MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c1db921194364b14cdab9dd682dd7f027e92767ed5a7c7457d990ceedc746c. 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: 51c1db921194364b14cdab9dd682dd7f027e92767ed5a7c7457d990ceedc746c
SHA3-384 hash: de4c5e3e77ca13f891ae32f7c735c11d48ed148569d9c627c5acd55c25e1bbcb9018bf9002c23faf0d55b4b8daffede4
SHA1 hash: 8f2a7edd15e1cc07810359daf2c2899020f90839
MD5 hash: bd9d3cfc99479407ce6fbb57941bfcd6
humanhash: carolina-bluebird-georgia-may
File name:51c1db921194364b14cdab9dd682dd7f027e92767ed5a7c7457d990ceedc746c
Download: download sample
Signature AveMariaRAT
File size:1'931'154 bytes
First seen:2020-11-10 11:33:52 UTC
Last seen:2024-07-24 14:18:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:amsUNn1VZnuusuvUOi+3UxISY0/tDyKl0m8peklU55ZLvRvA7W2FeDSIGVH/KIDW:Nx1V113Z9SPVyKl0nUHiQDbGV6eH81kg
TLSH E8958DB27E28246BD7033D34790F8529E4E1BD3D6A40F7AF1B777D098963ED86406286
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
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
Creating a process with a hidden window
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
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
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)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313602 Sample: nNCbpFS4a8 Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 115 Antivirus detection for dropped file 2->115 117 Antivirus / Scanner detection for submitted sample 2->117 119 Multi AV Scanner detection for submitted file 2->119 121 6 other signatures 2->121 12 nNCbpFS4a8.exe 1 51 2->12         started        15 StikyNot.exe 47 2->15         started        18 StikyNot.exe 2->18         started        20 2 other processes 2->20 process3 file4 173 Detected unpacking (changes PE section rights) 12->173 175 Detected unpacking (creates a PE file in dynamic memory) 12->175 177 Detected unpacking (overwrites its own PE header) 12->177 191 2 other signatures 12->191 22 nNCbpFS4a8.exe 1 3 12->22         started        26 diskperf.exe 4 12->26         started        109 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 15->109 dropped 111 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 15->111 dropped 179 Antivirus detection for dropped file 15->179 181 Machine Learning detection for dropped file 15->181 183 Spreads via windows shares (copies files to share folders) 15->183 28 StikyNot.exe 2 15->28         started        30 diskperf.exe 15->30         started        185 Writes to foreign memory regions 18->185 187 Allocates memory in foreign processes 18->187 189 Injects a PE file into a foreign processes 18->189 32 StikyNot.exe 18->32         started        34 diskperf.exe 18->34         started        signatures5 process6 file7 93 C:\Windows\System\explorer.exe, PE32 22->93 dropped 169 Installs a global keyboard hook 22->169 36 explorer.exe 47 22->36         started        95 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->95 dropped 97 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->97 dropped 99 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->99 dropped 40 explorer.exe 28->40         started        signatures8 process9 file10 91 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 36->91 dropped 137 Antivirus detection for dropped file 36->137 139 Detected unpacking (changes PE section rights) 36->139 141 Detected unpacking (creates a PE file in dynamic memory) 36->141 149 7 other signatures 36->149 42 explorer.exe 3 5 36->42         started        47 diskperf.exe 36->47         started        143 Injects code into the Windows Explorer (explorer.exe) 40->143 145 Drops executables to the windows directory (C:\Windows) and starts them 40->145 147 Spreads via windows shares (copies files to share folders) 40->147 49 explorer.exe 40->49         started        51 diskperf.exe 40->51         started        signatures11 process12 dnsIp13 113 192.168.2.1 unknown unknown 42->113 103 C:\Windows\System\spoolsv.exe, PE32 42->103 dropped 105 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 42->105 dropped 193 Creates an undocumented autostart registry key 42->193 195 Installs a global keyboard hook 42->195 53 spoolsv.exe 46 42->53         started        56 spoolsv.exe 46 42->56         started        58 spoolsv.exe 46 42->58         started        60 3 other processes 42->60 file14 signatures15 process16 signatures17 151 Antivirus detection for dropped file 53->151 153 Detected unpacking (changes PE section rights) 53->153 155 Detected unpacking (overwrites its own PE header) 53->155 167 2 other signatures 53->167 62 spoolsv.exe 2 53->62         started        66 diskperf.exe 53->66         started        157 Drops executables to the windows directory (C:\Windows) and starts them 56->157 159 Spreads via windows shares (copies files to share folders) 56->159 161 Injects a PE file into a foreign processes 56->161 68 spoolsv.exe 56->68         started        70 diskperf.exe 56->70         started        163 Writes to foreign memory regions 58->163 165 Allocates memory in foreign processes 58->165 72 spoolsv.exe 58->72         started        74 diskperf.exe 58->74         started        76 spoolsv.exe 60->76         started        78 spoolsv.exe 60->78         started        80 2 other processes 60->80 process18 file19 107 C:\Windows\System\svchost.exe, PE32 62->107 dropped 197 Installs a global keyboard hook 62->197 82 svchost.exe 62->82         started        199 Drops executables to the windows directory (C:\Windows) and starts them 68->199 85 svchost.exe 68->85         started        signatures20 process21 signatures22 123 Antivirus detection for dropped file 82->123 125 Detected unpacking (changes PE section rights) 82->125 127 Detected unpacking (overwrites its own PE header) 82->127 129 Machine Learning detection for dropped file 82->129 87 svchost.exe 82->87         started        131 Spreads via windows shares (copies files to share folders) 85->131 133 Sample uses process hollowing technique 85->133 135 Injects a PE file into a foreign processes 85->135 process23 file24 101 C:\Users\user\AppData\Local\stsys.exe, PE32 87->101 dropped 171 Installs a global keyboard hook 87->171 signatures25
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-10 11:40:21 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  2/5
Verdict:
unknown
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:
51c1db921194364b14cdab9dd682dd7f027e92767ed5a7c7457d990ceedc746c
MD5 hash:
bd9d3cfc99479407ce6fbb57941bfcd6
SHA1 hash:
8f2a7edd15e1cc07810359daf2c2899020f90839
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

Comments