MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071
SHA3-384 hash: 8d220a6ad3b945191548d930f797d7a80472f0cf04f86633a4b17101ae67a2f08f5e37e3353042e2c2a499bb15051a1e
SHA1 hash: 52f46a0170de2b9cfc9e22c2022cc8c8d70cbfb8
MD5 hash: b861134b7d7740afe1fd8c260a156660
humanhash: leopard-butter-louisiana-coffee
File name:e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071
Download: download sample
Signature AveMariaRAT
File size:3'028'806 bytes
First seen:2021-02-28 07:12:31 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 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHf:7v97AXmw4gxeOw46fUbNecCCFbNec6
Threatray 3'742 similar samples on MalwareBazaar
TLSH 64E5AEE6663F6407EA6721B3710F45112188BD689341AF6B7B33FED244932C45A9BF0B
Reporter JAMESWT_WT
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071
Verdict:
Malicious activity
Analysis date:
2021-02-28 09:13:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Forced system process termination
Creating a window
Sending a UDP request
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
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 (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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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: 359527 Sample: ak12h8shhy Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 127 Malicious sample detected (through community Yara rule) 2->127 129 Antivirus detection for dropped file 2->129 131 Antivirus / Scanner detection for submitted sample 2->131 133 8 other signatures 2->133 12 ak12h8shhy.exe 2->12         started        15 wscript.exe 1 2->15         started        17 StikyNot.exe 2->17         started        19 5 other processes 2->19 process3 dnsIp4 183 Detected unpacking (changes PE section rights) 12->183 185 Detected unpacking (overwrites its own PE header) 12->185 187 Tries to detect sandboxes / dynamic malware analysis system (file name check) 12->187 197 2 other signatures 12->197 22 ak12h8shhy.exe 1 51 12->22         started        26 cmd.exe 2 12->26         started        28 ak12h8shhy.exe 15->28         started        189 Antivirus detection for dropped file 17->189 191 Machine Learning detection for dropped file 17->191 193 Injects a PE file into a foreign processes 17->193 30 StikyNot.exe 17->30         started        32 cmd.exe 1 17->32         started        115 127.0.0.1 unknown unknown 19->115 195 Changes security center settings (notifications, updates, antivirus, firewall) 19->195 signatures5 process6 file7 103 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 22->103 dropped 159 Spreads via windows shares (copies files to share folders) 22->159 161 Sample is not signed and drops a device driver 22->161 163 Injects a PE file into a foreign processes 22->163 34 ak12h8shhy.exe 1 3 22->34         started        39 diskperf.exe 22->39         started        165 Command shell drops VBS files 26->165 167 Drops VBS files to the startup folder 26->167 41 conhost.exe 26->41         started        169 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->169 43 ak12h8shhy.exe 49 28->43         started        45 cmd.exe 28->45         started        171 Sample uses process hollowing technique 30->171 47 conhost.exe 32->47         started        signatures8 process9 dnsIp10 107 192.168.2.1 unknown unknown 34->107 87 C:\Windows\System\explorer.exe, PE32 34->87 dropped 135 Installs a global keyboard hook 34->135 49 explorer.exe 34->49         started        89 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 43->89 dropped 91 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 43->91 dropped 93 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 43->93 dropped 95 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 43->95 dropped 137 Spreads via windows shares (copies files to share folders) 43->137 139 Writes to foreign memory regions 43->139 141 Allocates memory in foreign processes 43->141 143 Injects a PE file into a foreign processes 43->143 52 ak12h8shhy.exe 2 43->52         started        54 diskperf.exe 43->54         started        57 conhost.exe 45->57         started        file11 signatures12 process13 file14 117 Antivirus detection for dropped file 49->117 119 Detected unpacking (changes PE section rights) 49->119 121 Detected unpacking (overwrites its own PE header) 49->121 125 5 other signatures 49->125 59 explorer.exe 47 49->59         started        62 cmd.exe 49->62         started        123 Installs a global keyboard hook 52->123 64 explorer.exe 52->64         started        105 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 54->105 dropped signatures15 process16 signatures17 173 Injects code into the Windows Explorer (explorer.exe) 59->173 175 Spreads via windows shares (copies files to share folders) 59->175 177 Injects a PE file into a foreign processes 59->177 66 explorer.exe 59->66         started        71 diskperf.exe 59->71         started        73 conhost.exe 62->73         started        179 Tries to detect sandboxes / dynamic malware analysis system (file name check) 64->179 181 Drops executables to the windows directory (C:\Windows) and starts them 64->181 75 explorer.exe 64->75         started        77 cmd.exe 64->77         started        process18 dnsIp19 109 vccmd03.googlecode.com 66->109 111 vccmd02.googlecode.com 66->111 113 4 other IPs or domains 66->113 97 C:\Windows\System\spoolsv.exe, PE32 66->97 dropped 99 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 66->99 dropped 145 System process connects to network (likely due to code injection or exploit) 66->145 147 Creates an undocumented autostart registry key 66->147 149 Drops executables to the windows directory (C:\Windows) and starts them 66->149 151 Installs a global keyboard hook 66->151 79 spoolsv.exe 66->79         started        153 Spreads via windows shares (copies files to share folders) 75->153 155 Sample uses process hollowing technique 75->155 157 Injects a PE file into a foreign processes 75->157 82 conhost.exe 77->82         started        file20 signatures21 process22 signatures23 199 Antivirus detection for dropped file 79->199 201 Machine Learning detection for dropped file 79->201 203 Tries to detect sandboxes / dynamic malware analysis system (file name check) 79->203 205 2 other signatures 79->205 84 cmd.exe 79->84         started        process24 file25 101 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 84->101 dropped
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2021-02-25 15:26:28 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:warzonerat family:xmrig evasion infostealer miner persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
xmrig
Unpacked files
SH256 hash:
e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071
MD5 hash:
b861134b7d7740afe1fd8c260a156660
SHA1 hash:
52f46a0170de2b9cfc9e22c2022cc8c8d70cbfb8
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:AveMaria
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
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:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
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.

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