MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3efcdc28d7d0d6787c0e2cf60fcda9586d4be2079c1c77730aa23a0914f15e3. 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
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SHA256 hash: b3efcdc28d7d0d6787c0e2cf60fcda9586d4be2079c1c77730aa23a0914f15e3
SHA3-384 hash: e0e83e2ca2093bce71bace53614dd7d7f80b903a173b82ba453ea59f1e93ffbd0ce4dfebf5e779ecc31e6cb61bcb9577
SHA1 hash: 5b028772b8d750e3a46367d661a834c394342947
MD5 hash: 5ce6641ca9078356d55643d5ba71163a
humanhash: sixteen-river-shade-delaware
File name:b3efcdc28d7d0d6787c0e2cf60fcda9586d4be2079c1c77730aa23a0914f15e3
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:2'992'297 bytes
First seen:2020-11-11 11:34:17 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:EbA7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHZ:EbA7A3mw4gxeOw46fUbNecCCFbNecK
Threatray 3'676 similar samples on MalwareBazaar
TLSH 1AD5BFC2FAA91457FB173132710F8611C2C4BC369300BB5F6BE6B58669631D76A8B387
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
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

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
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
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/532192
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315199 Sample: nM0MOWp1fU Startdate: 12/11/2020 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 nM0MOWp1fU.exe 2->13         started        16 wscript.exe 1 2->16         started        18 svchost.exe 2->18         started        20 5 other processes 2->20 process3 dnsIp4 197 Detected unpacking (changes PE section rights) 13->197 199 Detected unpacking (creates a PE file in dynamic memory) 13->199 201 Detected unpacking (overwrites its own PE header) 13->201 207 5 other signatures 13->207 23 nM0MOWp1fU.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        203 Injects code into the Windows Explorer (explorer.exe) 16->203 28 explorer.exe 16->28         started        205 Changes security center settings (notifications, updates, antivirus, firewall) 18->205 115 127.0.0.1 unknown unknown 20->115 117 192.168.2.1 unknown unknown 20->117 signatures5 process6 signatures7 149 Spreads via windows shares (copies files to share folders) 23->149 151 Writes to foreign memory regions 23->151 153 Allocates memory in foreign processes 23->153 155 Sample is not signed and drops a device driver 23->155 30 nM0MOWp1fU.exe 1 3 23->30         started        34 diskperf.exe 5 23->34         started        157 Command shell drops VBS files 26->157 159 Drops VBS files to the startup folder 26->159 36 conhost.exe 26->36         started        161 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->161 163 Injects code into the Windows Explorer (explorer.exe) 28->163 165 Injects a PE file into a foreign processes 28->165 38 explorer.exe 28->38         started        40 cmd.exe 28->40         started        process8 file9 107 C:\Windows\System\explorer.exe, PE32 30->107 dropped 217 Installs a global keyboard hook 30->217 42 explorer.exe 30->42         started        109 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 34->109 dropped 111 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 34->111 dropped 113 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 34->113 dropped 45 StikyNot.exe 34->45         started        219 Spreads via windows shares (copies files to share folders) 38->219 221 Sample uses process hollowing technique 38->221 223 Injects a PE file into a foreign processes 38->223 47 conhost.exe 40->47         started        signatures10 process11 signatures12 167 Antivirus detection for dropped file 42->167 169 Detected unpacking (changes PE section rights) 42->169 171 Detected unpacking (creates a PE file in dynamic memory) 42->171 179 3 other signatures 42->179 49 explorer.exe 47 42->49         started        53 cmd.exe 1 42->53         started        173 Detected unpacking (overwrites its own PE header) 45->173 175 Machine Learning detection for dropped file 45->175 177 Tries to detect sandboxes / dynamic malware analysis system (file name check) 45->177 55 StikyNot.exe 46 45->55         started        57 cmd.exe 1 45->57         started        