f2c2ee164260bd02db6bca8b7d8373a5e6bf989c983666a34921810edd5b2027ce644d546251ed641e99685
SHA1 hash:	f2b21c68d53e501d097cd3ce3e662ec75f60e5bf
MD5 hash:	b0af87f23b32d621839b32e2ed74848e
humanhash:	jig-cola-idaho-romeo
File name:	HostAaaa_outputA71B7FF.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	475'136 bytes
First seen:	2020-04-30 07:32:40 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	6e86ac223d814abbf86b2b5141572e23 (1 x NetWire)
ssdeep	6144:tJE+ck9fZKuIU2yeGXUoTUkLA+ZdHOZiCc8TNvMg:zEg9lIlyi0UkL9Z4imTNvM
Threatray	73 similar samples on MalwareBazaar
TLSH	EDA4F1713A75D969C56FC378AD37BAE09C27BC249A9448633AC4BB8FAC357438C13215
Reporter	jarumlus
Tags:	NetWire

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Win.Dropper.Weecnaw-6922778-0

Gathering data

Threat name:

Win32.Trojan.Weecnaw

Status:

Malicious

First seen:

2019-04-02 08:39:30 UTC

AV detection:

27 of 31 (87.10%)

Threat level:

5/5

Verdict:

malicious

Label(s):

netwirerc

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

Rule name:	win_netwire_g1 Create hunting rule
Author:	Slavo Greminger, SWITCH-CERT

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
VB_API	Legacy Visual Basic API used	MSVBVM60.DLL::__vbaSetSystemError MSVBVM60.DLL::EVENT_SINK_AddRef MSVBVM60.DLL::__vbaLateMemCallLd

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