MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
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SHA256 hash: 81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6
SHA3-384 hash: ac71e1af80a9b82067705fc7fca5aa977783763b7fd75a6ec45db7e7cbe2a9aa5068981890d109a5ab05db439107ee15
SHA1 hash: 093847690a6e532a7d46cc335dbbf668f28e8cfa
MD5 hash: 9544a3dfd301052e9081766d45077f0e
humanhash: montana-july-jig-shade
File name:81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'930'970 bytes
First seen:2020-11-14 18:08:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:MEB83muRBvtb2+tIMQG7kWt5GCymu4yncaGgkNG5pIA7W2FeDSIGVH/KIDgDgUeO:MffxleGYKGCym7N6QDbGV6eH81kK
Threatray 22 similar samples on MalwareBazaar
TLSH 12959EA1B75901A3E2133575781F83E09D72BD292E88EF7B3BF23D5C85B7649101A24B
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Daqc-6598201-0
Create hunting rule

Win.Malware.Ursu-6793772-0
Create hunting rule

Win.Malware.Ursu-6914171-0
Create hunting rule

Win.Malware.Eclv-9782803-0
Create hunting rule

Win.Malware.Eclv-9782804-0
Create hunting rule

Win.Malware.Eclv-9782973-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/535813
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 317006 Sample: oW4mI7OrTJ Startdate: 15/11/2020 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 12 oW4mI7OrTJ.exe 1 51 2->12         started        16 StikyNot.exe 46 2->16         started        18 StikyNot.exe 2->18         started        20 8 other processes 2->20 process3 dnsIp4 101 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 12->101 dropped 103 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 12->103 dropped 167 Detected unpacking (changes PE section rights) 12->167 169 Detected unpacking (overwrites its own PE header) 12->169 171 Spreads via windows shares (copies files to share folders) 12->171 187 2 other signatures 12->187 23 oW4mI7OrTJ.exe 1 3 12->23         started        27 diskperf.exe 12->27         started        173 Antivirus detection for dropped file 16->173 175 Machine Learning detection for dropped file 16->175 177 Writes to foreign memory regions 16->177 179 Allocates memory in foreign processes 16->179 29 StikyNot.exe 16->29         started        31 diskperf.exe 16->31         started        181 Sample uses process hollowing technique 18->181 183 Injects a PE file into a foreign processes 18->183 105 127.0.0.1 unknown unknown 20->105 185 Changes security center settings (notifications, updates, antivirus, firewall) 20->185 33 WerFault.exe 20->33         started        file5 signatures6 process7 file8 93 C:\Windows\System\explorer.exe, PE32 23->93 dropped 153 Installs a global keyboard hook 23->153 35 explorer.exe 47 23->35         started        155 Drops executables to the windows directory (C:\Windows) and starts them 29->155 39 explorer.exe 29->39         started        signatures9 process10 file11 89 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 35->89 dropped 91 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 35->91 dropped 139 Antivirus detection for dropped file 35->139 141 Machine Learning detection for dropped file 35->141 143 Injects code into the Windows Explorer (explorer.exe) 35->143 151 4 other signatures 35->151 41 explorer.exe 3 17 35->41         started        46 diskperf.exe 35->46         started        145 Spreads via windows shares (copies files to share folders) 39->145 147 Sample uses process hollowing technique 39->147 149 Injects a PE file into a foreign processes 39->149 signatures12 process13 dnsIp14 107 vccmd03.googlecode.com 41->107 109 vccmd02.googlecode.com 41->109 111 5 other IPs or domains 41->111 95 C:\Windows\System\spoolsv.exe, PE32 41->95 dropped 97 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 41->97 dropped 157 System process connects to network (likely due to code injection or exploit) 41->157 159 Creates an undocumented autostart registry key 41->159 161 Installs a global keyboard hook 41->161 48 spoolsv.exe 47 41->48         started        52 spoolsv.exe 46 41->52         started        54 spoolsv.exe 46 41->54         started        56 2 other processes 41->56 file15 signatures16 process17 file18 87 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 48->87 dropped 113 Antivirus detection for dropped file 48->113 115 Detected unpacking (changes PE section rights) 48->115 117 Detected unpacking (creates a PE file in dynamic memory) 48->117 129 3 other signatures 48->129 58 spoolsv.exe 2 48->58         started        62 diskperf.exe 48->62         started        119 Spreads via windows shares (copies files to share folders) 52->119 121 Writes to foreign memory regions 52->121 123 Allocates memory in foreign processes 52->123 64 spoolsv.exe 52->64         started        66 diskperf.exe 52->66         started        125 Injects a PE file into a foreign processes 54->125 68 spoolsv.exe 54->68         started        70 diskperf.exe 54->70         started        127 Drops executables to the windows directory (C:\Windows) and starts them 56->127 72 spoolsv.exe 56->72         started        74 spoolsv.exe 56->74         started        76 diskperf.exe 56->76         started        signatures19 process20 file21 99 C:\Windows\System\svchost.exe, PE32 58->99 dropped 163 Installs a global keyboard hook 58->163 78 svchost.exe 58->78         started        165 Drops executables to the windows directory (C:\Windows) and starts them 64->165 81 svchost.exe 64->81         started        signatures22 process23 signatures24 189 Antivirus detection for dropped file 78->189 191 Detected unpacking (changes PE section rights) 78->191 193 Detected unpacking (overwrites its own PE header) 78->193 195 Machine Learning detection for dropped file 78->195 83 svchost.exe 78->83         started        85 diskperf.exe 78->85         started        197 Spreads via windows shares (copies files to share folders) 81->197 199 Sample uses process hollowing technique 81->199 201 Injects a PE file into a foreign processes 81->201 process25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 18:10:55 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhwt7d3nscrrad4vqawylhavk3uxjsjs5dluq67vqmqwkhop6lla._file
Verdict:
unknown
Similar samples:
11265a3299e417f4cca1671d84cde8e408325f7ede479283caefc60096c1b019
AveMariaRAT
14e52e549676db824147ad08e351b2bae5a8df91ac58c50836743c3d7ec68806
AveMariaRAT
51c1db921194364b14cdab9dd682dd7f027e92767ed5a7c7457d990ceedc746c
AveMariaRAT
8d1e790a6a508079b3f79a0089c0843e12f88a4ac4bad2fd6efcaa68eb102727
AveMariaRAT
a828e622f76666e23459f75e1eba33e34b919b1e129d64b937c46a1a30c8a356
AveMariaRAT
ce4cc14f4a7c420002cee544e79281e1cb9c1e8eb0922042cdb8559a7e7467f9
AveMariaRAT
d13ef19acf5bc6a626cbf967b62903e0c47705060745f1dd5306fa68a327292c
AveMariaRAT
db6c1977d9325ddd1ba9b9aa417d9c6a32427ab341f3204f6ec04d14715fefa4
AveMariaRAT
df8bad6aa9440d016b89c153cb764b9950014f9562bbd2e24de60c80322e79d2
AveMariaRAT
e9d9443947b693b52dcbc27a0da86e3a5d5cafe2d9023e792ee573c52b0fc148
AveMariaRAT
+ 12 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/201114-3vepjhb7d6/
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:
81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6
MD5 hash:
9544a3dfd301052e9081766d45077f0e
SHA1 hash:
093847690a6e532a7d46cc335dbbf668f28e8cfa
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/c89b8a12-399f-4428-9a2a-309e07a3296d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6

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:suspicious_packer_section
Create hunting rule
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
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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