MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3efed9bad2e999160d9975d503dfc10f3cdf38104aa88131bcf0dd92a59b6a43. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3efed9bad2e999160d9975d503dfc10f3cdf38104aa88131bcf0dd92a59b6a43
SHA3-384 hash: b6baba235abf1ea813271299f65ae526e49c071f8ad353e69550bedeee19c27f79c10338d136a6a3c2f4ba556446d90a
SHA1 hash: 4ea5f8d812400535277612c37bdf30915d6badae
MD5 hash: b748b0f4b7ba273fcfc5f723b988a983
humanhash: blossom-chicken-network-berlin
File name:Inquiry-20201109093216.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'798'656 bytes
First seen:2020-11-09 15:30:48 UTC
Last seen:2020-11-15 23:01:45 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 12288:IEk8knC+r7whViMpPGJtadkaJaRS3F6MF+t+YUNIm:IEk8knC+r7whViMpPGJta
Threatray 563 similar samples on MalwareBazaar
TLSH 2885D6E1000CEA3A8269EF115079B66A8185D4E71F907568567B7ABEF0393F8FD1C2F4
Reporter abuse_ch
Tags:AveMariaRAT exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: blue5013.server-cp.com
Sending IP: 62.138.13.16
From: Edward Cutajar <edward@cutajarsupplies.com>
Subject: Request For Quotation- November/December Order
Attachment: Inquiry-20201109093216.r00 (contains "Inquiry-20201109093216.exe")

Intelligence

File Origin
# of uploads :
4
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
DNS request
Connection attempt
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/526817
Signature
Contains functionality to hide a thread from the debugger
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 threads from debuggers
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3efed9bad2e999160d9975d503dfc10f3cdf38104aa88131bcf0dd92a59b6a43/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 08:57:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h37ntows5gmrmdmzoxkqhx6bb46n6oaqjkuicmn46dozfjm3njbq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
1b73a2e9bb46a4af54c4c42608e75b729ffa44a432d48aed81b2cf9599c2c7f5
AveMariaRAT
210907c63a822466ef533403076830467ea49fd5fad67af25528ab558eeb9415
AveMariaRAT
285f4e79ae946ef179e45319caf11bf0c1cdaa376924b83bfbf82ed39361911b
AveMariaRAT
455ea8ac576f3d44ecb310e3068e3ff759c8d6bc43344a1ad11ea5762b85d201
AveMariaRAT
82b070a42d50b8e37b551543e041933140f3823138b0997fccd4ad926df8183b
AveMariaRAT
838bd3c3ce0091704b836352a4e5d489b8e172e8ef6a7dc18462ce3042c6d716
AveMariaRAT
8eb47be229e6a2bf70d2a46deb714c60ce6d60e335d45fced78879798fa811c9
AveMariaRAT
913171727a31831be646f7712f8adc3c310affe7897e9556cf1099d743b12913
AveMariaRAT
a21a0d414080476ea51f99a3d207c12e1e9b15646b39338e989ed817a91429f6
AveMariaRAT
fbe762c8c464730d016cd2ef76955fe726f74abd031cea612d6a08bce2383a3e
AveMariaRAT
+ 553 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer rat
Link:
https://tria.ge/reports/201109-8q5f78rbbx/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Warzone RAT Payload
WarzoneRat, AveMaria
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3efed9bad2e999160d9975d503dfc10f3cdf38104aa88131bcf0dd92a59b6a43

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
Create hunting rule
Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Cobalt_functions
Create hunting rule
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:Codoso_Gh0st_1
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:RDPWrap
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:win_ave_maria_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_ave_maria_g0
Create hunting rule
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

r00 7a70e0e9f548f18675782b91db62a5edca3078733f11cb4f5c671c56c5355a21

AveMariaRAT

Executable exe 3efed9bad2e999160d9975d503dfc10f3cdf38104aa88131bcf0dd92a59b6a43

(this sample)

  
Dropped by
MD5 b60211e3b9f46aeb382d046ada835c5e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7a70e0e9f548f18675782b91db62a5edca3078733f11cb4f5c671c56c5355a21

Comments