MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22b8cd43c2fe83b4516fa39d795e6da1374dfe1df93f38dfdbd7c5d316f0dd93. 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 7 File information Comments

SHA256 hash: 22b8cd43c2fe83b4516fa39d795e6da1374dfe1df93f38dfdbd7c5d316f0dd93
SHA3-384 hash: 0030375443189698f0dd138400438d59fcd870e481fe9b453412147adfe91b43981e426a564f3626ac3a9fb632228f58
SHA1 hash: 116275ab28bc4a2429ba528ea5f6c7fcb7e363f1
MD5 hash: 792259398c6b1e7c9d51c2285a9961b0
humanhash: carbon-venus-red-potato
File name:22b8cd43c2fe83b4516fa39d795e6da1374dfe1df93f38dfdbd7c5d316f0dd93
Download: download sample
Signature AveMariaRAT
File size:1'930'934 bytes
First seen:2020-11-11 11:34:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:Lbgy1Y0uY11CLN+fZq05nEtR5HnaHDXHDRqePkFJ/RpqA7W2FeDSIGVH/KIDgDgx:LY2Ykf5naHaHsQkTQDbGV6eH81kz
Threatray 8 similar samples on MalwareBazaar
TLSH 4D958C21F7560423D2235576AA1FE33066253E2F1F04FB5FAB6B3E09AA17755B822307
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
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)
Contains functionality to detect sleep reduction / modifications
Contains functionality to hide user accounts
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
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: Suspicious Svchost Process
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)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315192 Sample: 19PZdwa0CV Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 150 Antivirus detection for dropped file 2->150 152 Antivirus / Scanner detection for submitted sample 2->152 154 Multi AV Scanner detection for submitted file 2->154 156 6 other signatures 2->156 12 19PZdwa0CV.exe 1 51 2->12         started        15 StikyNot.exe 46 2->15         started        17 SyncHost.exe 2->17         started        19 7 other processes 2->19 process3 dnsIp4 186 Detected unpacking (changes PE section rights) 12->186 188 Detected unpacking (creates a PE file in dynamic memory) 12->188 190 Detected unpacking (overwrites its own PE header) 12->190 206 4 other signatures 12->206 22 19PZdwa0CV.exe 1 3 12->22         started        26 diskperf.exe 5 12->26         started        192 Spreads via windows shares (copies files to share folders) 15->192 194 Writes to foreign memory regions 15->194 196 Allocates memory in foreign processes 15->196 28 StikyNot.exe 15->28         started        30 diskperf.exe 15->30         started        198 Antivirus detection for dropped file 17->198 200 Machine Learning detection for dropped file 17->200 202 Sample uses process hollowing technique 17->202 108 127.0.0.1 unknown unknown 19->108 204 Changes security center settings (notifications, updates, antivirus, firewall) 19->204 signatures5 process6 file7 92 C:\Windows\System\explorer.exe, PE32 22->92 dropped 176 Installs a global keyboard hook 22->176 32 explorer.exe 47 22->32         started        94 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->94 dropped 96 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->96 dropped 98 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->98 dropped 36 StikyNot.exe 46 26->36         started        178 Drops executables to the windows directory (C:\Windows) and starts them 28->178 38 explorer.exe 28->38         started        signatures8 process9 file10 88 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 32->88 dropped 90 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 32->90 dropped 118 Antivirus detection for dropped file 32->118 120 Detected unpacking (creates a PE file in dynamic memory) 32->120 122 Machine Learning detection for dropped file 32->122 134 6 other signatures 32->134 40 explorer.exe 3 17 32->40         started        45 diskperf.exe 32->45         started        124 Detected unpacking (changes PE section rights) 36->124 126 Detected unpacking (overwrites its own PE header) 36->126 128 Spreads via windows shares (copies files to share folders) 36->128 47 StikyNot.exe 36->47         started        49 diskperf.exe 36->49         started        130 Sample uses process hollowing technique 38->130 132 Injects a PE file into a foreign processes 38->132 signatures11 process12 dnsIp13 110 vccmd03.googlecode.com 40->110 112 vccmd02.googlecode.com 40->112 114 4 other IPs or domains 40->114 100 C:\Windows\System\spoolsv.exe, PE32 40->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 40->102 dropped 180 System process connects to network (likely due to code injection or exploit) 40->180 182 Creates an undocumented autostart registry key 40->182 184 Installs a global keyboard hook 40->184 51 spoolsv.exe 46 40->51         started        54 spoolsv.exe 46 40->54         started        56 spoolsv.exe 46 40->56         started        58 2 other processes 40->58 104 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 45->104 dropped file14 signatures15 process16 signatures17 158 Antivirus detection for dropped file 51->158 160 Detected unpacking (changes PE section rights) 51->160 162 Detected unpacking (creates a PE file in dynamic memory) 51->162 174 3 other signatures 51->174 60 spoolsv.exe 51->60         started        65 diskperf.exe 51->65         started        164 Spreads via windows shares (copies files to share folders) 54->164 166 Writes to foreign memory regions 54->166 168 Allocates memory in foreign processes 54->168 67 spoolsv.exe 54->67         started        69 diskperf.exe 54->69         started        170 Injects a PE file into a foreign processes 56->170 71 spoolsv.exe 56->71         started        73 diskperf.exe 56->73         started        172 Drops executables to the windows directory (C:\Windows) and starts them 58->172 75 spoolsv.exe 58->75         started        77 spoolsv.exe 58->77         started        79 diskperf.exe 58->79         started        process18 dnsIp19 116 192.168.2.1 unknown unknown 60->116 106 C:\Windows\System\svchost.exe, PE32 60->106 dropped 208 Installs a global keyboard hook 60->208 81 svchost.exe 60->81         started        210 Drops executables to the windows directory (C:\Windows) and starts them 67->210 84 svchost.exe 67->84         started        file20 signatures21 process22 signatures23 136 Antivirus detection for dropped file 81->136 138 Detected unpacking (changes PE section rights) 81->138 140 Detected unpacking (overwrites its own PE header) 81->140 142 Machine Learning detection for dropped file 81->142 86 svchost.exe 81->86         started        144 Spreads via windows shares (copies files to share folders) 84->144 146 Sample uses process hollowing technique 84->146 148 Injects a PE file into a foreign processes 84->148 process24
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-11 11:38:10 UTC
AV detection:
26 of 29 (89.66%)
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
Suspicious behavior: GetForegroundWindowSpam
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
22b8cd43c2fe83b4516fa39d795e6da1374dfe1df93f38dfdbd7c5d316f0dd93
MD5 hash:
792259398c6b1e7c9d51c2285a9961b0
SHA1 hash:
116275ab28bc4a2429ba528ea5f6c7fcb7e363f1
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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