MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66a88b2366d6da7caf8d1c90c0eb5acecdd9bb3ab3b5fa247ff0793f0bc6b047. 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 8 File information Comments
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SHA256 hash: 66a88b2366d6da7caf8d1c90c0eb5acecdd9bb3ab3b5fa247ff0793f0bc6b047
SHA3-384 hash: 2cd7a5a1cb180721dff688d9190fb68964cfad5533c16f11f1ac5dbf877a025a938bd4cb8e5e52b40da5303263f0aecd
SHA1 hash: 80489323e29f75d4990ef02e3fa8036196323004
MD5 hash: d866f3ac681b0f0e16cfacc9205e28d1
humanhash: kentucky-bakerloo-fourteen-whiskey
File name:66a88b2366d6da7caf8d1c90c0eb5acecdd9bb3ab3b5fa247ff0793f0bc6b047
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'024'696 bytes
First seen:2020-11-11 11:29:17 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:uAu7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHB:uAu7AAmw4gxeOw46fUbNecCCFbNecw
Threatray 3'877 similar samples on MalwareBazaar
TLSH A4E5AFD2B73A0C57EA369AB1B00FD750A28CEA3C4651B7279F76BF4454536C4B1832CA
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Upx-48
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PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Packer.PrivateExeProte-16
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
Sending a UDP request
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
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
Forced shutdown of a system process
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
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/532644
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
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
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 dropped file
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: 315422 Sample: Kyljx4jCLx Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 120 Antivirus detection for dropped file 2->120 122 Antivirus / Scanner detection for submitted sample 2->122 124 Multi AV Scanner detection for submitted file 2->124 126 6 other signatures 2->126 13 Kyljx4jCLx.exe 2->13         started        16 svchost.exe 2->16         started        18 svchost.exe 9 1 2->18         started        21 9 other processes 2->21 process3 dnsIp4 174 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->174 176 Contains functionality to inject code into remote processes 13->176 178 Drops PE files with benign system names 13->178 180 Injects a PE file into a foreign processes 13->180 23 Kyljx4jCLx.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        182 Changes security center settings (notifications, updates, antivirus, firewall) 16->182 108 127.0.0.1 unknown unknown 18->108 28 StikyNot.exe 21->28         started        signatures5 process6 signatures7 138 Spreads via windows shares (copies files to share folders) 23->138 140 Writes to foreign memory regions 23->140 142 Allocates memory in foreign processes 23->142 148 2 other signatures 23->148 30 Kyljx4jCLx.exe 1 3 23->30         started        35 diskperf.exe 5 23->35         started        144 Command shell drops VBS files 26->144 146 Drops VBS files to the startup folder 26->146 37 conhost.exe 26->37         started        process8 dnsIp9 116 192.168.2.1 unknown unknown 30->116 98 C:\Windows\System\explorer.exe, PE32 30->98 dropped 118 Installs a global keyboard hook 30->118 39 explorer.exe 30->39         started        100 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 35->100 dropped 102 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 35->102 dropped 104 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 35->104 dropped 106 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 35->106 dropped 42 StikyNot.exe 35->42         started        file10 signatures11 process12 signatures13 150 Antivirus detection for dropped file 39->150 152 Machine Learning detection for dropped file 39->152 154 Tries to detect sandboxes / dynamic malware analysis system (file name check) 39->154 160 2 other signatures 39->160 44 explorer.exe 47 39->44         started        48 cmd.exe 1 39->48         started        156 Multi AV Scanner detection for dropped file 42->156 158 Injects a