MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8f2a68e36a27ecbc1da3d81138ae1d62928760eb2a8b41b81a740a848e65040. 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 7 File information Comments

SHA256 hash: b8f2a68e36a27ecbc1da3d81138ae1d62928760eb2a8b41b81a740a848e65040
SHA3-384 hash: 7b3398e48b0081fd3c1ef97e5b61b5c7fe6342817f06c2269c98f52c36e02cb58463edf7f0c4de009a5dcdefdf325a46
SHA1 hash: f84307e91ff355f33bc23ea6682474ec427a75a1
MD5 hash: 13998983fa1f43cb55d15756b027d0b3
humanhash: fifteen-arkansas-social-kentucky
File name:b8f2a68e36a27ecbc1da3d81138ae1d62928760eb2a8b41b81a740a848e65040
Download: download sample
Signature AveMariaRAT
File size:3'024'561 bytes
First seen:2020-11-12 14:35:09 UTC
Last seen:2024-07-24 20:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:W/P7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eH9:W/P7AAmw4gxeOw46fUbNecCCFbNecy
Threatray 3'868 similar samples on MalwareBazaar
TLSH 91E5BFD27E570D8BE37AE436CE1F6220E9D43F7D464027D67B396A0192D36C0A19368B
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
56
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
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
Creating a file in the mass storage device
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Unauthorized injection to a system process
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Command shell drops VBS files
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: System File Execution Location Anomaly
Spreads via windows shares (copies files to share folders)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315863 Sample: ueVRdqAeBa Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 114 Antivirus detection for dropped file 2->114 116 Antivirus / Scanner detection for submitted sample 2->116 118 Multi AV Scanner detection for submitted file 2->118 120 6 other signatures 2->120 13 ueVRdqAeBa.exe 2->13         started        16 svchost.exe 2->16         started        18 svchost.exe 9 1 2->18         started        21 8 other processes 2->21 process3 dnsIp4 170 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->170 172 Contains functionality to inject code into remote processes 13->172 174 Drops PE files with benign system names 13->174 176 Injects a PE file into a foreign processes 13->176 23 ueVRdqAeBa.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        178 Changes security center settings (notifications, updates, antivirus, firewall) 16->178 104 127.0.0.1 unknown unknown 18->104 106 192.168.2.1 unknown unknown 18->106 signatures5 process6 signatures7 144 Spreads via windows shares (copies files to share folders) 23->144 146 Writes to foreign memory regions 23->146 148 Allocates memory in foreign processes 23->148 154 2 other signatures 23->154 28 diskperf.exe 5 23->28         started        30 ueVRdqAeBa.exe 1 3 23->30         started        150 Command shell drops VBS files 26->150 152 Drops VBS files to the startup folder 26->152 34 conhost.exe 26->34         started        process8 file9 36 StikyNot.exe 28->36         started        102 C:\Windows\System\explorer.exe, PE32 30->102 dropped 186 Installs a global keyboard hook 30->186 39 explorer.exe 30->39         started        signatures10 process11 signatures12 134 Antivirus detection for dropped file 36->134 136 Machine Learning detection for dropped file 36->136 138 Tries to detect sandboxes / dynamic malware analysis system (file name check) 36->138 140 Injects a PE file into a foreign processes 36->140 41 StikyNot.exe 49 36->41         started        44 cmd.exe 1 36->44         started        142 Drops PE files with benign system names 39->142 46 cmd.exe 1 39->46         started        48 explorer.exe 39->48         started        process13 signatures14 156 Spreads via windows shares (copies files to share folders) 41->156 158 Writes to foreign memory regions 41->158 160 Allocates memory in foreign processes 41->160 162 Injects a PE file into a foreign processes 41->162 50 StikyNot.exe 2 41->50         started        53 diskperf.exe 4 41->53         started        56 conhost.exe 44->56         started        58 conhost.exe 46->58         started        process15 file16 122 Installs a global keyboard hook 50->122 60 explorer.exe 50->60         started        90 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 53->90 dropped 92 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 53->92 dropped 94 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 53->94 dropped 96 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 53->96 dropped 63 StikyNot.exe 53->63         started        signatures17 process18 signatures19 164 Tries to detect sandboxes / dynamic malware analysis system (file name check) 60->164 166 Injects code into the Windows Explorer (explorer.exe) 60->166 168 Injects a PE file into a foreign processes 60->168 65 explorer.exe 60->65         started        69 cmd.exe 1 60->69         started        71 StikyNot.exe 63->71         started        73 cmd.exe 63->73         started        process20 file21 84 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 65->84 dropped 86 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 65->86 dropped 124 Injects code into the Windows Explorer (explorer.exe) 65->124 126 Drops executables to the windows directory (C:\Windows) and starts them 65->126 128 Spreads via windows shares (copies files to share folders) 65->128 75 explorer.exe 65->75         started        88 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 69->88 dropped 80 conhost.exe 69->80         started        130 Sample uses process hollowing technique 71->130 132 Injects a PE file into a foreign processes 71->132 82 conhost.exe 73->82         started        signatures22 process23 dnsIp24 108 vccmd03.googlecode.com 75->108 110 vccmd02.googlecode.com 75->110 112 4 other IPs or domains 75->112 98 C:\Windows\System\spoolsv.exe, PE32 75->98 dropped 100 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 75->100 dropped 180 System process connects to network (likely due to code injection or exploit) 75->180 182 Creates an undocumented autostart registry key 75->182 184 Installs a global keyboard hook 75->184 file25 signatures26
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-12 14:39:50 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
UPX packed file
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
b8f2a68e36a27ecbc1da3d81138ae1d62928760eb2a8b41b81a740a848e65040
MD5 hash:
13998983fa1f43cb55d15756b027d0b3
SHA1 hash:
f84307e91ff355f33bc23ea6682474ec427a75a1
Detections:
win_ave_maria_g0
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:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

  
Delivery method
Other

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