process13 file14 95 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 49->95 dropped 97 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 49->97 dropped 139 Injects code into the Windows Explorer (explorer.exe) 49->139 141 Spreads via windows shares (copies files to share folders) 49->141 143 Writes to foreign memory regions 49->143 59 explorer.exe 3 17 49->59         started        64 diskperf.exe 49->64         started        66 conhost.exe 53->66         started        145 Allocates memory in foreign processes 55->145 147 Injects a PE file into a foreign processes 55->147 68 StikyNot.exe 55->68         started        70 diskperf.exe 55->70         started        72 conhost.exe 57->72         started        signatures15 process16 dnsIp17 119 vccmd03.googlecode.com 59->119 121 vccmd02.googlecode.com 59->121 123 4 other IPs or domains 59->123 101 C:\Windows\System\spoolsv.exe, PE32 59->101 dropped 103 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 59->103 dropped 209 System process connects to network (likely due to code injection or exploit) 59->209 211 Creates an undocumented autostart registry key 59->211 213 Installs a global keyboard hook 59->213 74 spoolsv.exe 59->74         started        77 spoolsv.exe 59->77         started        105 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 64->105 dropped 215 Drops executables to the windows directory (C:\Windows) and starts them 68->215 79 explorer.exe 68->79         started        file18 signatures19 process20 signatures21 181 Antivirus detection for dropped file 74->181 183 Detected unpacking (changes PE section rights) 74->183 185 Detected unpacking (creates a PE file in dynamic memory) 74->185 187 Machine Learning detection for dropped file 74->187 81 spoolsv.exe 74->81         started        84 cmd.exe 74->84         started        189 Tries to detect sandboxes / dynamic malware analysis system (file name check) 77->189 191 Drops executables to the windows directory (C:\Windows) and starts them 77->191 193 Injects a PE file into a foreign processes 77->193 86 spoolsv.exe 77->86         started        88 cmd.exe 77->88         started        195 Sample uses process hollowing technique 79->195 process22 file23 125 Spreads via windows shares (copies files to share folders) 81->125 127 Sample uses process hollowing technique 81->127 129 Injects a PE file into a foreign processes 81->129 91 conhost.exe 84->91         started        99 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 88->99 dropped 93 conhost.exe 88->93         started        signatures24 process25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3efcdc28d7d0d6787c0e2cf60fcda9586d4be2079c1c77730aa23a0914f15e3/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:38:01 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpx43qunpugwpb6a4lhwb7g2swdnjprapha4o5zqvir2bekpcxrq._file
Verdict:
unknown
Similar samples:
0e25e4a05fadbcb038a39f2f0101f46cb1f9e9bad53d83dd786e161640284dce
AveMariaRAT
0e8ac4fb4a55e49a3ffc5d50c43f96f4592171195c48c9be46d6aa0a00f1f9a3
AveMariaRAT
1407ec8f501ceb7b97c5e2d1b74432dfae8cd0a9ef833420ea0375762bd50cbf
AveMariaRAT
1b7544a23889922c4262251462e81dc2c6d481f1b6c5164a82e4ea5b2b31ff91
AveMariaRAT
1d1b55f13b7893aa02bd931c5b0fb7f8c72a37d502a83688b75c4f777d21b94a
AveMariaRAT
3e4aa6f6e7b1f4efa4d2ace52263761cdaf8692cc49aa0c813b9ab560ee1eec8
AveMariaRAT
49110948cbd800e88a4e28e2cabb6dbaed2464ffccb80d306566b662d0daf8c2
AveMariaRAT
510315ee98600b7b158b330ab64e5f59850c4891193d1a90e574377447ff179f
AveMariaRAT
614ef9ec888de4d04f0624fd4a65f1965313c03592dfe7565d463859ce7122b0
AveMariaRAT
d2ff7e8c230bcd57e83bda83bcd6a33691ada18ef85d790b85974682971b7520
AveMariaRAT
+ 3'666 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/201111-a9t9kxf6gj/
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:
b3efcdc28d7d0d6787c0e2cf60fcda9586d4be2079c1c77730aa23a0914f15e3
MD5 hash:
5ce6641ca9078356d55643d5ba71163a
SHA1 hash:
5b028772b8d750e3a46367d661a834c394342947
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/5e2ce748-5bed-4031-995e-d279610adbea/
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
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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