MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3785c1c5566cb064532d7573da4d6dc466977ba524ea961b275edfc7eb5cc925. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 3785c1c5566cb064532d7573da4d6dc466977ba524ea961b275edfc7eb5cc925
SHA3-384 hash: 9ac0a970c8eb75a3bd8037d1c1615c09fb0e56055158743d10faf0433a134eb5e7038ce0af56374d548680e73bd86c24
SHA1 hash: f0f00f55f7a05d99a4b63cc32df7e694a55a91fe
MD5 hash: 41be7bff1067ccceecdab9850b54fd5e
humanhash: hamper-fish-juliet-edward
File name:New-PO-9576578-CH-001_Order_Sample_Quotaion,xlxs.exe
Download: download sample
Signature AveMariaRAT
File size:462'848 bytes
First seen:2020-08-06 06:35:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:UHsPOxYDghQCgOREprjVulMQZ48ZNRZ8+x8/tNGGpiDmrKXJShOANslySWbnvB:UNkg/X9lZZ5Yt1NTiDvJqOQAySWr
Threatray 443 similar samples on MalwareBazaar
TLSH C0A4C0003B949A03C7398F7B4A61516146B1EE1E6E22E29B7FC4329F587E7F80511BE7
Reporter abuse_ch
Tags:AveMariaRAT exe geo KOR RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: mail-smail-vm41.hanmail.net
Sending IP: 203.133.180.229
From: 천사 <hylee30802@daum.net>
Subject: 새로운 구매 주수/샘플 및 사양
Attachment: New-PO-9576578-CH-001_Order_Sample_Quotaion,xlxs.7z (contains "New-PO-9576578-CH-001_Order_Sample_Quotaion,xlxs.exe")

AveMariaRAT C2:
54369253290033.sytes.net

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
DNS request
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Creates a thread in another existing process (thread injection)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 258384 Sample: New-PO-9576578-CH-001_Order... Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 38 54369253290033.sytes.net 2->38 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Yara detected AntiVM_3 2->48 50 7 other signatures 2->50 9 New-PO-9576578-CH-001_Order_Sample_Quotaion,xlxs.exe 7 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\RoamingiCnRh.exe, PE32 9->30 dropped 32 C:\Users\user\...iCnRh.exe:Zone.Identifier, ASCII 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmpD02B.tmp, XML 9->34 dropped 36 New-PO-9576578-CH-...otaion,xlxs.exe.log, ASCII 9->36 dropped 52 Contains functionality to inject threads in other processes 9->52 54 Contains functionality to steal Chrome passwords or cookies 9->54 56 Contains functionality to steal e-mail passwords 9->56 58 Injects a PE file into a foreign processes 9->58 13 New-PO-9576578-CH-001_Order_Sample_Quotaion,xlxs.exe 3 2 9->13         started        17 schtasks.exe 1 9->17         started        signatures6 process7 dnsIp8 42 54369253290033.sytes.net 13->42 60 Writes to foreign memory regions 13->60 62 Allocates memory in foreign processes 13->62 64 Increases the number of concurrent connection per server for Internet Explorer 13->64 66 2 other signatures 13->66 19 powershell.exe 25 13->19         started        22 cmd.exe 1 13->22         started        24 conhost.exe 17->24         started        signatures9 process10 dnsIp11 40 192.168.2.1 unknown unknown 19->40 26 conhost.exe 19->26         started        28 conhost.exe 22->28         started        process12
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-06 04:32:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
ServiceHost packer
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

File information


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

Malspam

AveMariaRAT

Executable exe 3785c1c5566cb064532d7573da4d6dc466977ba524ea961b275edfc7eb5cc925

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments