MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26cb5d17b635e301745c56300a842e86e30bd871bbe945a639b767c75687a579. 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

AveMariaRAT

Vendor detections: 8

Intelligence 8 IOCs YARA 13 File information Comments

SHA256 hash:	26cb5d17b635e301745c56300a842e86e30bd871bbe945a639b767c75687a579
SHA3-384 hash:	8188f1afa9992f1f5907fa831f1db65931f8f76aa4eeb212b7d12a696f64fcf68258db0a9116be3b4ce2db7501a1b545
SHA1 hash:	484a74e910e26a69ad769fbbec0ab7d153ab9ab3
MD5 hash:	93e962f3c77383ada03169b14273fc62
humanhash:	single-item-virginia-cat
File name:	Ordine R20 T40567, pdf.exe
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	691'888 bytes
First seen:	2020-10-27 13:05:20 UTC
Last seen:	2020-11-03 10:09:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	6144:dhaKmCdJQ0IwFEsA8eb3MdGoVKZqkOc1/WjS7iB7AlNrw:7aK7dF2sA9bwVKGOKS8Os
TLSH	C6E4743CAE8425A3D177A276A0F64597FAE46D8673780C4B01C73B492D6AF023D9734E
Reporter	abuse_ch
Tags:	AveMariaRAT exe nVpn RAT

Code Signing Certificate

Organisation:	DigiCert Assured ID Root CA
Issuer:	DigiCert Assured ID Root CA
Algorithm:	sha1WithRSAEncryption
Valid from:	Nov 10 00:00:00 2006 GMT
Valid to:	Nov 10 00:00:00 2031 GMT
Serial number:	0CE7E0E517D846FE8FE560FC1BF03039
Intelligence:	22 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	3E9099B5015E8F486C00BCEA9D111EE721FABA355A89BCF1DF69561E3DC6325C
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

abuse_ch

Malspam distributing AveMariaRAT:

HELO: mail.nipponcarsrl.com.ar
Sending IP: 200.114.86.103
From: info@filtertechnics.it
Subject: ***SPAM*** Ordine R20-T40567
Attachment: Ordine R20 T40567, pdf.xz (contains "Ordine R20 T40567, pdf.exe")

AveMariaRAT C2:
graceland777.ddns.net:7773 (185.140.53.129)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

RDPWrap

Link:

https://www.capesandbox.com/analysis/79933/

Detection(s):

PUA.Win.Trojan.Generic-6629274-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Creating a file

DNS request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Connection attempt to an infection source

Result

Threat name:

AveMaria

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/513633

Signature

.NET source code contains very large strings

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to hide user accounts

Contains functionality to inject threads in other processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal e-mail passwords

Hides that the sample has been downloaded from the Internet (zone.identifier)

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Increases the number of concurrent connection per server for Internet Explorer

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Uses dynamic DNS services

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/26cb5d17b635e301745c56300a842e86e30bd871bbe945a639b767c75687a579/

Threat name:

ByteCode-MSIL.Spyware.AveMaria

Status:

Malicious

First seen:

2020-10-27 08:05:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=e3fv2f5wgxrqc5c4kyyavbboq3rqxwdrxpuuljrzw5t4ovuhuv4q._file

Result

Malware family:

warzonerat

Score:

10/10

Tags:

family:warzonerat infostealer persistence rat

Link:

https://tria.ge/reports/201027-624pp4ctta/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Warzone RAT Payload

WarzoneRat, AveMaria

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/26cb5d17b635e301745c56300a842e86e30bd871bbe945a639b767c75687a579

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:	Cobalt_functions Create hunting rule
Author:	@j0sm1
Description:	Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT

Rule name:	Codoso_Gh0st_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Codoso APT Gh0st Malware
Reference:	https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks

Rule name:	Codoso_Gh0st_2 Create hunting rule
Author:	Florian Roth
Description:	Detects Codoso APT Gh0st Malware
Reference:	https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks

Rule name:	Email_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Email in files like avemaria

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

Rule name:	RDPWrap Create hunting rule
Author:	@bartblaze
Description:	Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:	https://github.com/stascorp/rdpwrap

Rule name:	Stealer_word_in_memory Create hunting rule
Author:	James_inthe_box
Description:	The actual word stealer in memory

Rule name:	UAC_bypass_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	UAC bypass in files like avemaria

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

Rule name:	with_sqlite Create hunting rule
Author:	Julian J. Gonzalez <info@seguridadparatodos.es>
Description:	Rule to detect the presence of SQLite data in raw image
Reference:	http://www.st2labs.com