MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4159a61a7c0571bee10a33f8d05ef51de606960476f66a00efcced87680be615. 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 7 File information Comments

SHA256 hash: 4159a61a7c0571bee10a33f8d05ef51de606960476f66a00efcced87680be615
SHA3-384 hash: 7211844b23d1ad65cdf4e1f255d54141dc384c96f592b2d083f7c5851c1f147a4566016c6af5e25f6ee56dac90901424
SHA1 hash: 9643ae9b738a25e14eb3219898e07971d3841d2d
MD5 hash: 7b73397a8f9b8cf29d49b470e2b8ffc0
humanhash: batman-fish-neptune-tango
File name:INV_9548.exe
Download: download sample
Signature AveMariaRAT
File size:520'505 bytes
First seen:2020-08-16 13:49:04 UTC
Last seen:2020-08-16 15:07:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc54d6046aaa5fd04b2745da951659c0 (2 x ModiLoader, 1 x AveMariaRAT)
ssdeep 12288:mEOW8V+qvvRCdmLHXq8ylOnHPStDcisHn5xMJj:XvhqvvRCiHXqXK6tDRU
Threatray 440 similar samples on MalwareBazaar
TLSH B0B48E27F6E04933D12B1579ACCB97AC6835BE103D289D8B2BE52E4C4F38781752E197
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: spfilter-1.mschosting.com
Sending IP: 110.4.40.150
From: Toh Theam Hock & Co (Taiping) <tthco@tohth.com>
Subject: Re: Revised invoice
Attachment: INV_9548.rar (contains "INV_9548.exe")

AveMariaRAT C2:
marchelexa.hopto.org:3720 (46.38.151.248)

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Connection attempt
Setting a single autorun event
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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)
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)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267899 Sample: INV_9548.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AveMaria stealer 2->49 51 Contains functionality to hide user accounts 2->51 53 4 other signatures 2->53 6 INV_9548.exe 1 15 2->6         started        11 Ghpdsec.exe 14 2->11         started        13 Ghpdsec.exe 14 2->13         started        process3 dnsIp4 25 googlehosted.l.googleusercontent.com 172.217.168.33, 443, 49721, 49737 GOOGLEUS United States 6->25 27 discord.com 162.159.136.232, 443, 49719, 49735 CLOUDFLARENETUS United States 6->27 29 doc-04-60-docs.googleusercontent.com 6->29 23 C:\Users\user\AppData\Localbehaviorgraphhpdsec.exe, PE32 6->23 dropped 55 Writes to foreign memory regions 6->55 57 Allocates memory in foreign processes 6->57 59 Injects a PE file into a foreign processes 6->59 15 ieinstal.exe 3 2 6->15         started        31 162.159.128.233, 443, 49741 CLOUDFLARENETUS United States 11->31 33 doc-04-4c-docs.googleusercontent.com 11->33 19 ieinstal.exe 1 11->19         started        35 doc-04-4c-docs.googleusercontent.com 13->35 61 Machine Learning detection for dropped file 13->61 21 ieinstal.exe 13->21         started        file5 signatures6 process7 dnsIp8 37 197.210.85.59, 3720 VCG-ASNG Nigeria 15->37 39 marchelexa.hopto.org 46.38.151.248, 3720, 49733, 49734 AhouraTelecommunicationCompanyIR United Kingdom 15->39 41 192.168.2.1 unknown unknown 15->41 43 Increases the number of concurrent connection per server for Internet Explorer 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 signatures9
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-08-16 09:45:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
JavaScript code in executable
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
JavaScript code in executable
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of web browsers
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
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:Codoso_Gh0st_1
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
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:RDPWrap
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
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_dbatloader_g0
Author:Slavo Greminger, SWITCH-CERT
Description:targets loader

File information


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

Malspam

AveMariaRAT

Executable exe 4159a61a7c0571bee10a33f8d05ef51de606960476f66a00efcced87680be615

(this sample)

  
Delivery method
Distributed via e-mail attachment

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