MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8. 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 14 File information Comments 1

SHA256 hash: fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8
SHA3-384 hash: 34b9ae248e6c824501a9ef598d500225de6d7a74c842a862ff446fc218da0a3a431fcedf84cf0e3ff3263bbee7430cd6
SHA1 hash: c8a0ba42f8076b5c2b0d4cd2e0e6225b509b9f0c
MD5 hash: b858a1f896ba459493486676e59af5ad
humanhash: papa-pennsylvania-bravo-artist
File name:b858a1f896ba459493486676e59af5ad
Download: download sample
Signature AveMariaRAT
File size:156'160 bytes
First seen:2021-07-30 08:22:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b9494f92817e4dfbe294ad842e8f1988 (37 x AveMariaRAT)
ssdeep 3072:4NLOpnhTdOw9YAJOzIY9gVl01T2ENipdDg0z5:4NLYdT97JSIFl0QENqF
Threatray 1'672 similar samples on MalwareBazaar
TLSH T11CE37C327BE188B9E6F6013109F53F39CB7DF93111208AAB63905A468D37ACDE955783
Reporter zbetcheckin
Tags:32 AveMariaRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
590
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b858a1f896ba459493486676e59af5ad
Verdict:
Malicious activity
Analysis date:
2021-07-30 08:24:00 UTC
Tags:
trojan stealer rat avemaria

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
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
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 456777 Sample: g2v7gt7qnt Startdate: 30/07/2021 Architecture: WINDOWS Score: 100 32 sdafsdffssffs.ydns.eu 2->32 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 5 other signatures 2->42 9 g2v7gt7qnt.exe 4 5 2->9         started        signatures3 process4 file5 28 C:\ProgramData\images.exe, PE32 9->28 dropped 30 C:\ProgramData\images.exe:Zone.Identifier, ASCII 9->30 dropped 46 Contains functionality to inject threads in other processes 9->46 48 Contains functionality to steal Chrome passwords or cookies 9->48 50 Contains functionality to steal e-mail passwords 9->50 52 2 other signatures 9->52 13 images.exe 4 9->13         started        17 cmd.exe 1 9->17         started        signatures6 process7 dnsIp8 34 sdafsdffssffs.ydns.eu 203.159.80.107, 49687, 49693, 6703 LOVESERVERSGB Netherlands 13->34 54 Antivirus detection for dropped file 13->54 56 Detected unpacking (creates a PE file in dynamic memory) 13->56 58 Machine Learning detection for dropped file 13->58 60 7 other signatures 13->60 19 cmd.exe 1 13->19         started        21 reg.exe 1 1 17->21         started        24 conhost.exe 17->24         started        signatures9 process10 signatures11 26 conhost.exe 19->26         started        44 Creates an undocumented autostart registry key 21->44 process12
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-07-30 08:23:06 UTC
AV detection:
40 of 46 (86.96%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:snakekeylogger family:warzonerat infostealer keylogger persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Modifies WinLogon
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Sets DLL path for service in the registry
Snake Keylogger
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
sdafsdffssffs.ydns.eu:6703
https://api.telegram.org/bot1846926808:AAGk2IzxSb5N5fdYKiaTr2kIA9QAdWBcb1Y/sendMessage?chat_id=1407381447
Unpacked files
SH256 hash:
fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8
MD5 hash:
b858a1f896ba459493486676e59af5ad
SHA1 hash:
c8a0ba42f8076b5c2b0d4cd2e0e6225b509b9f0c
Detections:
win_ave_maria_auto win_ave_maria_g0
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_WarZone
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICOIUS_EXE_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_SnakeKeylogger
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:pe_imphash
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_ave_maria_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.ave_maria.

File information


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

Web download

AveMariaRAT

Executable exe fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-30 08:22:17 UTC

url : hxxp://hutyrtit.ydns.eu/microf.exe