MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 880a8ee4e17767269813cd357c07c5453bc9cff047a2c201d6477d4b27c016c4. 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: 6

Intelligence 6 IOCs YARA 8 File information Comments

SHA256 hash:	880a8ee4e17767269813cd357c07c5453bc9cff047a2c201d6477d4b27c016c4
SHA3-384 hash:	a18c9a77743a06b43b84de9e209e8132a9ac07b218c3f15aface581e07e14ad6421f0e6774631d8ad1a17027eef2a5e6
SHA1 hash:	5bb7c4788a20888f1a1afec3fad804cc3a7a292a
MD5 hash:	7c7704246da617de120823ba2b49dd97
humanhash:	enemy-mexico-venus-montana
File name:	CST200047.exe
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	1'018'856 bytes
First seen:	2020-10-08 13:13:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	24576:9q0fJKEbWxNGn5JpAj8xQdEa7NN5y+pbS2L7d:o0fJKEbWxNGn5JpAj8xQZNN5y+pbS2LB
TLSH	7925E510B3FD6729FAF76FB8BE75D55408B6BE7A6822C65C1508108F44B2F808971B72
Reporter	abuse_ch
Tags:	AveMariaRAT exe RAT

abuse_ch

Malspam distributing AveMariaRAT:

HELO: mail.aberniew.com
Sending IP: 45.95.169.136
From: info@toptap.si
Subject: PO 19218 - 110920 (Carrier Transicold)
Attachment: CST200047.arj (contains "CST200047.exe")

AveMariaRAT C2:
172.111.210.207:2829

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

n/a

Vendor Threat Intelligence

Detection:

WarzoneRAT

Link:

https://www.capesandbox.com/analysis/69261/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Launching a process

Creating a process with a hidden window

DNS request

Sending a custom TCP request

Adding an access-denied ACE

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% directory

Deleting a recently created file

Reading critical registry keys

Creating a file in the %temp% directory

Stealing user critical data

Result

Threat name:

AveMaria

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/485500

Signature

Connects to a pastebin service (likely for C&C)

Contains functionality to hide a thread from the debugger

Contains functionality to hide user accounts

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

Hides threads from debuggers

Increases the number of concurrent connection per server for Internet Explorer

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/880a8ee4e17767269813cd357c07c5453bc9cff047a2c201d6477d4b27c016c4/

Threat name:

Win32.Trojan.AveMariaRAT

Status:

Malicious

First seen:

2020-10-08 06:45:45 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rafi5zhbo5tsngatzu2xyb6fiu54tt7qi6rmeaowi56uwj6ac3ca._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

9/10

Tags:

spyware

Link:

https://tria.ge/reports/201008-8vh82z563j/

Behaviour

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

JavaScript code in executable

Legitimate hosting services abused for malware hosting/C2

Loads dropped DLL

Reads user/profile data of web browsers

Unpacked files

SH256 hash:

880a8ee4e17767269813cd357c07c5453bc9cff047a2c201d6477d4b27c016c4

MD5 hash:

7c7704246da617de120823ba2b49dd97

SHA1 hash:

5bb7c4788a20888f1a1afec3fad804cc3a7a292a

Link:

https://www.unpac.me/results/175365bf-de94-41ab-b49a-28a6000317df/

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/880a8ee4e17767269813cd357c07c5453bc9cff047a2c201d6477d4b27c016c4

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:	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:	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:	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:	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