MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b874fdd1d9afbc72e81c0610014252eef6b5a3bc8fc473519f3bd81707e67902. 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: b874fdd1d9afbc72e81c0610014252eef6b5a3bc8fc473519f3bd81707e67902
SHA3-384 hash: cdda8ae22f365a0d9ae905ea2854f17947a70be4833e277804e835c7eb8cdba9b47a886ef59512f3ba53279cb2fd2c4b
SHA1 hash: 09c8bdec19dba83e78a247e8791db447cbe82ab8
MD5 hash: f3944c68acf0fcd40dc97998e18eee63
humanhash: hamper-butter-double-washington
File name:b874fdd1d9afbc72e81c0610014252eef6b5a3bc8fc473519f3bd81707e67902
Download: download sample
Signature AveMariaRAT
File size:3'015'278 bytes
First seen:2020-11-10 11:24:30 UTC
Last seen:2024-07-24 20:44:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:7qP7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHu:7qP7A3mw4gxeOw46fUbNecCCFbNecr
Threatray 3'507 similar samples on MalwareBazaar
TLSH A9D59EE3F92A8607F627A871B44F93B1A1987D3DDB00F75B9F347E4670936C192A1242
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
59
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
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
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
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
Searches for specific processes (likely to inject)
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: 313828 Sample: 9UzNzcgrkm Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 142 Antivirus detection for dropped file 2->142 144 Antivirus / Scanner detection for submitted sample 2->144 146 Multi AV Scanner detection for submitted file 2->146 148 6 other signatures 2->148 13 9UzNzcgrkm.exe 2->13         started        16 wscript.exe 1 2->16         started        18 svchost.exe 2->18         started        20 6 other processes 2->20 process3 dnsIp4 194 Detected unpacking (changes PE section rights) 13->194 196 Detected unpacking (overwrites its own PE header) 13->196 198 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->198 204 3 other signatures 13->204 23 9UzNzcgrkm.exe 1 51 13->23         started        27 cmd.exe 2 13->27         started        200 Injects code into the Windows Explorer (explorer.exe) 16->200 29 explorer.exe 16->29         started        202 Changes security center settings (notifications, updates, antivirus, firewall) 18->202 110 127.0.0.1 unknown unknown 20->110 signatures5 process6 file7 96 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 23->96 dropped 98 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 23->98 dropped 158 Spreads via windows shares (copies files to share folders) 23->158 160 Sample is not signed and drops a device driver 23->160 162 Injects a PE file into a foreign processes 23->162 31 9UzNzcgrkm.exe 1 3 23->31         started        35 diskperf.exe 23->35         started        164 Command shell drops VBS files 27->164 166 Drops VBS files to the startup folder 27->166 37 conhost.exe 27->37         started        168 Tries to detect sandboxes / dynamic malware analysis system (file name check) 29->168 170 Injects code into the Windows Explorer (explorer.exe) 29->170 39 explorer.exe 29->39         started        41 cmd.exe 29->41         started        signatures8 process9 file10 106 C:\Windows\System\explorer.exe, PE32 31->106 dropped 118 Installs a global keyboard hook 31->118 43 explorer.exe 31->43         started        120 Injects code into the Windows Explorer (explorer.exe) 39->120 122 Drops executables to the windows directory (C:\Windows) and starts them 39->122 124 Spreads via windows shares (copies files to share folders) 39->124 126 Injects a PE file into a foreign processes 39->126 46 explorer.exe 39->46         started        48 conhost.exe 41->48         started        signatures11 process12 signatures13 184 Antivirus detection for dropped file 43->184 186 Detected unpacking (changes PE section rights) 43->186 188 Detected unpacking (creates a PE file in dynamic memory) 43->188 192 7 other signatures 43->192 50 explorer.exe 47 43->50         started        54 cmd.exe 1 43->54         started        190 Installs a global keyboard hook 46->190 process14 file15 92 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 50->92 dropped 94 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 50->94 dropped 150 Injects code into the Windows Explorer (explorer.exe) 50->150 152 Spreads via windows shares (copies files to share folders) 50->152 154 Writes to foreign memory regions 50->154 156 2 other signatures 50->156 56 explorer.exe 3 17 50->56         started        61 diskperf.exe 50->61         started        63 conhost.exe 54->63         started        signatures16 process17 dnsIp18 112 vccmd03.googlecode.com 56->112 114 vccmd02.googlecode.com 56->114 116 5 other IPs or domains 56->116 100 C:\Windows\System\spoolsv.exe, PE32 56->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 56->102 dropped 178 System process connects to network (likely due to code injection or exploit) 56->178 180 Creates an undocumented autostart registry key 56->180 182 Installs a global keyboard hook 56->182 65 spoolsv.exe 56->65         started        68 spoolsv.exe 56->68         started        104 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 61->104 dropped 70 StikyNot.exe 61->70         started        file19 signatures20 process21 signatures22 128 Antivirus detection for dropped file 65->128 130 Detected unpacking (changes PE section rights) 65->130 132 Detected unpacking (creates a PE file in dynamic memory) 65->132 72 spoolsv.exe 65->72         started        75 cmd.exe 65->75         started        134 Drops executables to the windows directory (C:\Windows) and starts them 68->134 77 spoolsv.exe 68->77         started        79 cmd.exe 68->79         started        136 Machine Learning detection for dropped file 70->136 138 Tries to detect sandboxes / dynamic malware analysis system (file name check) 70->138 140 Injects a PE file into a foreign processes 70->140 82 StikyNot.exe 70->82         started        84 cmd.exe 70->84         started        process23 file24 172 Spreads via windows shares (copies files to share folders) 72->172 174 Sample uses process hollowing technique 72->174 176 Injects a PE file into a foreign processes 72->176 86 conhost.exe 75->86         started        108 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 79->108 dropped 88 conhost.exe 79->88         started        90 conhost.exe 84->90         started        signatures25 process26
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-10 11:28:12 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:
b874fdd1d9afbc72e81c0610014252eef6b5a3bc8fc473519f3bd81707e67902
MD5 hash:
f3944c68acf0fcd40dc97998e18eee63
SHA1 hash:
09c8bdec19dba83e78a247e8791db447cbe82ab8
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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