MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbb5497c5d601412b10a84d8b7ee9d5834a49fb32aa2763f17b772a7f4acdac5. 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 6 File information Comments

SHA256 hash: dbb5497c5d601412b10a84d8b7ee9d5834a49fb32aa2763f17b772a7f4acdac5
SHA3-384 hash: c31a96e5c9c1da387ad9eed5eb122dec6215cd7ef258b8c3d7847a510a9bf12525a071f3d61647a97c4eeb14f566ba69
SHA1 hash: 034bbbca09ea28c0baf51a455b2f71256f9b22b0
MD5 hash: 422b6d0c392c28680334bec495784949
humanhash: hydrogen-lithium-louisiana-delta
File name:dbb5497c5d601412b10a84d8b7ee9d5834a49fb32aa2763f17b772a7f4acdac5
Download: download sample
Signature AveMariaRAT
File size:3'015'298 bytes
First seen:2020-11-10 11:40:53 UTC
Last seen:2024-07-24 22:08:10 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:lPV7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHh:lPV7A3mw4gxeOw46fUbNecCCFbNeco
Threatray 3'764 similar samples on MalwareBazaar
TLSH CAD59EC2E45A955FE61BB572A94F2B23D147BD7A9306AB2B3724DF0E94C3243914330B
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Unauthorized injection to a system process
Enabling autorun by 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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
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 dnsIp2 2 Behavior Graph ID: 313387 Sample: EKTIrjyLPv Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 120 cdn.onenote.net 2->120 134 Antivirus detection for dropped file 2->134 136 Antivirus / Scanner detection for submitted sample 2->136 138 Yara detected AveMaria stealer 2->138 140 5 other signatures 2->140 14 EKTIrjyLPv.exe 2->14         started        17 svchost.exe 9 1 2->17         started        20 wscript.exe 2->20         started        22 6 other processes 2->22 signatures3 process4 dnsIp5 186 Detected unpacking (changes PE section rights) 14->186 188 Detected unpacking (creates a PE file in dynamic memory) 14->188 190 Detected unpacking (overwrites its own PE header) 14->190 192 4 other signatures 14->192 24 EKTIrjyLPv.exe 1 51 14->24         started        27 cmd.exe 2 14->27         started        116 127.0.0.1 unknown unknown 17->116 118 192.168.2.1 unknown unknown 20->118 signatures6 process7 signatures8 158 Spreads via windows shares (copies files to share folders) 24->158 160 Writes to foreign memory regions 24->160 162 Allocates memory in foreign processes 24->162 168 2 other signatures 24->168 29 EKTIrjyLPv.exe 1 3 24->29         started        33 diskperf.exe 5 24->33         started        164 Command shell drops VBS files 27->164 166 Drops VBS files to the startup folder 27->166 35 conhost.exe 27->35         started        process9 file10 98 C:\Windows\System\explorer.exe, PE32 29->98 dropped 194 Installs a global keyboard hook 29->194 37 explorer.exe 29->37         started        100 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 33->100 dropped 102 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 33->102 dropped 104 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 33->104 dropped 40 StikyNot.exe 33->40         started        42 StikyNot.exe 35->42         started        44 conhost.exe 35->44         started        signatures11 process12 signatures13 142 Antivirus detection for dropped file 37->142 144 Detected unpacking (changes PE section rights) 37->144 146 Detected unpacking (overwrites its own PE header) 37->146 156 2 other signatures 37->156 46 explorer.exe 47 37->46         started        50 cmd.exe 1 37->50         started        148 Detected unpacking (creates a PE file in dynamic memory) 40->148 150 Machine Learning detection for dropped file 40->150 152 Tries to detect sandboxes / dynamic malware analysis system (file name check) 40->152 52 StikyNot.exe 46 40->52         started        54 cmd.exe 1 40->54         started        154 Injects a PE file into a foreign processes 42->154 56 StikyNot.exe 42->56         started        58 cmd.exe 42->58         started        process14 file15 112 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 46->112 dropped 114 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 46->114 dropped 204 Injects code into the Windows Explorer (explorer.exe) 46->204 206 Spreads via windows shares (copies files to share folders) 46->206 208 Writes to foreign memory regions 46->208 60 explorer.exe 3 17 46->60         started        65 diskperf.exe 46->65         started        67 conhost.exe 50->67         started        210 Allocates memory in foreign processes 52->210 212 Injects a PE file into a foreign processes 52->212 69 StikyNot.exe 52->69         started        71 diskperf.exe 52->71         started        214 Sample uses process hollowing technique 56->214 73 conhost.exe 58->73         started        signatures16 process17 dnsIp18 122 vccmd03.googlecode.com 60->122 124 vccmd02.googlecode.com 60->124 126 4 other IPs or domains 60->126 106 C:\Windows\System\spoolsv.exe, PE32 60->106 dropped 108 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 60->108 dropped 196 System process connects to network (likely due to code injection or exploit) 60->196 198 Creates an undocumented autostart registry key 60->198 200 Installs a global keyboard hook 60->200 75 spoolsv.exe 60->75         started        78 spoolsv.exe 60->78         started        110 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 65->110 dropped 202 Drops executables to the windows directory (C:\Windows) and starts them 69->202 80 explorer.exe 69->80         started        file19 signatures20 process21 signatures22 170 Antivirus detection for dropped file 75->170 172 Detected unpacking (changes PE section rights) 75->172 174 Detected unpacking (creates a PE file in dynamic memory) 75->174 176 Machine Learning detection for dropped file 75->176 82 spoolsv.exe 75->82         started        85 cmd.exe 75->85         started        178 Tries to detect sandboxes / dynamic malware analysis system (file name check) 78->178 180 Drops executables to the windows directory (C:\Windows) and starts them 78->180 182 Injects a PE file into a foreign processes 78->182 87 spoolsv.exe 78->87         started        89 cmd.exe 78->89         started        184 Sample uses process hollowing technique 80->184 process23 file24 128 Spreads via windows shares (copies files to share folders) 82->128 130 Sample uses process hollowing technique 82->130 132 Injects a PE file into a foreign processes 82->132 92 conhost.exe 85->92         started        96 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 89->96 dropped 94 conhost.exe 89->94         started        signatures25 process26
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-11 00:09:29 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
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
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
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: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: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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