MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35
SHA3-384 hash: 8a6ec84286ee07dc6d5b16ab10df33d5fe686edb6753684eee558bcdb66111b4f6cfb75a450c70b46056d43dbddec5c1
SHA1 hash: dcfa8f124fc521231736fc812f2578ed88f84b9c
MD5 hash: 245034390ced54d71ea4927c4dc8cb4a
humanhash: comet-beer-carbon-earth
File name:a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:2'992'297 bytes
First seen:2020-11-15 22:58:30 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:vpX7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHZ:vpX7A3mw4gxeOw46fUbNecCCFbNecK
Threatray 4'450 similar samples on MalwareBazaar
TLSH 99D5BFC2FAA91457FB173132710F8611C2C4BC369300BB5F6BE6B58669631D76A8B387
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Ursu-6793772-0
Create hunting rule

Win.Malware.Ursu-6914170-0
Create hunting rule

Win.Malware.Ursu-6914171-0
Create hunting rule

Win.Malware.Cerber-6989221-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
Create hunting rule

Win.Trojan.Ulise-9792178-0
Create hunting rule

Win.Trojan.Ulise-9792179-0
Create hunting rule

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
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/537789
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 317991 Sample: 4oUyddM6D8 Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 148 Antivirus detection for dropped file 2->148 150 Antivirus / Scanner detection for submitted sample 2->150 152 Multi AV Scanner detection for submitted file 2->152 154 6 other signatures 2->154 13 4oUyddM6D8.exe 2->13         started        16 svchost.exe 1 2->16         started        process3 signatures4 192 Detected unpacking (changes PE section rights) 13->192 194 Detected unpacking (creates a PE file in dynamic memory) 13->194 196 Detected unpacking (overwrites its own PE header) 13->196 198 4 other signatures 13->198 18 4oUyddM6D8.exe 1 51 13->18         started        21 cmd.exe 2 13->21         started        process5 signatures6 156 Spreads via windows shares (copies files to share folders) 18->156 158 Writes to foreign memory regions 18->158 160 Allocates memory in foreign processes 18->160 166 2 other signatures 18->166 23 4oUyddM6D8.exe 1 3 18->23         started        28 diskperf.exe 5 18->28         started        162 Command shell drops VBS files 21->162 164 Drops VBS files to the startup folder 21->164 30 conhost.exe 21->30         started        process7 dnsIp8 122 192.168.2.1 unknown unknown 23->122 110 C:\Windows\System\explorer.exe, PE32 23->110 dropped 188 Installs a global keyboard hook 23->188 32 explorer.exe 23->32         started        112 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 28->112 dropped 114 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 28->114 dropped 116 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 28->116 dropped 118 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 28->118 dropped 35 StikyNot.exe 28->35         started        file9 signatures10 process11 signatures12 128 Antivirus detection for dropped file 32->128 130 Detected unpacking (changes PE section rights) 32->130 132 Detected unpacking (overwrites its own PE header) 32->132 140 2 other signatures 32->140 37 explorer.exe 47 32->37         started        41 cmd.exe 1 32->41         started        134 Machine Learning detection for dropped file 35->134 136 Tries to detect sandboxes / dynamic malware analysis system (file name check) 35->136 138 Injects a PE file into a foreign processes 35->138 43 StikyNot.exe 46 35->43         started        45 cmd.exe 1 35->45         started        process13 file14 106 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 37->106 dropped 108 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 37->108 dropped 168 Injects code into the Windows Explorer (explorer.exe) 37->168 170 Spreads via windows shares (copies files to share folders) 37->170 172 Injects a PE file into a foreign processes 37->172 47 explorer.exe 3 17 37->47         started        52 diskperf.exe 37->52         started        54 conhost.exe 41->54         started        174 Writes to foreign memory regions 43->174 176 Allocates memory in foreign processes 43->176 56 StikyNot.exe 2 43->56         started        58 diskperf.exe 