MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dab43c2fb08b038593931c2db3095efb6ae3fe71d663129c6f94091cb6c1d14e. 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 11 File information Comments

SHA256 hash: dab43c2fb08b038593931c2db3095efb6ae3fe71d663129c6f94091cb6c1d14e
SHA3-384 hash: 176d73cd9607737839d018321624a344c84a507979744519981ffa5de0d69b47e9ca8a2a7e48f5b1a80a41e058c0c13d
SHA1 hash: ee28863b82ea3f9033e89c901b80c7c4f88624d9
MD5 hash: 8f92b0ce90702e64b39b49089e5c786d
humanhash: saturn-cup-eleven-apart
File name:8f92b0ce90702e64b39b49089e5c786d.exe
Download: download sample
Signature AveMariaRAT
File size:635'904 bytes
First seen:2020-10-27 15:15:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'450 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:hBnUAiTXdnOCMqJmRJJmXNSg9IFn+SGxrzU0Wd0rIa325Nrc1HX4sG95vHcpZJfe:J0AwI0b9CsUrd0MVc1osG9NHkJ2jN
Threatray 935 similar samples on MalwareBazaar
TLSH 0DD47C527A808580F1653A3BC96AC2549BF46F005593C32EE8FF339B1E73B6AF4055E6
Reporter abuse_ch
Tags:AveMariaRAT exe nVpn RAT


Avatar
abuse_ch
AveMariaRAT C2:
185.140.53.154:6234

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the Windows subdirectories
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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: 306069 Sample: 9ieQE1S5ZH.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for dropped file 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 10 other signatures 2->79 9 9ieQE1S5ZH.exe 8 2->9         started        13 images.exe 2->13         started        process3 file4 53 C:\Users\user\AppData\Roaming\urxOdIim.exe, PE32 9->53 dropped 55 C:\Users\user\AppData\Local\...\tmpA4BD.tmp, XML 9->55 dropped 81 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->81 83 Contains functionality to inject threads in other processes 9->83 85 Contains functionality to steal Chrome passwords or cookies 9->85 87 Contains functionality to steal e-mail passwords 9->87 15 9ieQE1S5ZH.exe 5 5 9->15         started        19 schtasks.exe 1 9->19         started        89 Injects a PE file into a foreign processes 13->89 21 images.exe 13->21         started        24 schtasks.exe 13->24         started        signatures5 process6 dnsIp7 57 C:\ProgramData\images.exe, PE32 15->57 dropped 61 Adds a directory exclusion to Windows Defender 15->61 63 Increases the number of concurrent connection per server for Internet Explorer 15->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->65 26 images.exe 5 15->26         started        29 powershell.exe 24 15->29         started        31 WerFault.exe 23 11 15->31         started        33 conhost.exe 19->33         started        59 185.140.53.154, 49738, 49741, 49747 DAVID_CRAIGGG Sweden 21->59 67 Writes to foreign memory regions 21->67 69 Allocates memory in foreign processes 21->69 71 Creates a thread in another existing process (thread injection) 21->71 35 powershell.exe 21->35         started        37 cmd.exe 21->37         started        39 conhost.exe 24->39         started        file8 signatures9 process10 signatures11 91 Multi AV Scanner detection for dropped file 26->91 93 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->93 95 Machine Learning detection for dropped file 26->95 97 4 other signatures 26->97 41 schtasks.exe 26->41         started        43 images.exe 26->43         started        45 conhost.exe 29->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        process12 process13 51 conhost.exe 41->51         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-27 02:00:47 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Loads dropped DLL
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Warzone RAT Payload
ServiceHost packer
WarzoneRat, AveMaria
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Stealer_word_in_memory
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria
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.

Web download

AveMariaRAT

Executable exe dab43c2fb08b038593931c2db3095efb6ae3fe71d663129c6f94091cb6c1d14e

(this sample)

  
Delivery method
Distributed via web download

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