PE file into a foreign processes 42->158 50 StikyNot.exe 46 42->50         started        52 cmd.exe 1 42->52         started        process14 file15 94 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 44->94 dropped 96 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 44->96 dropped 184 Injects code into the Windows Explorer (explorer.exe) 44->184 186 Drops executables to the windows directory (C:\Windows) and starts them 44->186 188 Spreads via windows shares (copies files to share folders) 44->188 192 2 other signatures 44->192 54 explorer.exe 3 17 44->54         started        59 diskperf.exe 44->59         started        61 conhost.exe 48->61         started        190 Injects a PE file into a foreign processes 50->190 63 StikyNot.exe 50->63         started        65 diskperf.exe 50->65         started        67 conhost.exe 52->67         started        signatures16 process17 dnsIp18 110 vccmd03.googlecode.com 54->110 112 vccmd02.googlecode.com 54->112 114 4 other IPs or domains 54->114 90 C:\Windows\System\spoolsv.exe, PE32 54->90 dropped 92 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 54->92 dropped 162 System process connects to network (likely due to code injection or exploit) 54->162 164 Creates an undocumented autostart registry key 54->164 166 Installs a global keyboard hook 54->166 69 spoolsv.exe 54->69         started        72 spoolsv.exe 54->72         started        file19 signatures20 process21 signatures22 128 Antivirus detection for dropped file 69->128 130 Machine Learning detection for dropped file 69->130 132 Tries to detect sandboxes / dynamic malware analysis system (file name check) 69->132 74 spoolsv.exe 69->74         started        77 cmd.exe 69->77         started        134 Drops executables to the windows directory (C:\Windows) and starts them 72->134 136 Injects a PE file into a foreign processes 72->136 79 spoolsv.exe 72->79         started        81 cmd.exe 72->81         started        process23 file24 168 Spreads via windows shares (copies files to share folders) 74->168 170 Sample uses process hollowing technique 74->170 172 Injects a PE file into a foreign processes 74->172 84 conhost.exe 77->84         started        88 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 81->88 dropped 86 conhost.exe 81->86         started        signatures25 process26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66a88b2366d6da7caf8d1c90c0eb5acecdd9bb3ab3b5fa247ff0793f0bc6b047/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:32:31 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2uiwi3g23nhzl4ndsimb222z3g5toz2wo27ujd76b4t6c6gwbdq._file
Verdict:
suspicious
Similar samples:
1f8600b60d064d1ba46fda4940bf96dd4b51b8f0bb112be0788e057d2d9d447a
AveMariaRAT
2cca72e6437bfe2378dfd090b0e5d1c702aa43567eb4449e1438340bd2a1ffec
AveMariaRAT
3a65243f9c90c4da9e2eba16f82e9f0c6e963a887a494862e3ab0bf34ad087cf
AveMariaRAT
4872db8439d077ad6e34130a261c2920e293716f92c5c8e2a620c3c68209f48a
AveMariaRAT
8a23a6db2c8886b0d56f69b4139ad8278b49cf2aaa19729ef3d90171d9419f7b
AveMariaRAT
92ce410b14a8518b846cd55254c0e597163717af746c4d615e96f2f9af47c7e0
AveMariaRAT
966b89d6d7cf241f4820acabfa3cbdd5c2322cc02e98fc9d3cd50249bcf3b5e8
AveMariaRAT
a47eb6b30722227c13e4b61032de0f16379fe392022d6d95ad4c077e40c322e5
AveMariaRAT
addefef63597571a7ee0b376ef5ee82509a7cfa58edc0462071761f944733f5a
AveMariaRAT
e420dd12e24cd9f9c1c1ffe71170b7218997b423d126d031fb948b183f803e79
AveMariaRAT
+ 3'867 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Link:
https://tria.ge/reports/201111-eqf7en2k4e/
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
UPX packed file
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
66a88b2366d6da7caf8d1c90c0eb5acecdd9bb3ab3b5fa247ff0793f0bc6b047
MD5 hash:
d866f3ac681b0f0e16cfacc9205e28d1
SHA1 hash:
80489323e29f75d4990ef02e3fa8036196323004
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/992a0bed-91ad-4f3a-b2a6-0c702b52e72e/
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:INDICATOR_EXE_Packed_ASPack
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ASPack
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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