MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments
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SHA256 hash: b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54
SHA3-384 hash: e77c111134a23d9ff26ebb99a79ccecf3359bc53d5ff046f52714f74d74cd41cd38d456b467b9fab14132ad2b6bdb9af
SHA1 hash: 4c3a4304ea728335e485f57dbbd055cc64a605ce
MD5 hash: b4c0f0133eda9357e505b6782826446e
humanhash: illinois-quiet-london-floor
File name:b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'028'703 bytes
First seen:2021-02-28 07:25:50 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 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHF:7v97AXmw4gxeOw46fUbNecCCFbNecG
TLSH 54E58DC2BEBD445BD23290B6F20F21229BF3693483017B1F37B57D45BAA32D4954968B
Reporter JAMESWT_WT
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
670
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:55:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f68a1663-4109-4992-8ddb-6f1083212df8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119970/
Detection(s):
PUA.Win.Packer.Asprotect-3
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Win.Malware.Ursu-6793772-0
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Win.Malware.Ursu-6914170-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
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Win.Trojan.Ulise-9792178-0
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Win.Trojan.Ulise-9792179-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620754
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
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
Malicious sample detected (through community Yara rule)
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: 359371 Sample: GBTuwHRYzL Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 138 Malicious sample detected (through community Yara rule) 2->138 140 Antivirus detection for dropped file 2->140 142 Antivirus / Scanner detection for submitted sample 2->142 144 7 other signatures 2->144 13 GBTuwHRYzL.exe 2->13         started        16 svchost.exe 2->16         started        18 svchost.exe 9 1 2->18         started        21 3 other processes 2->21 process3 dnsIp4 200 Detected unpacking (changes PE section rights) 13->200 202 Detected unpacking (creates a PE file in dynamic memory) 13->202 204 Detected unpacking (overwrites its own PE header) 13->204 208 4 other signatures 13->208 23 GBTuwHRYzL.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        206 Changes security center settings (notifications, updates, antivirus, firewall) 16->206 114 127.0.0.1 unknown unknown 18->114 signatures5 process6 signatures7 168 Spreads via windows shares (copies files to share folders) 23->168 170 Writes to foreign memory regions 23->170 172 Allocates memory in foreign processes 23->172 178 2 other signatures 23->178 28 GBTuwHRYzL.exe 1 3 23->28         started        32 diskperf.exe 5 23->32         started        174 Command shell drops VBS files 26->174 176 Drops VBS files to the startup folder 26->176 34 conhost.exe 26->34         started        process8 file9 106 C:\Windows\System\explorer.exe, PE32 28->106 dropped 210 Installs a global keyboard hook 28->210 36 explorer.exe 28->36         started        108 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 32->108 dropped 110 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 32->110 dropped 112 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 32->112 dropped 39 StikyNot.exe 32->39         started        signatures10 process11 signatures12 148 Antivirus detection for dropped file 36->148 150 Detected unpacking (changes PE section rights) 36->150 152 Detected unpacking (overwrites its own PE header) 36->152 160 2 other signatures 36->160 41 explorer.exe 47 36->41         started        45 cmd.exe 1 36->45         started        154 Machine Learning detection for dropped file 39->154 156 Tries to detect sandboxes / dynamic malware analysis system (file name check) 39->156 158 Injects a PE file into a foreign processes 39->158 47 StikyNot.exe 46 39->47         started        49 cmd.exe 1 39->49         started        process13 file14 102 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 41->102 dropped 104 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 41->104 dropped 190 Injects code into the Windows Explorer (explorer.exe) 41->190 192 Drops executables to the windows directory (C:\Windows) and starts them 41->192 194 Spreads via windows shares (copies files to share folders) 41->194 198 2 other signatures 41->198 51 explorer.exe 3 17 41->51         started        56 diskperf.exe 41->56         started        58 conhost.exe 45->58         started        196 Injects a PE file into a foreign processes 47->196 60 StikyNot.exe 47->60         started        62 conhost.exe 49->62         started        signatures15 process16 dnsIp17 116 vccmd03.googlecode.com 51->116 118 vccmd02.googlecode.com 51->118 120 5 other IPs or domains 51->120 96 C:\Windows\System\spoolsv.exe, PE32 51->96 dropped 98 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 51->98 dropped 162 System process connects to network (likely due to code injection or exploit) 51->162 164 Creates an undocumented autostart registry key 51->164 166 Installs a global keyboard hook 51->166 64 spoolsv.exe 51->64         started        67 spoolsv.exe 51->67         started        69 spoolsv.exe 51->69         started        100 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 56->100 dropped file18 signatures19 process20 signatures21 122 Antivirus detection for dropped file 64->122 124 Detected unpacking (changes PE section rights) 64->124 126 Detected unpacking (creates a PE file in dynamic memory) 64->126 136 2 other signatures 64->136 71 spoolsv.exe 64->71         started        74 cmd.exe 64->74         started        128 Tries to detect sandboxes / dynamic malware analysis system (file name check) 67->128 130 Drops executables to the windows directory (C:\Windows) and starts them 67->130 132 Injects a PE file into a foreign processes 67->132 76 spoolsv.exe 67->76         started        78 cmd.exe 67->78         started        134 Sample uses process hollowing technique 69->134 80 cmd.exe 69->80         started        process22 file23 180 Spreads via windows shares (copies files to share folders) 71->180 182 Writes to foreign memory regions 71->182 184 Allocates memory in foreign processes 71->184 83 spoolsv.exe 71->83         started        86 diskperf.exe 71->86         started        88 conhost.exe 74->88         started        186 Sample uses process hollowing technique 76->186 188 Injects a PE file into a foreign processes 76->188 90 conhost.exe 78->90         started        94 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 80->94 dropped 92 conhost.exe 80->92         started        signatures24 process25 signatures26 146 Installs a global keyboard hook 83->146
Detection:
avemaria
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2021-02-26 20:27:42 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woheaf2asf42btuepzmvdzqupejizkvkpjzbx4nmx3hi37d4zrka._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat family:xmrig evasion infostealer miner persistence rat
Link:
https://tria.ge/reports/210228-dm5efzlqz6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
xmrig
Unpacked files
SH256 hash:
b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54
MD5 hash:
b4c0f0133eda9357e505b6782826446e
SHA1 hash:
4c3a4304ea728335e485f57dbbd055cc64a605ce
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/5234afba-a4ba-4e28-96e2-d4dd80c54cbd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b38e4017409179a0ce847e5951e61479128caaaa7a721bf1acbece8dfc7ccc54

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:AveMaria
Create hunting rule
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:ave_maria_warzone_rat
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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
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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
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Author:ditekSHen
Description:Detects executables packed with ASPack
Rule name:MALWARE_Win_AveMaria
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Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
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Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:RDPWrap
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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.

Cape
Cape
https://www.capesandbox.com/analysis/119970/

Comments