MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c666978e3d3fbfa2fe40db4b7de89d5e4e9d4caeacc33b54ba0311aff72a23b. 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 7 File information Comments

SHA256 hash: 0c666978e3d3fbfa2fe40db4b7de89d5e4e9d4caeacc33b54ba0311aff72a23b
SHA3-384 hash: 07c48d3d0a3858b9b5e0fe59f3e0d1c00ff95f51bfb95e52b9e97312e58641e6632ff34747e864582e42528468f60c92
SHA1 hash: 088c5034d956d9b453c6856469b26d70d2147e90
MD5 hash: 8d34431b7dc479085081d123e86356cb
humanhash: florida-five-princess-steak
File name:Confirmed PO# JM19152.pdf.exe
Download: download sample
Signature AveMariaRAT
File size:398'336 bytes
First seen:2020-08-19 06:55:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:1YHtFB/qunldSb0ivl/ZIQlYZfDRD+ITwaAEez3d2qb1jd/NJYsDwUrf/KHKxyoL:12wunldSL9/jlaD8jz3d2qPXFj/Qo+
Threatray 521 similar samples on MalwareBazaar
TLSH 8F844A3535C2443ADF3546B008B899D3B229769C3B478ABFA6CE033E5E1285B776534E
Reporter abuse_ch
Tags:AveMariaRAT exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: pier.snetdns.com
Sending IP: 89.252.191.14
From: John Wu <fion@fethenaillounge.com>
Subject: Confirmed New Purchase Order PO# JM19152
Attachment: Confirmed PO JM19152.pdf.rar (contains "Confirmed PO# JM19152.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Creating a process from a recently created file
DNS request
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
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun for a service
Forced shutdown of a system process
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to hide user accounts
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Tries to detect virtualization through RDTSC time measurements
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-18 19:11:22 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
agilenet persistence spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
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
JavaScript code in executable
Modifies WinLogon
JavaScript code in executable
Modifies WinLogon
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of web browsers
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of web browsers
Executes dropped EXE
Sets DLL path for service in the registry
Executes dropped EXE
Sets DLL path for service in the registry
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
Rule name:win_ave_maria_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

AveMariaRAT

Executable exe 0c666978e3d3fbfa2fe40db4b7de89d5e4e9d4caeacc33b54ba0311aff72a23b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments