MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28dea672f0838ab7ddb990da50f77b3cfdc6dde4ba543754e830e39b262d7d3a. 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 13 File information Comments

SHA256 hash: 28dea672f0838ab7ddb990da50f77b3cfdc6dde4ba543754e830e39b262d7d3a
SHA3-384 hash: b07c3aab477fb6add46f2eddc67fc4bfa3aa77ddfc632a6421a4e6404411636264fca95be545c0184c9d3e0a9edaf04b
SHA1 hash: 7136b7dd8226c488f87eb0f3b3859e2838a9de1a
MD5 hash: d8596dcd1e0684c49dfa67678d3fccdc
humanhash: juliet-solar-mobile-vermont
File name:d8596dcd1e0684c49dfa67678d3fccdc.exe
Download: download sample
Signature AveMariaRAT
File size:1'468'416 bytes
First seen:2020-11-09 07:39:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:yyAAWXmjxWC7vXgyE8WNqEYRILhI/im289QUS6:y8lfrEvNAiLhGii
TLSH 7665C59D3260B6EFC857CD769A681C24FBA078BA830BE243D05716ED994E657CF140F2
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-EU
country: EU
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: 2020-11-06T23:02:44Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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)
Detected unpacking (creates a PE file in dynamic memory)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Installs a global keyboard hook
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
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: 312070 Sample: 3z4ibRIdCl.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for dropped file 2->78 80 Sigma detected: Scheduled temp file as task from temp location 2->80 82 10 other signatures 2->82 10 3z4ibRIdCl.exe 7 2->10         started        14 windows.exe 4 2->14         started        process3 file4 58 C:\Users\user\AppData\Roaming\YnSVQDZWF.exe, PE32 10->58 dropped 60 C:\Users\...\YnSVQDZWF.exe:Zone.Identifier, ASCII 10->60 dropped 62 C:\Users\user\AppData\Local\...\tmp4145.tmp, XML 10->62 dropped 64 C:\Users\user\AppData\...\3z4ibRIdCl.exe.log, ASCII 10->64 dropped 92 Contains functionality to inject threads in other processes 10->92 94 Contains functionality to steal Chrome passwords or cookies 10->94 96 Contains functionality to steal e-mail passwords 10->96 16 3z4ibRIdCl.exe 5 5 10->16         started        20 schtasks.exe 1 10->20         started        22 schtasks.exe 14->22         started        24 windows.exe 14->24         started        signatures5 process6 file7 54 C:\ProgramData\windows.exe, PE32 16->54 dropped 56 C:\ProgramData\windows.exe:Zone.Identifier, ASCII 16->56 dropped 70 Adds a directory exclusion to Windows Defender 16->70 72 Increases the number of concurrent connection per server for Internet Explorer 16->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->74 26 windows.exe 5 16->26         started        30 powershell.exe 24 16->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        signatures8 process9 file10 66 C:\Users\user\AppData\...\windows.exe.log, ASCII 26->66 dropped 98 Multi AV Scanner detection for dropped file 26->98 100 Detected unpacking (creates a PE file in dynamic memory) 26->100 102 Machine Learning detection for dropped file 26->102 104 3 other signatures 26->104 36 windows.exe 26->36         started        40 schtasks.exe 26->40         started        42 conhost.exe 32->42         started        signatures11 process12 dnsIp13 68 185.140.53.154, 49727, 6234 DAVID_CRAIGGG Sweden 36->68 84 Writes to foreign memory regions 36->84 86 Allocates memory in foreign processes 36->86 88 Adds a directory exclusion to Windows Defender 36->88 90 2 other signatures 36->90 44 powershell.exe 36->44         started        46 cmd.exe 36->46         started        48 conhost.exe 40->48         started        signatures14 process15 process16 50 conhost.exe 44->50         started        52 conhost.exe 46->52         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-09 03:20:32 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
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:AveMaria_WarZone
Rule name:ave_maria_warzone_rat
Author:jeFF0Falltrades
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 28dea672f0838ab7ddb990da50f77b3cfdc6dde4ba543754e830e39b262d7d3a

(this sample)

  
Delivery method
Distributed via web download

Comments