MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae5f1ba8c46a3e8a2d3fd142b6c70184af6c24dbe2e92016bf670b9cfa23bb23. 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: 6


Intelligence 6 IOCs YARA 17 File information Comments
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SHA256 hash: ae5f1ba8c46a3e8a2d3fd142b6c70184af6c24dbe2e92016bf670b9cfa23bb23
SHA3-384 hash: 54916fef3668d246a7403dbe58436bb776b2071aee2022ffe5b282fd7a5534fb80dda9561b0cac35394249cb20d3fb9e
SHA1 hash: f268d8bb492b6d242afe15ab30ad70c352486000
MD5 hash: 9f207bec305e8f04da6d19bf6df452ce
humanhash: hamper-lake-alabama-autumn
File name:9f207bec305e8f04da6d19bf6df452ce.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:356'352 bytes
First seen:2020-10-28 15:24:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 6144:uMYELJ/wJ9jbVynRC3jrGkUnr3aS6CCXdytAA2nNNOdV8oCQ:uZY/WNyReqkUr3aSHxOOd+oC
TLSH ED74E1B23C92697ECA7A0B76506985C0FE7A16C73FA1CF0E705A430C0E11B2BA757657
Reporter abuse_ch
Tags:AveMariaRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
RDPWrap
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80531/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/515296
Signature
.NET source code contains very large array initializations
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
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
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306759 Sample: brRoXvJBvc.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 72 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AveMaria stealer 2->33 35 Sigma detected: Add file from suspicious location to autostart registry 2->35 37 3 other signatures 2->37 7 brRoXvJBvc.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 2->13         started        process3 file4 25 C:\Users\user\AppData\Roaming\...\sk.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\Temp\...\njn.dll, PE32 7->29 dropped 41 Tries to detect virtualization through RDTSC time measurements 7->41 15 sk.exe 2 7->15         started        18 cmd.exe 1 7->18         started        signatures5 process6 signatures7 43 Multi AV Scanner detection for dropped file 15->43 45 Machine Learning detection for dropped file 15->45 47 Tries to detect virtualization through RDTSC time measurements 15->47 20 reg.exe 1 1 18->20         started        23 conhost.exe 18->23         started        process8 signatures9 39 Creates an autostart registry key pointing to binary in C:\Windows 20->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae5f1ba8c46a3e8a2d3fd142b6c70184af6c24dbe2e92016bf670b9cfa23bb23/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 15:26:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat agilenet
Link:
https://tria.ge/reports/201028-tef5py62qs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Warzone RAT Payload
ServiceHost packer
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:AveMaria
Create hunting rule
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:AveMaria_WarZone
Create hunting rule
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:Cobalt_functions
Create hunting rule
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
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:Codoso_Gh0st_2
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_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:MALWARE_Win_AveMaria
Create hunting rule
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Create hunting rule
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:win_ave_maria_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AveMariaRAT

Executable exe ae5f1ba8c46a3e8a2d3fd142b6c70184af6c24dbe2e92016bf670b9cfa23bb23

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/80531/
  
URLhaus
https://urlhaus.abuse.ch/url/755711/
  
Delivery method
Distributed via web download

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