MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 109c732fb8dab15970fff8c7b9bae65b2f29edd8bef809518ddcaca8bd5ddfbb. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 109c732fb8dab15970fff8c7b9bae65b2f29edd8bef809518ddcaca8bd5ddfbb
SHA3-384 hash: f457db14c89e03f9e04a58ebf79c02a8e8171c0ce9be47b551ce27819ff1d93e8a420ac2584f4cb8f285128c286c73ca
SHA1 hash: 95af4fa6ec93dc33506549369cb45afd24e9fb4a
MD5 hash: 64dec1f99745e0832850745e025df14c
humanhash: harry-autumn-crazy-speaker
File name:New_202017083636353552679474747484.exe
Download: download sample
Signature AveMariaRAT
File size:433'664 bytes
First seen:2020-08-17 08:24:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:H8XXCjkNtkmc+qHGaiXmVET793iL0ndOoxSeaBonvbBVMz6Gx8rbW9/SJ2zwZNks:cXCQ2+qdVw7u5oCMNNGx8WoJ/vAiH
Threatray 745 similar samples on MalwareBazaar
TLSH DB94021375A0CA11C13A263AC996179807F879C7FA51FB7F7CE972AE89913D08640FC6
Reporter abuse_ch
Tags:AveMariaRAT exe Outlook RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: NAM10-MW2-obe.outbound.protection.outlook.com
Sending IP: 40.92.42.104
From: Davy Seepersad <davyseepersad@hotmail.com>
Subject: New order
Attachment: New_202017083636353552679474747484.arj (contains "New_202017083636353552679474747484.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
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
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
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 signatures2 2 Behavior Graph ID: 268747 Sample: New_20201708363635355267947... Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AntiVM_3 2->72 74 7 other signatures 2->74 10 New_202017083636353552679474747484.exe 7 2->10         started        14 images.exe 4 2->14         started        process3 file4 52 C:\Users\user\AppData\...\tXhWzCUQXrWj.exe, PE32 10->52 dropped 54 C:\Users\...\tXhWzCUQXrWj.exe:Zone.Identifier, ASCII 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmp1858.tmp, XML 10->56 dropped 58 New_20201708363635...79474747484.exe.log, ASCII 10->58 dropped 82 Contains functionality to inject threads in other processes 10->82 84 Contains functionality to steal Chrome passwords or cookies 10->84 86 Contains functionality to steal e-mail passwords 10->86 16 New_202017083636353552679474747484.exe 5 5 10->16         started        20 schtasks.exe 1 10->20         started        22 New_202017083636353552679474747484.exe 10->22         started        88 Injects a PE file into a foreign processes 14->88 24 schtasks.exe 1 14->24         started        26 images.exe 14->26         started        signatures5 process6 file7 48 C:\ProgramData\images.exe, PE32 16->48 dropped 50 C:\ProgramData\images.exe:Zone.Identifier, ASCII 16->50 dropped 64 Increases the number of concurrent connection per server for Internet Explorer 16->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->66 28 images.exe 5 16->28         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        signatures8 process9 file10 60 C:\Users\user\AppData\...\images.exe.log, ASCII 28->60 dropped 90 Machine Learning detection for dropped file 28->90 92 Contains functionality to inject threads in other processes 28->92 94 Contains functionality to steal Chrome passwords or cookies 28->94 96 2 other signatures 28->96 36 images.exe 2 28->36         started        40 schtasks.exe 1 28->40         started        signatures11 process12 dnsIp13 62 185.244.30.94, 2626, 49728, 49729 DAVID_CRAIGGG Netherlands 36->62 76 Writes to foreign memory regions 36->76 78 Allocates memory in foreign processes 36->78 80 Creates a thread in another existing process (thread injection) 36->80 42 cmd.exe 1 36->42         started        44 conhost.exe 40->44         started        signatures14 process15 process16 46 conhost.exe 42->46         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-17 08:26:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Executes dropped EXE
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 109c732fb8dab15970fff8c7b9bae65b2f29edd8bef809518ddcaca8bd5ddfbb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments