MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383. 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: 92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383
SHA3-384 hash: a7f80dcd9091643fe3432981dca943b39ac7ca291dfebdf21b4454086dc6119c53ec48ea44f05eef2b851d34d2cb8835
SHA1 hash: 4a5acb2399395b285fc7d40db45861ae0e51e7e1
MD5 hash: e643f2b5b133e2473dcab058072f979d
humanhash: oregon-sad-ceiling-grey
File name:92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'930'967 bytes
First seen:2020-11-14 18:10:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:eTSfHruMPifNJbzvHIGtHu+v6812nclZfpnUBA7W2FeDSIGVH/KIDgDgUeHbY11L:eDHfTfIou+vnnzQDbGV6eH81kC
Threatray 16 similar samples on MalwareBazaar
TLSH 71958EF0B31064BBE5036A70BC0FE17099A57D661B60A3AF3B757D09E9FF9C26056122
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
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/535741
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 316970 Sample: hOy4yksT6P Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 118 Antivirus detection for dropped file 2->118 120 Antivirus / Scanner detection for submitted sample 2->120 122 Multi AV Scanner detection for submitted file 2->122 124 6 other signatures 2->124 13 hOy4yksT6P.exe 1 51 2->13         started        17 StikyNot.exe 2->17         started        19 svchost.exe 2->19         started        21 2 other processes 2->21 process3 file4 110 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 13->110 dropped 174 Detected unpacking (changes PE section rights) 13->174 176 Detected unpacking (overwrites its own PE header) 13->176 178 Spreads via windows shares (copies files to share folders) 13->178 186 3 other signatures 13->186 23 hOy4yksT6P.exe 1 3 13->23         started        27 diskperf.exe 4 13->27         started        180 Writes to foreign memory regions 17->180 182 Allocates memory in foreign processes 17->182 184 Injects a PE file into a foreign processes 17->184 29 StikyNot.exe 17->29         started        31 diskperf.exe 17->31         started        33 WerFault.exe 19->33         started        signatures5 process6 file7 96 C:\Windows\System\explorer.exe, PE32 23->96 dropped 162 Installs a global keyboard hook 23->162 35 explorer.exe 46 23->35         started        98 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 27->98 dropped 100 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 27->100 dropped 102 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 27->102 dropped 38 StikyNot.exe 27->38         started        164 Drops executables to the windows directory (C:\Windows) and starts them 29->164 40 explorer.exe 29->40         started        signatures8 process9 signatures10 144 Antivirus detection for dropped file 35->144 146 Detected unpacking (creates a PE file in dynamic memory) 35->146 148 Machine Learning detection for dropped file 35->148 160 6 other signatures 35->160 42 explorer.exe 3 17 35->42         started        47 diskperf.exe 35->47         started        150 Detected unpacking (changes PE section rights) 38->150 152 Detected unpacking (overwrites its own PE header) 38->152 154 Spreads via windows shares (copies files to share folders) 38->154 156 Sample uses process hollowing technique 40->156 158 Injects a PE file into a foreign processes 40->158 process11 dnsIp12 112 vccmd03.googlecode.com 42->112 114 vccmd02.googlecode.com 42->114 116 5 other IPs or domains 42->116 104 C:\Windows\System\spoolsv.exe, PE32 42->104 dropped 106 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 42->106 dropped 166 System process connects to network (likely due to code injection or exploit) 42->166 168 Creates an undocumented autostart registry key 42->168 170 Installs a global keyboard hook 42->170 49 spoolsv.exe 48 42->49         started        53 spoolsv.exe 46 42->53         started        55 spoolsv.exe 46 42->55         started        57 3 other processes 42->57 file13 signatures14 process15 file16 92 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 49->92 dropped 94 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 49->94 dropped 126 Antivirus detection for dropped file 49->126 128 Detected unpacking (changes PE section rights) 49->128 130 Detected unpacking (creates a PE file in dynamic memory) 49->130 142 4 other signatures 49->142 59 spoolsv.exe 2 49->59         started        63 diskperf.exe 49->63         started        132 Spreads via windows shares (copies files to share folders) 53->132 134 Writes to foreign memory regions 53->134 136 Allocates memory in foreign processes 53->136 65 spoolsv.exe 53->65         started        67 diskperf.exe 53->67         started        138 Injects a PE file into a foreign processes 55->138 69 spoolsv.exe 55->69         started        71 diskperf.exe 55->71         started        140 Drops executables to the windows directory (C:\Windows) and starts them 57->140 73 spoolsv.exe 57->73         started        75 spoolsv.exe 57->75         started        77 4 other processes 57->77 signatures17 process18 file19 108 C:\Windows\System\svchost.exe, PE32 59->108 dropped 172 Installs a global keyboard hook 59->172 79 svchost.exe 59->79         started        82 svchost.exe 65->82         started        signatures20 process21 signatures22 188 Antivirus detection for dropped file 79->188 190 Detected unpacking (changes PE section rights) 79->190 192 Detected unpacking (overwrites its own PE header) 79->192 194 Machine Learning detection for dropped file 79->194 84 svchost.exe 79->84         started        86 diskperf.exe 79->86         started        196 Drops executables to the windows directory (C:\Windows) and starts them 82->196 198 Spreads via windows shares (copies files to share folders) 82->198 200 Injects a PE file into a foreign processes 82->200 88 svchost.exe 82->88         started        process23 process24 90 WerFault.exe 84->90         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 18:13:29 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=slrb4jy5wtijpuzgg6lnbwqs6ltmshvfz34q7cgtwremidkrmobq._file
Verdict:
unknown
Similar samples:
0bcb3deaf045b18b7e0c9f1e6407ba74502aebce9b59f4c806e408e8e8df569e
AveMariaRAT
3f6958a07e9c28f981de91ab064e4d97d5e5f0d1ccadeae28cc724f2e10f3755
AveMariaRAT
81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6
AveMariaRAT
8dfe00633071fa4e719acd5e638596c35646c937ef1488528ffe6904cb61054f
AveMariaRAT
a5d558f967a5c898628263634fdf19a1aa7b2753348f88b958ac470da969f98c
AveMariaRAT
aac44bc474d4c0cc9e0679e4da871fa555a961197499ad13bb586b1616a18c4a
AveMariaRAT
df8bad6aa9440d016b89c153cb764b9950014f9562bbd2e24de60c80322e79d2
AveMariaRAT
e9d9443947b693b52dcbc27a0da86e3a5d5cafe2d9023e792ee573c52b0fc148
AveMariaRAT
fd8d043f076ff1fa49472ef39692d8a5fff8f3f5d931b89831078a03c0457bcc
AveMariaRAT
ff8111f3f289a8ff4b459920471df4fc0cfd4f43c0ae072c95cd56aaf33e5d5e
AveMariaRAT
+ 6 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-h5x41lb6rs/
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:
92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383
MD5 hash:
e643f2b5b133e2473dcab058072f979d
SHA1 hash:
4a5acb2399395b285fc7d40db45861ae0e51e7e1
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/c7460532-225b-4ae3-a852-c486db8a03a3/
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/92e21e271db4d097d3263796d0da12f2e6c91ea5cef90f88d3b448c40d516383

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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