MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a00280e6f6b9df358d93f368413e7e9e28d03d04c3861cdbf2dd94fb1ad040f. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 4a00280e6f6b9df358d93f368413e7e9e28d03d04c3861cdbf2dd94fb1ad040f
SHA3-384 hash: c7204c701f177d4ae3bb376ca35782d997e52852e0a1bb5a6a339b45ed06ebfdbd0fdc810efc7956d110f49287eed2d0
SHA1 hash: 35d82e977565e4fdcc8bf284f735496e2516f208
MD5 hash: 4acb5678f3cffb4397d340383dad6e06
humanhash: apart-bakerloo-indigo-beer
File name:4a00280e6f6b9df358d93f368413e7e9e28d03d04c3861cdbf2dd94fb1ad040f
Download: download sample
Signature AveMariaRAT
File size:3'024'654 bytes
First seen:2020-11-15 23:09:43 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 24576:6cV7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHE:6cV7AAmw4gxeOw46fUbNecCCFbNecx
Threatray 4'471 similar samples on MalwareBazaar
TLSH 82E5AEE3793A805BEA1B053BA50FDA10C2F5AC3F6348EF5F2F76356D8453189A44624B
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
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
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
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: 317747 Sample: t5eX9ESPbK Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 121 Antivirus detection for dropped file 2->121 123 Antivirus / Scanner detection for submitted sample 2->123 125 Multi AV Scanner detection for submitted file 2->125 127 6 other signatures 2->127 12 t5eX9ESPbK.exe 2->12         started        15 wscript.exe 1 2->15         started        17 StikyNot.exe 2->17         started        19 6 other processes 2->19 process3 dnsIp4 195 Tries to detect sandboxes / dynamic malware analysis system (file name check) 12->195 197 Contain functionality to detect virtual machines 12->197 199 Contains functionality to inject code into remote processes 12->199 201 Drops PE files with benign system names 12->201 22 t5eX9ESPbK.exe 1 51 12->22         started        25 cmd.exe 2 12->25         started        27 t5eX9ESPbK.exe 15->27         started        203 Injects a PE file into a foreign processes 17->203 29 StikyNot.exe 17->29         started        31 cmd.exe 17->31         started        113 127.0.0.1 unknown unknown 19->113 signatures5 process6 signatures7 147 Spreads via windows shares (copies files to share folders) 22->147 149 Writes to foreign memory regions 22->149 151 Allocates memory in foreign processes 22->151 153 Sample is not signed and drops a device driver 22->153 33 t5eX9ESPbK.exe 1 3 22->33         started        37 diskperf.exe 5 22->37         started        155 Command shell drops VBS files 25->155 157 Drops VBS files to the startup folder 25->157 39 conhost.exe 25->39         started        159 Tries to detect sandboxes / dynamic malware analysis system (file name check) 27->159 161 Injects a PE file into a foreign processes 27->161 41 t5eX9ESPbK.exe 49 27->41         started        43 cmd.exe 1 27->43         started        163 Sample uses process hollowing technique 29->163 45 conhost.exe 31->45         started        process8 file9 93 C:\Windows\System\explorer.exe, PE32 33->93 dropped 129 Installs a global keyboard hook 33->129 47 explorer.exe 33->47         started        95 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 37->95 dropped 97 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 37->97 dropped 50 StikyNot.exe 37->50         started        99 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 41->99 dropped 101 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 41->101 dropped 131 Spreads via windows shares (copies files to share folders) 41->131 133 Writes to foreign memory regions 41->133 135 Allocates memory in foreign processes 41->135 137 Injects a PE file into a foreign processes 41->137 52 t5eX9ESPbK.exe 2 41->52         started        54 diskperf.exe 41->54         started        56 conhost.exe 43->56         started        signatures10 process11 signatures12 205 Antivirus detection for dropped file 47->205 207 Machine Learning detection for dropped file 47->207 209 Tries to detect sandboxes / dynamic malware analysis system (file name check) 47->209 215 2 other signatures 47->215 58 explorer.exe 47 47->58         started        62 cmd.exe 1 47->62         started        211 Injects a PE file into a foreign processes 50->211 64 StikyNot.exe 46 50->64         started        66 cmd.exe 50->66         started        213 Installs a global keyboard hook 52->213 68 explorer.exe 52->68         started        process13 file14 107 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 58->107 dropped 109 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 58->109 dropped 179 Injects code into the Windows Explorer (explorer.exe) 58->179 181 Spreads via windows shares (copies files to share folders) 58->181 183 Writes to foreign memory regions 58->183 185 Allocates memory in foreign processes 58->185 70 explorer.exe 58->70         started        75 diskperf.exe 58->75         started        77 conhost.exe 62->77         started        187 Sample uses process hollowing technique 64->187 79 conhost.exe 66->79         started        189 Tries to detect sandboxes / dynamic malware analysis system (file name check) 68->189 191 Drops executables to the windows directory (C:\Windows) and starts them 68->191 193 Injects a PE file into a foreign processes 68->193 81 explorer.exe 68->81         started        83 cmd.exe 68->83         started        signatures15 process16 dnsIp17 115 vccmd03.googlecode.com 70->115 117 vccmd02.googlecode.com 70->117 119 5 other IPs or domains 70->119 103 C:\Windows\System\spoolsv.exe, PE32 70->103 dropped 105 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 70->105 dropped 165 System process connects to network (likely due to code injection or exploit) 70->165 167 Creates an undocumented autostart registry key 70->167 169 Drops executables to the windows directory (C:\Windows) and starts them 70->169 171 Installs a global keyboard hook 70->171 85 spoolsv.exe 70->85         started        173 Spreads via windows shares (copies files to share folders) 81->173 175 Sample uses process hollowing technique 81->175 177 Injects a PE file into a foreign processes 81->177 88 conhost.exe 83->88         started        file18 signatures19 process20 signatures21 139 Antivirus detection for dropped file 85->139 141 Machine Learning detection for dropped file 85->141 143 Tries to detect sandboxes / dynamic malware analysis system (file name check) 85->143 145 2 other signatures 85->145 90 cmd.exe 85->90         started        process22 file23 111 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 90->111 dropped
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-15 23:13:16 UTC
AV detection:
26 of 28 (92.86%)
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:
4a00280e6f6b9df358d93f368413e7e9e28d03d04c3861cdbf2dd94fb1ad040f
MD5 hash:
4acb5678f3cffb4397d340383dad6e06
SHA1 hash:
35d82e977565e4fdcc8bf284f735496e2516f208
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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