43->58         started        60 conhost.exe 45->60         started        signatures15 process16 dnsIp17 124 vccmd01.googlecode.com 47->124 126 googlecode.l.googleusercontent.com 66.102.1.82, 49731, 80 GOOGLEUS United States 47->126 102 C:\Windows\System\spoolsv.exe, PE32 47->102 dropped 104 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 47->104 dropped 142 System process connects to network (likely due to code injection or exploit) 47->142 144 Creates an undocumented autostart registry key 47->144 146 Installs a global keyboard hook 47->146 62 spoolsv.exe 47->62         started        65 spoolsv.exe 47->65         started        67 spoolsv.exe 47->67         started        69 explorer.exe 56->69         started        file18 signatures19 process20 signatures21 200 Antivirus detection for dropped file 62->200 202 Detected unpacking (changes PE section rights) 62->202 204 Detected unpacking (creates a PE file in dynamic memory) 62->204 214 2 other signatures 62->214 71 spoolsv.exe 46 62->71         started        74 cmd.exe 1 62->74         started        206 Injects a PE file into a foreign processes 65->206 76 spoolsv.exe 65->76         started        78 cmd.exe 65->78         started        81 spoolsv.exe 67->81         started        83 cmd.exe 67->83         started        208 Tries to detect sandboxes / dynamic malware analysis system (file name check) 69->208 210 Injects code into the Windows Explorer (explorer.exe) 69->210 212 Drops executables to the windows directory (C:\Windows) and starts them 69->212 85 explorer.exe 69->85         started        87 cmd.exe 69->87         started        process22 file23 178 Spreads via windows shares (copies files to share folders) 71->178 180 Writes to foreign memory regions 71->180 182 Allocates memory in foreign processes 71->182 89 spoolsv.exe 71->89         started        92 diskperf.exe 71->92         started        94 conhost.exe 74->94         started        120 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 78->120 dropped 96 conhost.exe 78->96         started        184 Sample uses process hollowing technique 81->184 186 Injects a PE file into a foreign processes 81->186 98 conhost.exe 83->98         started        100 conhost.exe 87->100         started        signatures24 process25 signatures26 190 Installs a global keyboard hook 89->190
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-15 23:00:28 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdz532dc27ubq5wbd3sbu7k4mwkoolth2esjmrqrk7cw4jgbbi2q._file
Verdict:
malicious
Similar samples:
05de0a18585d2a29c5b9cef61fad0bcd062d10b93f3daf1652192a14f8bfb453
AveMariaRAT
1cfea3d02575ae87c924799eb10ed2cad9e37e0b44a70fc709cc740732dead05
AveMariaRAT
2957d17e37972dfa326f8f46e4f4d018caafd55636db4e3a346d1fbcbf4b8c2d
AveMariaRAT
440b8d7da5a03d4e9681c1ed665b971882746ebc04bf215abc77cf9b6a1cbc3e
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4ab996ba2a80d89db91903af6d83502c80241a275b993f34f28edd17137d651a
AveMariaRAT
92cfdeaa1047206e26309824a3c42fa85779bc4679c940db2459e71352a45d39
AveMariaRAT
9df3ce84c43cf714ef05077307702f011e7ba0312a622978b9ac7bbb07b0e5a9
AveMariaRAT
ce10db04f775da610c16323a500eb938313f7134d9f02bbc7f2251a45c6c811c
AveMariaRAT
da19cfebaedc46dc877ef4ef7582000d43fe74876279049686137c3b0f7b4879
AveMariaRAT
dbb5497c5d601412b10a84d8b7ee9d5834a49fb32aa2763f17b772a7f4acdac5
AveMariaRAT
+ 4'440 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Link:
https://tria.ge/reports/201115-3w2eja4g2e/
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:
a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35
MD5 hash:
245034390ced54d71ea4927c4dc8cb4a
SHA1 hash:
dcfa8f124fc521231736fc812f2578ed88f84b9c
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/141461b3-5e34-45ea-8727-60d70bee3555/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a8f3dde862d7e81876c11ee41a7d5c6594e72e67d12496461157c56e24c10a35

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
Create hunting rule
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Create hunting rule
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
Create hunting rule
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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