MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44631c28fe04318faf429139fae5d95554dc1a9c4fd47b2c2ab2e0fff7667271. 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 6 File information Comments

SHA256 hash: 44631c28fe04318faf429139fae5d95554dc1a9c4fd47b2c2ab2e0fff7667271
SHA3-384 hash: 8010d8a55c64746b9df1a748b0b23a487e4107a2a5c906d65eb711a82b821742fa525eb976eaf9ceaff8ce5d38130867
SHA1 hash: d600171e802bf1af82cd5a88484b84787738fe2a
MD5 hash: a5bcd2c4a412ec6662a2ad9246ef5f57
humanhash: grey-summer-seven-beryllium
File name:Bank Copy.exe
Download: download sample
Signature AveMariaRAT
File size:535'552 bytes
First seen:2020-09-21 04:00:25 UTC
Last seen:2020-09-21 04:36:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:e++r1s0nfkxL8UGPpzgCmqqCt/b7ejl2:eRr1s0VR7mG/el2
Threatray 438 similar samples on MalwareBazaar
TLSH E4B4CF2031A23F5AD1988BB80344B972C3A554257752D3A4BF4B32FEAAF17D03D65B4B
Reporter cocaman
Tags:AveMariaRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Launching a process
Creating a process with a hidden window
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to create processes via WMI
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 files in alternative data streams (ADS)
Creates processes via WMI
Drops script or batch files to the startup folder
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 287905 Sample: Bank Copy.exe Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 13 other signatures 2->70 10 Bank Copy.exe 3 2->10         started        14 cmd.exe 2->14         started        process3 file4 54 C:\Users\user\AppData\...\Bank Copy.exe.log, ASCII 10->54 dropped 72 Injects a PE file into a foreign processes 10->72 16 Bank Copy.exe 4 8 10->16         started        20 svchost.exe 10->20         started        23 WMIC.exe 14->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 46 C:\ProgramData\images.exe, PE32 16->46 dropped 48 C:\ProgramData:ApplicationData, PE32 16->48 dropped 50 C:\Users\user\AppData\...\programs.bat:start, ASCII 16->50 dropped 52 2 other malicious files 16->52 dropped 58 Creates files in alternative data streams (ADS) 16->58 60 Increases the number of concurrent connection per server for Internet Explorer 16->60 27 images.exe 3 16->27         started        30 powershell.exe 24 16->30         started        56 127.0.0.1 unknown unknown 20->56 62 Creates processes via WMI 23->62 file8 signatures9 process10 signatures11 74 Multi AV Scanner detection for dropped file 27->74 76 Injects a PE file into a foreign processes 27->76 32 images.exe 2 27->32         started        34 images.exe 27->34         started        36 images.exe 27->36         started        38 conhost.exe 30->38         started        process12 process13 40 powershell.exe 24 32->40         started        42 cmd.exe 32->42         started        process14 44 conhost.exe 40->44         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-20 23:12:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Drops startup file
Loads dropped DLL
Drops startup file
Executes dropped EXE
Executes dropped EXE
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 44631c28fe04318faf429139fae5d95554dc1a9c4fd47b2c2ab2e0fff7667271

(this sample)

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