MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c40af3b0d480922a1888dcc95765aa30fa4033dcb08284b4cf0b2e70c6a994c. 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

NanoCore

Vendor detections: 3

Intelligence 3 IOCs YARA 3 File information Comments

SHA256 hash:	3c40af3b0d480922a1888dcc95765aa30fa4033dcb08284b4cf0b2e70c6a994c
SHA3-384 hash:	c5dcddcd0573a2a28de64315e6bc459baf2a5ac0701e4fec572bd6d526e137fb2290892eb341703226fb03eeb3542bcf
SHA1 hash:	9cada1e8bb0a8ae341dfe721878c7115c1469aa5
MD5 hash:	d2f8ee9828a8c81fab29241e293344f6
humanhash:	massachusetts-king-double-harry
File name:	Coronavirus.xlsm
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	13'426 bytes
First seen:	2020-04-02 18:29:29 UTC
Last seen:	2020-04-02 19:44:40 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	192:H+g22JqqlaFUlbVvevUqzQXpS03oSmH253TN18lvEtoTaEWZlWfrajHmS:HpnDWUlM9z6pC2tTAl8toTlMWfraD
TLSH	6B52A005DDB2B419C326C43DC1A606F2F94DD1649F44766B7C38BAE6B6813EB03CA19D
Reporter	abuse_ch
Tags:	COVID-19 NanoCore RAT xlsm

abuse_ch

COVID-19 themed malspam distributing NanoCore RAT:

HELO: vmzmta.ufrpe.br
Sending IP: 200.17.137.44
From: Coronavirus <intercoop.reitoria@ufrpe.br>
Subject: Coronavirus update (COVID-19) XXX your neighbors tested positive
Attachment: Coronavirus.xlsm

NanoCore RAT payload URL:http://185.208.211.67/case/xxx.exe
http://185.208.211.67/case/xxx.exe

NanoCore C2:
54811.duckdns.org:54811 (217.182.32.67)

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

TwinWave.EvilDoc.ExecFuncDepthNestHopeIsDangerousForAMiscreantToHave.20200403.UNOFFICIAL

Xls.Dropper.Agent-7734371-0

SecuriteInfo.com.Downloader.MSExcel.Generic.S1151.28298.UNOFFICIAL

Gathering data

Threat name:

Document-Word.Downloader.Sload

Status:

Malicious

First seen:

2020-04-02 18:35:28 UTC

File Type:

Document

Extracted files:

AV detection:

15 of 47 (31.91%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hrak6oynjaesfimirxgjk5s2umh2iaz5zmecqs2m6czooddktfga._file

Verdict:

unknown

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:	SharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	Internal names found in LURK0/CCTV0 samples

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