MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b872919b64ad541b5787915e92f87931cbf0e58561ec1a865da144f3a11474fb. 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: b872919b64ad541b5787915e92f87931cbf0e58561ec1a865da144f3a11474fb
SHA3-384 hash: de47b0240fa92bd242582925bad314da1c7dec2497f8ea36f788755965ea500dd05e88628f7917409ec1a17098bbbf71
SHA1 hash: 54605e2e4675fe54fb6f946da58969a6d5f21903
MD5 hash: 350c5f08928137a4ec1668154d1e0686
humanhash: fish-eleven-florida-kilo
File name:b872919b64ad541b5787915e92f87931cbf0e58561ec1a865da144f3a11474fb
Download: download sample
Signature AveMariaRAT
File size:3'015'412 bytes
First seen:2020-11-09 21:57:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:lXU7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHT:lXU7A3mw4gxeOw46fUbNecCCFbNece
Threatray 3'284 similar samples on MalwareBazaar
TLSH 46D5AFD779650003FD1BA172210F66194A82EC28D314BBBF1B7F6A4D44D76CBF1AA24B
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
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
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
Contain functionality to detect virtual machines
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
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: 312879 Sample: ue3hIiS0yF Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 147 Antivirus detection for dropped file 2->147 149 Antivirus / Scanner detection for submitted sample 2->149 151 Multi AV Scanner detection for submitted file 2->151 153 6 other signatures 2->153 14 ue3hIiS0yF.exe 2->14         started        17 svchost.exe 1 2->17         started        19 svchost.exe 2->19         started        process3 signatures4 219 Detected unpacking (changes PE section rights) 14->219 221 Detected unpacking (creates a PE file in dynamic memory) 14->221 223 Detected unpacking (overwrites its own PE header) 14->223 225 5 other signatures 14->225 21 ue3hIiS0yF.exe 1 51 14->21         started        24 cmd.exe 14->24         started        process5 signatures6 181 Spreads via windows shares (copies files to share folders) 21->181 183 Writes to foreign memory regions 21->183 185 Allocates memory in foreign processes 21->185 189 2 other signatures 21->189 26 ue3hIiS0yF.exe 1 3 21->26         started        30 diskperf.exe 5 21->30         started        187 Drops VBS files to the startup folder 24->187 32 conhost.exe 24->32         started        process7 file8 109 C:\Windows\System\explorer.exe, PE32 26->109 dropped 217 Installs a global keyboard hook 26->217 34 explorer.exe 26->34         started        111 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 30->111 dropped 113 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 30->113 dropped 115 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 30->115 dropped 37 StikyNot.exe 30->37         started        signatures9 process10 signatures11 155 Antivirus detection for dropped file 34->155 157 Detected unpacking (changes PE section rights) 34->157 159 Detected unpacking (creates a PE file in dynamic memory) 34->159 167 3 other signatures 34->167 39 explorer.exe 47 34->39         started        43 cmd.exe 34->43         started        161 Detected unpacking (overwrites its own PE header) 37->161 163 Machine Learning detection for dropped file 37->163 165 Tries to detect sandboxes / dynamic malware analysis system (file name check) 37->165 45 StikyNot.exe 46 37->45         started        47 cmd.exe 2 37->47         started        process12 file13 105 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 39->105 dropped 107 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 39->107 dropped 195 Injects code into the Windows Explorer (explorer.exe) 39->195 197 Spreads via windows shares (copies files to share folders) 39->197 199 Writes to foreign memory regions 39->199 201 Allocates memory in foreign processes 39->201 49 explorer.exe 3 17 39->49         started        54 diskperf.exe 39->54         started        56 conhost.exe 43->56         started        203 Injects a PE file into a foreign processes 45->203 58 StikyNot.exe 45->58         started        60 diskperf.exe 45->60         started        205 Command shell drops VBS files 47->205 62 conhost.exe 47->62         started        signatures14 process15 dnsIp16 121 vccmd03.googlecode.com 49->121 123 vccmd02.googlecode.com 49->123 127 4 other IPs or domains 49->127 101 C:\Windows\System\spoolsv.exe, PE32 49->101 dropped 103 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 49->103 dropped 175 System process connects to network (likely due to code injection or exploit) 49->175 177 Creates an undocumented autostart registry key 49->177 179 Installs a global keyboard hook 49->179 64 spoolsv.exe 49->64         started        67 spoolsv.exe 49->67         started        69 spoolsv.exe 49->69         started        125 192.168.2.1 unknown unknown 58->125 71 explorer.exe 58->71         started        file17 signatures18 process19 signatures20 129 Antivirus detection for dropped file 64->129 131 Detected unpacking (changes PE section rights) 64->131 133 Detected unpacking (creates a PE file in dynamic memory) 64->133 145 2 other signatures 64->145 73 spoolsv.exe 46 64->73         started        76 cmd.exe 1 64->76         started        135 Tries to detect sandboxes / dynamic malware analysis system (file name check) 67->135 137 Drops executables to the windows directory (C:\Windows) and starts them 67->137 139 Injects a PE file into a foreign processes 67->139 78 spoolsv.exe 67->78         started        81 cmd.exe 67->81         started        141 Sample uses process hollowing technique 69->141 143 Injects code into the Windows Explorer (explorer.exe) 71->143 83 explorer.exe 71->83         started        85 cmd.exe 71->85         started        process21 file22 207 Spreads via windows shares (copies files to share folders) 73->207 209 Writes to foreign memory regions 73->209 211 Allocates memory in foreign processes 73->211 87 spoolsv.exe 73->87         started        90 diskperf.exe 73->90         started        92 conhost.exe 76->92         started        117 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 78->117 dropped 213 Sample uses process hollowing technique 78->213 215 Injects a PE file into a foreign processes 78->215 94 conhost.exe 81->94         started        119 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 85->119 dropped 96 conhost.exe 85->96         started        signatures23 process24 signatures25 191 Drops executables to the windows directory (C:\Windows) and starts them 87->191 193 Installs a global keyboard hook 87->193 98 explorer.exe 87->98         started        process26 signatures27 169 Tries to detect sandboxes / dynamic malware analysis system (file name check) 98->169 171 Sample uses process hollowing technique 98->171 173 Injects a PE file into a foreign processes 98->173
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-09 22:39:17 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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