MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc6a2ab54544d8044166111bda55ec6273fddbb3132c09fbaaafb5f40b669ebe. 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: cc6a2ab54544d8044166111bda55ec6273fddbb3132c09fbaaafb5f40b669ebe
SHA3-384 hash: 0f93522db42682e805d304199da01cb4c35feaa8f89ea3979e9cc4e48389b4ae02304a100e96a8273ded5cf4887c8d82
SHA1 hash: ef13ce5d85aa503f2d7c4798f9bc1a8aacad5ba0
MD5 hash: bc5272b9f087bff6efa17364ac7a4e07
humanhash: two-connecticut-comet-arkansas
File name:Shipping.doc2020081234567.exe
Download: download sample
Signature AveMariaRAT
File size:366'080 bytes
First seen:2020-08-12 05:54:44 UTC
Last seen:2020-08-12 07:10:56 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:i826MclawQzKaSxL4XUhamynm9gDbZv6qCVlVNjvTi9pwA7OnSm:i82clRQGTxLfDyHkVlvC7E
Threatray 533 similar samples on MalwareBazaar
TLSH 1C74DE0462945F46D13EAB788330165613F6D92FEB29EB4ABFC31BEC0A53B728750917
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: smtp90.iad3a.emailsrvr.com
Sending IP: 173.203.187.90
From: sarah.zheng <sarah.zheng@fleetpride.com.cn>
Reply-To: sarah.zheng@fleatpride.com
Subject: Track your package
Attachment: Shipping.doc2020081234567.xz (contains "Shipping.doc2020081234567.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
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
DNS request
Connection attempt
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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 potential unpacker
Contains functionality to hide user accounts
Detected unpacking (creates a PE file in dynamic memory)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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: 263120 Sample: Shipping.doc2020081234567.exe Startdate: 12/08/2020 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Yara detected AntiVM_3 2->35 37 7 other signatures 2->37 7 Shipping.doc2020081234567.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\DUOYfYNICQns.exe, PE32 7->21 dropped 23 C:\Users\...\DUOYfYNICQns.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp7AB9.tmp, XML 7->25 dropped 27 C:\...\Shipping.doc2020081234567.exe.log, ASCII 7->27 dropped 39 Detected unpacking (creates a PE file in dynamic memory) 7->39 41 Injects a PE file into a foreign processes 7->41 11 Shipping.doc2020081234567.exe 3 4 7->11         started        15 schtasks.exe 1 7->15         started        17 Shipping.doc2020081234567.exe 7->17         started        signatures5 process6 dnsIp7 29 ca-fax123.home-webserver.de 103.99.1.43, 1050, 49728 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 11->29 43 Tries to steal Mail credentials (via file access) 11->43 45 Increases the number of concurrent connection per server for Internet Explorer 11->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->47 49 Installs a global keyboard hook 11->49 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Status:
Malicious
First seen:
2020-08-11 23:28:54 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
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 cc6a2ab54544d8044166111bda55ec6273fddbb3132c09fbaaafb5f40b669ebe

(this sample)

  
Delivery method
Distributed via e-mail attachment

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