MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3df7d3bb9a05ff881cec0a5947916d08030d2424c8a233820dff5e92a95f4a5. 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 6 File information Comments

SHA256 hash: f3df7d3bb9a05ff881cec0a5947916d08030d2424c8a233820dff5e92a95f4a5
SHA3-384 hash: 294a9949866cda3bb5926de1c61a6767617eae48c98c2cdcb4c8d9e3974fc118a1a68c18e7ec1c41995cd880aae50257
SHA1 hash: c7520c8bda0333e06819c4d3a08e56fb2f335724
MD5 hash: 6f84d3b89f8cf8c054919479dbac1354
humanhash: steak-alabama-yellow-august
File name:info.exe
Download: download sample
Signature AveMariaRAT
File size:301'056 bytes
First seen:2020-08-15 17:24:27 UTC
Last seen:2020-08-15 17:53:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:nzDw4EcmZHyXFaxmVmie9bngP5VGb+1tPnvXSYSw8FOz0oJlNE4axgU:zs4EcmZHAFaxmVmie9bngP5V4wviFFWF
Threatray 434 similar samples on MalwareBazaar
TLSH 5254CFAC30E0A676F6F85BF6A8702D0803B637160826EF4F1CD562F193E6BD1795190B
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: outsmtp03.sadecehosting.com
Sending IP: 78.135.113.146
From: defnenet@rcp01.hosting.sh.com.tr
Reply-To: mdaan23480@gmail.com
Subject: COOPARATION OFFER
Attachment: info.zip (contains "info.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
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
Creating a file
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
Enabling autorun by creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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)
Detected unpacking (creates a PE file in dynamic memory)
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268449 Sample: info.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 85 Malicious sample detected (through community Yara rule) 2->85 87 Sigma detected: Scheduled temp file as task from temp location 2->87 89 Yara detected AntiVM_3 2->89 91 4 other signatures 2->91 10 info.exe 7 2->10         started        14 images.exe 2->14         started        16 rdpvideominiport.sys 2->16         started        18 rdpdr.sys 2->18         started        process3 file4 71 C:\Users\user\AppData\Local\...\tmpA870.tmp, XML 10->71 dropped 73 C:\Users\user\AppData\Local\...\info.exe.log, ASCII 10->73 dropped 75 C:\Users\user\AppData\...\rscOuiBOXvF.exe, PE32 10->75 dropped 105 Contains functionality to inject threads in other processes 10->105 107 Contains functionality to steal Chrome passwords or cookies 10->107 109 Contains functionality to steal e-mail passwords 10->109 20 info.exe 5 5 10->20         started        24 schtasks.exe 1 10->24         started        111 Injects a PE file into a foreign processes 14->111 26 schtasks.exe 14->26         started        28 images.exe 14->28         started        signatures5 process6 file7 61 C:\ProgramData\images.exe, PE32 20->61 dropped 63 C:\ProgramData\images.exe:Zone.Identifier, ASCII 20->63 dropped 93 Increases the number of concurrent connection per server for Internet Explorer 20->93 95 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->95 30 images.exe 5 20->30         started        33 powershell.exe 24 20->33         started        35 conhost.exe 24->35         started        37 conhost.exe 26->37         started        signatures8 process9 signatures10 113 Detected unpacking (creates a PE file in dynamic memory) 30->113 115 Injects a PE file into a foreign processes 30->115 39 images.exe 30->39         started        44 schtasks.exe 30->44         started        46 conhost.exe 33->46         started        process11 dnsIp12 77 defnenet.com 78.135.65.20, 443, 49732 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 39->77 79 nchijindu2.hopto.org 217.182.15.130, 49731, 49903 OVHFR France 39->79 65 C:\Users\user\AppData\Roaming\pwh.shIyz.exe, PE32 39->65 dropped 67 C:\Users\user\AppData\Local\...\info[1].exe, PE32 39->67 dropped 69 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 39->69 dropped 97 Hides user accounts 39->97 99 Writes to foreign memory regions 39->99 101 Allocates memory in foreign processes 39->101 103 2 other signatures 39->103 48 pwh.shIyz.exe 39->48         started        51 powershell.exe 39->51         started        53 cmd.exe 39->53         started        55 conhost.exe 44->55         started        file13 signatures14 process15 signatures16 81 Writes to foreign memory regions 48->81 83 Injects a PE file into a foreign processes 48->83 57 conhost.exe 51->57         started        59 conhost.exe 53->59         started        process17
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-15 17:25:42 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Suspicious use of SetThreadContext
Drops file in System32 directory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Modifies WinLogon
Adds Run key to start application
Modifies WinLogon
Loads dropped DLL
Loads dropped DLL
Executes dropped EXE
Sets DLL path for service in the registry
Executes dropped EXE
Sets DLL path for service in the registry
ServiceHost packer
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: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:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:win_ave_maria_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

AveMariaRAT

Executable exe f3df7d3bb9a05ff881cec0a5947916d08030d2424c8a233820dff5e92a95f4a5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments