MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91accffc535037d528a56342d078c5c5c505745646b16d28963804f289d1c4f. 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: c91accffc535037d528a56342d078c5c5c505745646b16d28963804f289d1c4f
SHA3-384 hash: 17870b7c2a9119e7acc416e382c707eb84b5012c6fb01faf2b1cbb66fedc6f5b32b36ad6780f65c7e38dee2af9d6d7d7
SHA1 hash: faa92bf01a67e99af887ddb184bcac60db1981d8
MD5 hash: e16b17b30952ddb2b3b8ec4330540d93
humanhash: jupiter-equal-stream-seventeen
File name:c91accffc535037d528a56342d078c5c5c505745646b16d28963804f289d1c4f
Download: download sample
Signature AveMariaRAT
File size:3'015'363 bytes
First seen:2020-11-12 14:38:28 UTC
Last seen:2024-07-24 21:24:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:32e7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHv:32e7A3mw4gxeOw46fUbNecCCFbNecc
Threatray 4'104 similar samples on MalwareBazaar
TLSH 41D5B0C1B66D0046E623D375E51F1200F28CFD3A8746A76BEB367F0958EB2A9E143647
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
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: 315813 Sample: jHCG1rds8d Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 131 Antivirus detection for dropped file 2->131 133 Antivirus / Scanner detection for submitted sample 2->133 135 Multi AV Scanner detection for submitted file 2->135 137 6 other signatures 2->137 13 jHCG1rds8d.exe 2->13         started        16 wscript.exe 2->16         started        18 svchost.exe 1 2->18         started        process3 signatures4 203 Detected unpacking (changes PE section rights) 13->203 205 Detected unpacking (creates a PE file in dynamic memory) 13->205 207 Detected unpacking (overwrites its own PE header) 13->207 209 5 other signatures 13->209 20 jHCG1rds8d.exe 1 51 13->20         started        23 cmd.exe 2 13->23         started        25 StikyNot.exe 16->25         started        process5 signatures6 139 Spreads via windows shares (copies files to share folders) 20->139 141 Writes to foreign memory regions 20->141 143 Allocates memory in foreign processes 20->143 145 Sample is not signed and drops a device driver 20->145 27 jHCG1rds8d.exe 1 3 20->27         started        31 diskperf.exe 5 20->31         started        147 Command shell drops VBS files 23->147 149 Drops VBS files to the startup folder 23->149 33 conhost.exe 23->33         started        151 Tries to detect sandboxes / dynamic malware analysis system (file name check) 25->151 153 Injects a PE file into a foreign processes 25->153 35 StikyNot.exe 25->35         started        37 cmd.exe 25->37         started        process7 file8 107 C:\Windows\System\explorer.exe, PE32 27->107 dropped 193 Installs a global keyboard hook 27->193 39 explorer.exe 27->39         started        109 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 31->109 dropped 111 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 31->111 dropped 113 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 31->113 dropped 42 StikyNot.exe 31->42         started        195 Spreads via windows shares (copies files to share folders) 35->195 197 Sample uses process hollowing technique 35->197 199 Injects a PE file into a foreign processes 35->199 44 conhost.exe 37->44         started        signatures9 process10 signatures11 155 Antivirus detection for dropped file 39->155 157 Detected unpacking (changes PE section rights) 39->157 159 Detected unpacking (overwrites its own PE header) 39->159 167 3 other signatures 39->167 46 explorer.exe 47 39->46         started        50 cmd.exe 1 39->50         started        161 Detected unpacking (creates a PE file in dynamic memory) 42->161 163 Machine Learning detection for dropped file 42->163 165 Tries to detect sandboxes / dynamic malware analysis system (file name check) 42->165 52 StikyNot.exe 46 42->52         started        54 cmd.exe 1 42->54         started        process12 file13 115 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 46->115 dropped 117 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 46->117 dropped 211 Injects code into the Windows Explorer (explorer.exe) 46->211 213 Spreads via windows shares (copies files to share folders) 46->213 215 Writes to foreign memory regions 46->215 56 explorer.exe 3 17 46->56         started        61 diskperf.exe 46->61         started        63 conhost.exe 50->63         started        217 Allocates memory in foreign processes 52->217 219 Injects a PE file into a foreign processes 52->219 65 StikyNot.exe 52->65         started        67 diskperf.exe 52->67         started        69 conhost.exe 54->69         started        signatures14 process15 dnsIp16 119 vccmd03.googlecode.com 56->119 121 vccmd02.googlecode.com 56->121 123 5 other IPs or domains 56->123 99 C:\Windows\System\spoolsv.exe, PE32 56->99 dropped 101 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 56->101 dropped 185 System process connects to network (likely due to code injection or exploit) 56->185 187 Creates an undocumented autostart registry key 56->187 189 Installs a global keyboard hook 56->189 71 spoolsv.exe 56->71         started        74 spoolsv.exe 56->74         started        76 spoolsv.exe 56->76         started        103 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 61->103 dropped 191 Drops executables to the windows directory (C:\Windows) and starts them 65->191 78 explorer.exe 65->78         started        file17 signatures18 process19 signatures20 169 Antivirus detection for dropped file 71->169 171 Detected unpacking (changes PE section rights) 71->171 173 Detected unpacking (creates a PE file in dynamic memory) 71->173 183 2 other signatures 71->183 80 spoolsv.exe 71->80         started        83 cmd.exe 71->83         started        175 Tries to detect sandboxes / dynamic malware analysis system (file name check) 74->175 177 Drops executables to the windows directory (C:\Windows) and starts them 74->177 179 Injects a PE file into a foreign processes 74->179 85 spoolsv.exe 74->85         started        87 cmd.exe 74->87         started        181 Sample uses process hollowing technique 76->181 89 cmd.exe 76->89         started        process21 file22 125 Spreads via windows shares (copies files to share folders) 80->125 127 Injects a PE file into a foreign processes 80->127 92 spoolsv.exe 80->92         started        95 conhost.exe 83->95         started        129 Sample uses process hollowing technique 85->129 97 conhost.exe 87->97         started        105 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 89->105 dropped signatures23 process24 signatures25 201 Installs a global keyboard hook 92->201
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-12 14:41:41 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:
c91accffc535037d528a56342d078c5c5c505745646b16d28963804f289d1c4f
MD5 hash:
e16b17b30952ddb2b3b8ec4330540d93
SHA1 hash:
faa92bf01a67e99af887ddb184bcac60db1981d8
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

Comments