MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17db20ebfbce957562eb47a2a0db1a052df6352613d554fe707fae58b8975f81. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 17db20ebfbce957562eb47a2a0db1a052df6352613d554fe707fae58b8975f81
SHA3-384 hash: 21215dace9211fb84212079b574ca3227d6e3c0243a43d03d9566a790693ce814b6951ff8abfbeed18160046b5963392
SHA1 hash: 8df6eb97e75e2bd051b8050357c8ad858a7dbd53
MD5 hash: b8664bd772766689b7bb0b6b905855da
humanhash: spring-arizona-one-arizona
File name:PO - Drawings And Specifications Sheet^^^^^dwg.scr
Download: download sample
Signature AveMariaRAT
File size:341'504 bytes
First seen:2022-03-28 12:02:06 UTC
Last seen:2022-03-29 07:57:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:djvSmGp5uQMQg2ZzEjss2VSg1I1cn0sspAgpq8hLyg1uMN0+dzsRs+eE/:drSmGp5DMQ7qPpqOLy0uyL+f/
Threatray 2'557 similar samples on MalwareBazaar
TLSH T13C74DA5A7A745132ED00CA3419F69E15D2EBEE6D2BE0551E24C8F66D1B322FE8F039C1
File icon (PE):PE icon
dhash icon 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AveMariaRAT exe WarzoneRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 598279 Sample: PO - Drawings And Specifica... Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 50 s21.filetransfer.io 2->50 52 filetransfer.io 2->52 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 10 other signatures 2->76 8 PO - Drawings And Specifications Sheet^^^^^dwg.exe 16 7 2->8         started        12 Eslzgqcjk.exe 14 3 2->12         started        14 Eslzgqcjk.exe 1 2->14         started        signatures3 process4 dnsIp5 54 188.114.96.7, 443, 49765, 49840 CLOUDFLARENETUS European Union 8->54 56 filetransfer.io 188.114.97.7, 443, 49764, 49766 CLOUDFLARENETUS European Union 8->56 58 s21.filetransfer.io 8->58 44 PO - Drawings And ...eet^^^^^dwg.exe.log, ASCII 8->44 dropped 46 C:\Users\user\AppData\...slzgqcjk.exe, PE32 8->46 dropped 16 RegAsm.exe 3 4 8->16         started        20 cmd.exe 1 8->20         started        22 cmd.exe 1 8->22         started        60 s21.filetransfer.io 12->60 24 cmd.exe 12->24         started        26 cmd.exe 14->26         started        file6 process7 dnsIp8 48 185.156.175.51, 49823, 64832 M247GB Romania 16->48 62 Tries to steal Mail credentials (via file / registry access) 16->62 64 Contains functionality to inject threads in other processes 16->64 66 Contains functionality to steal Chrome passwords or cookies 16->66 68 4 other signatures 16->68 28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        32 conhost.exe 22->32         started        34 timeout.exe 1 22->34         started        36 conhost.exe 24->36         started        38 timeout.exe 1 24->38         started        40 conhost.exe 26->40         started        42 timeout.exe 26->42         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Status:
Malicious
First seen:
2022-03-28 12:17:54 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
185.156.175.51:64832
Unpacked files
SH256 hash:
17db20ebfbce957562eb47a2a0db1a052df6352613d554fe707fae58b8975f81
MD5 hash:
b8664bd772766689b7bb0b6b905855da
SHA1 hash:
8df6eb97e75e2bd051b8050357c8ad858a7dbd53
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AveMariaRAT

Executable exe 17db20ebfbce957562eb47a2a0db1a052df6352613d554fe707fae58b8975f81

(this sample)

  
Dropped by
warzonerat
  
Delivery method
Distributed via e-mail attachment

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