MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b05b676fcd96d5f2399989accf27abca7551c727c84c5a2752396d3e971c02ca. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b05b676fcd96d5f2399989accf27abca7551c727c84c5a2752396d3e971c02ca
SHA3-384 hash: 76226e9abfe828259ba0964d82c27caaac6edbac6b5872c2d95252efd7a676d5c349f65a2699a08a806e5742eb365f24
SHA1 hash: 3ce349be790154d3297e9df87b239ff125131c0f
MD5 hash: 24a8e25a3729c431633b27af969645fb
humanhash: november-aspen-eleven-lithium
File name:b05b676fcd96d5f2399989accf27abca7551c727c84c5a2752396d3e971c02ca
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'103 bytes
First seen:2020-11-10 11:39:50 UTC
Last seen:2024-07-24 20:24:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:fCQYquz7mxceiVmN87q6cHkmTIwdA+EEW9Si8/A7W2FeDSIGVH/KIDgDgUeHbY1V:AGxbLUuHkm5J6QDbGV6eH81kK
Threatray 21 similar samples on MalwareBazaar
TLSH 0B958D7277B61457D41365B1B41FE270A828BD2E6760A6EE1B723E0DACF36C0241736B
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
62
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
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/528642
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
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: 313416 Sample: 7cVt78Zwm6 Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 130 Antivirus detection for dropped file 2->130 132 Antivirus / Scanner detection for submitted sample 2->132 134 Yara detected AveMaria stealer 2->134 136 5 other signatures 2->136 12 7cVt78Zwm6.exe 1 51 2->12         started        15 StikyNot.exe 46 2->15         started        17 SyncHost.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 182 Detected unpacking (changes PE section rights) 12->182 184 Detected unpacking (overwrites its own PE header) 12->184 186 Spreads via windows shares (copies files to share folders) 12->186 200 3 other signatures 12->200 21 7cVt78Zwm6.exe 1 3 12->21         started        25 diskperf.exe 5 12->25         started        188 Writes to foreign memory regions 15->188 190 Allocates memory in foreign processes 15->190 192 Injects a PE file into a foreign processes 15->192 27 StikyNot.exe 15->27         started        29 diskperf.exe 15->29         started        194 Antivirus detection for dropped file 17->194 196 Machine Learning detection for dropped file 17->196 198 Sample uses process hollowing technique 17->198 31 WerFault.exe 19->31         started        process5 file6 94 C:\Windows\System\explorer.exe, PE32 21->94 dropped 172 Installs a global keyboard hook 21->172 33 explorer.exe 47 21->33         started        96 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 25->96 dropped 98 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 25->98 dropped 100 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 25->100 dropped 102 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 25->102 dropped 37 StikyNot.exe 46 25->37         started        signatures7 process8 file9 90 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 33->90 dropped 92 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 33->92 dropped 138 Antivirus detection for dropped file 33->138 140 Detected unpacking (creates a PE file in dynamic memory) 33->140 142 Machine Learning detection for dropped file 33->142 150 7 other signatures 33->150 39 explorer.exe 3 17 33->39         started        44 diskperf.exe 33->44         started        144 Detected unpacking (changes PE section rights) 37->144 146 Detected unpacking (overwrites its own PE header) 37->146 148 Spreads via windows shares (copies files to share folders) 37->148 46 StikyNot.exe 37->46         started        48 diskperf.exe 37->48         started        signatures10 process11 dnsIp12 110 vccmd03.googlecode.com 39->110 112 vccmd02.googlecode.com 39->112 114 5 other IPs or domains 39->114 104 C:\Windows\System\spoolsv.exe, PE32 39->104 dropped 106 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 39->106 dropped 174 System process connects to network (likely due to code injection or exploit) 39->174 176 Creates an undocumented autostart registry key 39->176 178 Installs a global keyboard hook 39->178 50 spoolsv.exe 46 39->50         started        53 spoolsv.exe 46 39->53         started        55 spoolsv.exe 46 39->55         started        59 3 other processes 39->59 180 Drops executables to the windows directory (C:\Windows) and starts them 46->180 57 explorer.exe 46->57         started        file13 signatures14 process15 signatures16 152 Antivirus detection for dropped file 50->152 154 Detected unpacking (changes PE section rights) 50->154 156 Detected unpacking (creates a PE file in dynamic memory) 50->156 170 3 other signatures 50->170 61 spoolsv.exe 50->61         started        65 diskperf.exe 50->65         started        158 Spreads via windows shares (copies files to share folders) 53->158 160 Injects a PE file into a foreign processes 53->160 67 spoolsv.exe 53->67         started        69 diskperf.exe 53->69         started        162 Writes to foreign memory regions 55->162 164 Allocates memory in foreign processes 55->164 71 spoolsv.exe 55->71         started        73 diskperf.exe 55->73         started        166 Sample uses process hollowing technique 57->166 168 Drops executables to the windows directory (C:\Windows) and starts them 59->168 75 spoolsv.exe 59->75         started        77 spoolsv.exe 59->77         started        79 4 other processes 59->79 process17 file18 108 C:\Windows\System\svchost.exe, PE32 61->108 dropped 202 Installs a global keyboard hook 61->202 81 svchost.exe 61->81         started        204 Drops executables to the windows directory (C:\Windows) and starts them 67->204 84 svchost.exe 67->84         started        signatures19 process20 signatures21 116 Antivirus detection for dropped file 81->116 118 Detected unpacking (changes PE section rights) 81->118 120 Detected unpacking (overwrites its own PE header) 81->120 122 Machine Learning detection for dropped file 81->122 86 svchost.exe 81->86         started        88 diskperf.exe 81->88         started        124 Spreads via windows shares (copies files to share folders) 84->124 126 Sample uses process hollowing technique 84->126 128 Injects a PE file into a foreign processes 84->128 process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b05b676fcd96d5f2399989accf27abca7551c727c84c5a2752396d3e971c02ca/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 00:09:07 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbnwo36ns3k7eomzrgwm6j5lzj2vdrzhzbgfuj2shfwt5fy4alfa._file
Verdict:
unknown
Similar samples:
143351152c41df32cdb16965fcdc462217d3ac7781d3681a75611611322e8c63
AveMariaRAT
2fe35a045b5cb09c0201966f207004807c4922e606d5577e2129b7d60111cb0f
AveMariaRAT
591bd58288a32ff3bc9eaf71576a900e19d5cfc93115c93145cc9f6c295a3b75
AveMariaRAT
6bec4d80ac87d9044cb68c115981dcba5a0b7ae3f36341d1c3282729402edfe6
AveMariaRAT
8220a8c4adb4f8132d5586dac58766a76c873d3eba42e0f0c2c772a60f9a04be
AveMariaRAT
888b237bd0bc2fbd730c03a27d41f37a80535f15d5601c8d2dd4c2483e8baea3
AveMariaRAT
9750507a265b34dfac0e3818ca7e3f3859333320a448d8682e1a2ca1a0d55d4f
AveMariaRAT
a2588d62af6b7d4936fe20aae1d206b6dda2a9002dedd7069bdd7785e83ce810
AveMariaRAT
b69c57847c5e9772e953fe909b7afa2a30eccf6bdaebfc5fc237d03ac85cd99c
AveMariaRAT
fd8d043f076ff1fa49472ef39692d8a5fff8f3f5d931b89831078a03c0457bcc
AveMariaRAT
+ 11 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/201110-e228kftqt2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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
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: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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