MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b4a220db44ce111f5eadc99e7802cacd73f59c0ca68e77f3e3e40aa403d6907. 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 6 File information Comments

SHA256 hash: 9b4a220db44ce111f5eadc99e7802cacd73f59c0ca68e77f3e3e40aa403d6907
SHA3-384 hash: e1c28f5c28180472e3fa6c80ee8f79f15aa5a02e354ffe468212adffc6059e29de2688869ffee877ae4b3f7349bb1dfe
SHA1 hash: ba0519f69100c3ccf28bdb97640e2034960eedf4
MD5 hash: 9052c3aa02efaaef42900489ce6e16cd
humanhash: winner-rugby-football-wolfram
File name:9b4a220db44ce111f5eadc99e7802cacd73f59c0ca68e77f3e3e40aa403d6907
Download: download sample
Signature AveMariaRAT
File size:3'015'474 bytes
First seen:2020-11-12 14:41:18 UTC
Last seen:2024-07-24 19:33:52 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:t1T7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHi:t1T7A3mw4gxeOw46fUbNecCCFbNecn
Threatray 3'864 similar samples on MalwareBazaar
TLSH 59D59EEFBF9A8067D73B65F2A10F1A709249FC799301732BAF782D0968532958183747
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
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
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
Forced shutdown of a system process
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
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
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: 315641 Sample: YhNdnQhLYr Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 151 Antivirus detection for dropped file 2->151 153 Antivirus / Scanner detection for submitted sample 2->153 155 Multi AV Scanner detection for submitted file 2->155 157 6 other signatures 2->157 14 YhNdnQhLYr.exe 2->14         started        17 svchost.exe 1 2->17         started        process3 signatures4 203 Detected unpacking (changes PE section rights) 14->203 205 Detected unpacking (creates a PE file in dynamic memory) 14->205 207 Detected unpacking (overwrites its own PE header) 14->207 209 5 other signatures 14->209 19 YhNdnQhLYr.exe 1 51 14->19         started        22 cmd.exe 2 14->22         started        process5 signatures6 159 Spreads via windows shares (copies files to share folders) 19->159 161 Writes to foreign memory regions 19->161 163 Allocates memory in foreign processes 19->163 169 2 other signatures 19->169 24 YhNdnQhLYr.exe 1 3 19->24         started        28 diskperf.exe 5 19->28         started        165 Command shell drops VBS files 22->165 167 Drops VBS files to the startup folder 22->167 30 conhost.exe 22->30         started        process7 file8 113 C:\Windows\System\explorer.exe, PE32 24->113 dropped 197 Installs a global keyboard hook 24->197 32 explorer.exe 24->32         started        115 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 28->115 dropped 117 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 28->117 dropped 119 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 28->119 dropped 35 StikyNot.exe 28->35         started        signatures9 process10 signatures11 131 Antivirus detection for dropped file 32->131 133 Detected unpacking (changes PE section rights) 32->133 135 Detected unpacking (creates a PE file in dynamic memory) 32->135 143 3 other signatures 32->143 37 explorer.exe 47 32->37         started        41 cmd.exe 1 32->41         started        137 Detected unpacking (overwrites its own PE header) 35->137 139 Machine Learning detection for dropped file 35->139 141 Tries to detect sandboxes / dynamic malware analysis system (file name check) 35->141 43 StikyNot.exe 46 35->43         started        45 cmd.exe 1 35->45         started        process12 file13 109 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 37->109 dropped 111 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 37->111 dropped 171 Injects code into the Windows Explorer (explorer.exe) 37->171 173 Spreads via windows shares (copies files to share folders) 37->173 175 Writes to foreign memory regions 37->175 177 Allocates memory in foreign processes 37->177 47 explorer.exe 3 17 37->47         started        52 diskperf.exe 37->52         started        54 conhost.exe 41->54         started        179 Injects a PE file into a foreign processes 43->179 56 StikyNot.exe 43->56         started        58 diskperf.exe 43->58         started        60 conhost.exe 45->60         started        signatures14 process15 dnsIp16 125 vccmd03.googlecode.com 47->125 127 vccmd02.googlecode.com 47->127 129 5 other IPs or domains 47->129 105 C:\Windows\System\spoolsv.exe, PE32 47->105 dropped 107 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 47->107 dropped 145 System process connects to network (likely due to code injection or exploit) 47->145 147 Creates an undocumented autostart registry key 47->147 149 Installs a global keyboard hook 47->149 62 spoolsv.exe 47->62         started        65 spoolsv.exe 47->65         started        67 spoolsv.exe 47->67         started        69 explorer.exe 56->69         started        file17 signatures18 process19 signatures20 211 Antivirus detection for dropped file 62->211 213 Detected unpacking (changes PE section rights) 62->213 215 Detected unpacking (overwrites its own PE header) 62->215 217 Machine Learning detection for dropped file 62->217 71 spoolsv.exe 62->71         started        74 cmd.exe 62->74         started        219 Tries to detect sandboxes / dynamic malware analysis system (file name check) 65->219 221 Drops executables to the windows directory (C:\Windows) and starts them 65->221 223 Injects a PE file into a foreign processes 65->223 76 spoolsv.exe 65->76         started        78 cmd.exe 65->78         started        81 spoolsv.exe 67->81         started        83 cmd.exe 67->83         started        225 Injects code into the Windows Explorer (explorer.exe) 69->225 85 explorer.exe 69->85         started        87 cmd.exe 69->87         started        process21 file22 187 Spreads via windows shares (copies files to share folders) 71->187 189 Writes to foreign memory regions 71->189 191 Allocates memory in foreign processes 71->191 89 spoolsv.exe 71->89         started        92 diskperf.exe 71->92         started        94 conhost.exe 74->94         started        121 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 78->121 dropped 96 conhost.exe 78->96         started        123 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 81->123 dropped 193 Sample uses process hollowing technique 81->193 195 Injects a PE file into a foreign processes 81->195 98 conhost.exe 83->98         started        100 conhost.exe 87->100         started        signatures23 process24 signatures25 199 Drops executables to the windows directory (C:\Windows) and starts them 89->199 201 Installs a global keyboard hook 89->201 102 explorer.exe 89->102         started        process26 signatures27 181 Tries to detect sandboxes / dynamic malware analysis system (file name check) 102->181 183 Sample uses process hollowing technique 102->183 185 Injects a PE file into a foreign processes 102->185
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-12 14:46:01 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
Unpacked files
SH256 hash:
9b4a220db44ce111f5eadc99e7802cacd73f59c0ca68e77f3e3e40aa403d6907
MD5 hash:
9052c3aa02efaaef42900489ce6e16cd
SHA1 hash:
ba0519f69100c3ccf28bdb97640e2034960eedf4
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: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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