MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52e8ebb47ae631081c6ac0ab78219951e8c7ac540e11b420e92d5df89ea719d7. 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 13 File information Comments

SHA256 hash: 52e8ebb47ae631081c6ac0ab78219951e8c7ac540e11b420e92d5df89ea719d7
SHA3-384 hash: c33b0f3d96d5abde3576294530f5f2bfb233daa9454930ec43597a44eccc7484f299d5c5f76fbd302670c4249d116950
SHA1 hash: da990a7461476a3d1803daf3057844ed004af7de
MD5 hash: a840493ad47ac7942f31405c748f5980
humanhash: equal-mirror-helium-music
File name:Document.scr
Download: download sample
Signature AveMariaRAT
File size:132'608 bytes
First seen:2020-10-19 10:22:00 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 3072:UpxUZwhrsrZpeXrYYYYYYYYYp3491ljXH/GTem279Cto:SUUrsroQ43Ct
Threatray 489 similar samples on MalwareBazaar
TLSH 4CD34F0272E5801AFBF72AB245FF582026F23DDFA575C20D22C2775D0EE3711496AB66
Reporter abuse_ch
Tags:AveMariaRAT RAT scr


Avatar
abuse_ch
AveMariaRAT C2:
128.199.2.90:1022

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Adding an access-denied ACE
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a keyboard event handler
Creating a file in the Program Files subdirectories
Launching a service
Loading a system driver
Creating a file
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Forced shutdown of a system process
Enabling autorun by creating a file
Enabling autorun
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
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 an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files to the startup folder
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Hides user accounts
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
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300066 Sample: Document.scr Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for dropped file 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 11 other signatures 2->73 7 Document.exe 18 4 2->7         started        12 Document.exe 2 2->12         started        14 Document.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 59 www.google.it 172.217.168.67 GOOGLEUS United States 7->59 61 hastebin.com 172.67.143.180, 443, 49719, 49731 CLOUDFLARENETUS United States 7->61 51 C:\Users\user\AppData\...\Document.exe, PE32 7->51 dropped 53 C:\Users\...\Document.exe:Zone.Identifier, ASCII 7->53 dropped 83 Detected unpacking (creates a PE file in dynamic memory) 7->83 85 Creates an undocumented autostart registry key 7->85 87 Creates autostart registry keys with suspicious names 7->87 93 6 other signatures 7->93 18 Document.exe 8 9 7->18         started        23 WerFault.exe 23 9 7->23         started        25 timeout.exe 1 7->25         started        27 Document.exe 7->27         started        63 104.24.127.89, 443, 49725 CLOUDFLARENETUS United States 12->63 65 192.168.2.1 unknown unknown 12->65 89 Hides threads from debuggers 12->89 91 Injects a PE file into a foreign processes 12->91 29 WerFault.exe 12->29         started        31 timeout.exe 1 12->31         started        35 4 other processes 12->35 37 3 other processes 14->37 33 timeout.exe 16->33         started        file5 signatures6 process7 dnsIp8 55 128.199.2.90, 1022, 49722 UCCS-UNIVERSITY-OF-COLORADO-COLORADO-SPRINGSUS United Kingdom 18->55 45 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 18->45 dropped 75 Hides user accounts 18->75 77 Tries to steal Mail credentials (via file access) 18->77 79 Tries to harvest and steal browser information (history, passwords, etc) 18->79 81 3 other signatures 18->81 47 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->47 dropped 39 conhost.exe 25->39         started        57 13.88.21.125 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->57 49 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 29->49 dropped 41 conhost.exe 31->41         started        43 conhost.exe 37->43         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Status:
Malicious
First seen:
2020-10-19 01:02:46 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
rat persistence spyware infostealer family:warzonerat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
JavaScript code in executable
Modifies WinLogon
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Sets DLL path for service in the registry
Warzone RAT Payload
Modifies WinLogon for persistence
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
52e8ebb47ae631081c6ac0ab78219951e8c7ac540e11b420e92d5df89ea719d7
MD5 hash:
a840493ad47ac7942f31405c748f5980
SHA1 hash:
da990a7461476a3d1803daf3057844ed004af7de
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
Rule name:win_malumpos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Malspam

AveMariaRAT

Executable exe 52e8ebb47ae631081c6ac0ab78219951e8c7ac540e11b420e92d5df89ea719d7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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