MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 100d72df90d93cea79a74e9550eaee5ce52d393d0281cdb3adfe17046e2ef4ac. 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 15 File information Comments

SHA256 hash: 100d72df90d93cea79a74e9550eaee5ce52d393d0281cdb3adfe17046e2ef4ac
SHA3-384 hash: 7276b8c438964de2c686a4eaa8012f0db1af5a400203ae26e5b9193538f83a176427e5b075e7105643e3f2e9a2cf839e
SHA1 hash: 7d327a2208301dea386fa83faa8e58b66643ec04
MD5 hash: c0cfc2070a6f9ce8a03ca7892dacab63
humanhash: dakota-august-delaware-hamper
File name:New order samples #8495.exe
Download: download sample
Signature AveMariaRAT
File size:429'056 bytes
First seen:2020-11-09 16:06:32 UTC
Last seen:2020-11-15 23:21:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:ikfBmujgGTYaUHp2qs908M0s/NK2HrTqCSCKjRdBHMlU8LFH4eY8it:NfBmbhcq808MRNfLu/3t8LFYeY
Threatray 564 similar samples on MalwareBazaar
TLSH 4C94CE7B7501B98EF71B8C73D4902FB01E606C379B06E61A789B32A9513D65ACE009FD
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: s237797.cloud.flynet.pro
Sending IP: 193.47.34.9
From: Demink Samm <Demink@etcconnect.com>
Subject: Re: New order samples #8495
Attachment: New order samples 8495.zip (contains "New order samples #8495.exe")

Intelligence


File Origin
# of uploads :
5
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Launching a service
Loading a system driver
Enabling autorun for a service
Forced shutdown of a system process
Enabling autorun by creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
Increases the number of concurrent connection per server for Internet Explorer
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312470 Sample: New order samples #8495.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 12 other signatures 2->43 7 New order samples #8495.exe 6 2->7         started        10 tsusbhub.sys 3 2->10         started        12 rdpdr.sys 8 2->12         started        14 rdpvideominiport.sys 4 2->14         started        process3 file4 29 C:\Users\user\AppData\...\zmIYPPIQoSrn.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp51E7.tmp, XML 7->31 dropped 33 C:\Users\...33ew order samples #8495.exe.log, ASCII 7->33 dropped 16 New order samples #8495.exe 8 7 7->16         started        21 schtasks.exe 1 7->21         started        23 New order samples #8495.exe 7->23         started        process5 dnsIp6 35 67.205.143.54, 1122, 49712 DIGITALOCEAN-ASNUS United States 16->35 27 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 16->27 dropped 45 Hides user accounts 16->45 47 Tries to steal Mail credentials (via file access) 16->47 49 Tries to harvest and steal browser information (history, passwords, etc) 16->49 51 2 other signatures 16->51 25 conhost.exe 21->25         started        file7 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-11-09 14:57:55 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Suspicious use of SetThreadContext
JavaScript code in executable
Modifies WinLogon
Loads dropped DLL
Reads user/profile data of web browsers
Sets DLL path for service in the registry
Warzone RAT Payload
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_WarZone
Rule name:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Cobalt_functions
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:Codoso_Gh0st_1
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
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
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:RDPWrap
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
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:win_ave_maria_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_malumpos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

b39cc99396af0db3021dffde0da2f396

AveMariaRAT

Executable exe 100d72df90d93cea79a74e9550eaee5ce52d393d0281cdb3adfe17046e2ef4ac

(this sample)

  
Dropped by
MD5 b39cc99396af0db3021dffde0da2f396
  
Delivery method
Distributed via e-mail attachment

Comments