MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f005ef79f2a337aa3e3537f304316bdb931dffa3cecacadc1cd094c1414bf4f. 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: 4

Intelligence 4 IOCs YARA 8 File information Comments

SHA256 hash:	5f005ef79f2a337aa3e3537f304316bdb931dffa3cecacadc1cd094c1414bf4f
SHA3-384 hash:	fb9394edc1ff314c2cac4b8c3006b87586fb49a3775b32f4c075ee666867a508c65ceb61595394be0c37cadf09009f45
SHA1 hash:	9973dad26ac516f3a4f413624fa908a828e5df9b
MD5 hash:	8927ad6be7ff24a708641467b7f699d5
humanhash:	artist-purple-london-river
File name:	Tax Challan.xlsm
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	90'946 bytes
First seen:	2020-07-16 07:54:37 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	1536:wu5NlYxWNNDP0vJ7lkZxxlE4oiTvyPn8Pt5xOiSIJJTMqDjr:wu5NlYoASCijRjxOi7JJbjr
TLSH	9193E64798059B87D02893F9BE171EAD6F562F4C94C23AEF14120E9BBF713252D8E42D
Reporter	abuse_ch
Tags:	AveMariaRAT HostGator RAT xlsm

abuse_ch

Malspam distributing AveMariaRAT:

HELO: gateway32.websitewelcome.com
Sending IP: 192.185.145.187
From: Income Tax Dept <info@leadersmedica.com>
Subject: Rs 96,310 Tax Payment was deducted From your account
Attachment: Tax Challan.xlsm

AveMariaRAT payload URL:
http://jurec.mx/doc.exe

AveMariaRAT C2:
103.149.13.48:5200

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

TwinWave.EvilDoc.AutoTriggerEvilMrFantasyM1.20200716.UNOFFICIAL

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/389409

Signature

Bypasses PowerShell execution policy

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with hexadecimal encoded strings

Document exploit detected (process start blacklist hit)

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Powershell download file and shellexecute

Suspicious powershell command line found

Tries to download and execute files (via powershell)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5f005ef79f2a337aa3e3537f304316bdb931dffa3cecacadc1cd094c1414bf4f/

Threat name:

Script-Macro.Downloader.Obfuser

Status:

Malicious

First seen:

2020-07-16 07:56:06 UTC

AV detection:

13 of 28 (46.43%)

Threat level:

3/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=l4af5547fizxvi7dkn7taqywxw4tdx72htwkzlobzueuyfaux5hq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

persistence spyware

Link:

https://tria.ge/reports/200716-eyffyzbqms/

Behaviour

NTFS ADS

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Program crash

Suspicious use of SetThreadContext

Adds Run key to start application

JavaScript code in executable

Modifies WinLogon

Loads dropped DLL

Drops startup file

Reads user/profile data of web browsers

Executes dropped EXE

Blacklisted process makes network request

Process spawned unexpected child process

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

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