MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb
SHA3-384 hash: 4e9a99ee869605613f5dfa3f5b81bf2c45bd432430613a2dcce4cc06473425456c2154e3daeb521091da3ce68dd94e6a
SHA1 hash: 44959cb8f32f3355964943f0672ae9e7d9a70712
MD5 hash: 73533d8296934c253ab214aec0377ff8
humanhash: kitten-massachusetts-mockingbird-sweet
File name:DocumentoNota Cobrança IMI (FFPT-2019223912003).exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:857'400 bytes
First seen:2020-10-06 18:17:12 UTC
Last seen:2020-10-06 19:14:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:yRUqwqo6EaNjHjBfFnsIigDI8QyJSBAJZRs8FgqTG6Ju71Pj5R3ReENEaUgXaHn7:uFfDD2UMW6ngE+9opPZdL7Q+g
Threatray 448 similar samples on MalwareBazaar
TLSH 4C05583A6A26A803D4DF7170DC105C60937B2CEFEB3440A564EE350F976D2E4B956AF2
Reporter abuse_ch
Tags:AveMariaRAT exe geo PRT RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: h22.megalink.com
Sending IP: 200.75.160.22
From: Viactt | ctt.pt <no-reply@posta.hu>
Subject: ViaCTT - Recebeu novo(s) documento(s) na Caixa Postal Eletrónica
Attachment: DocumentoNota Cobrança IMI (FFPT-2019223912003).gz (contains "DocumentoNota Cobrança IMI (FFPT-2019223912003).exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68662/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Creating a file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Unauthorized injection to a system process
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/483185
Signature
Binary contains a suspicious time stamp
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 an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 294057 Sample: DocumentoNota Cobran#U00e7a... Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 8 other signatures 2->61 7 DocumentoNota Cobran#U00e7a IMI (FFPT-2019223912003).exe 3 4 2->7         started        11 DocumentoNota Cobran#U00e7a IMI (FFPT-2019223912003).exe 2->11         started        13 DocumentoNota Cobran#U00e7a IMI (FFPT-2019223912003).exe 2 2->13         started        15 3 other processes 2->15 process3 file4 49 DocumentoNota Cobr...-2019223912003).exe, PE32 7->49 dropped 51 DocumentoNota Cobr...exe:Zone.Identifier, ASCII 7->51 dropped 71 Creates an undocumented autostart registry key 7->71 73 Writes to foreign memory regions 7->73 75 Hides threads from debuggers 7->75 17 aspnet_state.exe 3 2 7->17         started        21 timeout.exe 1 7->21         started        23 WerFault.exe 23 9 7->23         started        77 Creates autostart registry keys with suspicious names 11->77 79 Creates multiple autostart registry keys 11->79 81 Injects a PE file into a foreign processes 11->81 25 timeout.exe 11->25         started        27 timeout.exe 1 13->27         started        33 3 other processes 13->33 29 timeout.exe 1 15->29         started        31 timeout.exe 15->31         started        35 3 other processes 15->35 signatures5 process6 dnsIp7 53 178.170.138.163, 4554 ETOP-ASPL Netherlands 17->53 63 Contains functionality to inject threads in other processes 17->63 65 Contains functionality to steal Chrome passwords or cookies 17->65 67 Contains functionality to steal e-mail passwords 17->67 69 2 other signatures 17->69 37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        47 conhost.exe 35->47         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-10-06 15:11:28 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lojnp6djs45vbxqmob6olcx2zvxrearwikb4px72n76xtja2spvq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
18ec681c471f185edf3ab8e23b52b4ea2a87162f9957b4d5d10ac0e2bc008405
AveMariaRAT
44631c28fe04318faf429139fae5d95554dc1a9c4fd47b2c2ab2e0fff7667271
AveMariaRAT
578df50c34d2f8f3146e5c4a457c4e9eac639070d3766ba202c84af6a790d4a7
AveMariaRAT
799b8151e38b9c2557d9ec426c529ff1f394541bd3a6be52c2df06015eba39dd
AveMariaRAT
7fa4e7e851fd8997ceb6a4b87912523dd682387f70eb840afc01806e08c26c2f
AveMariaRAT
d30b949fc05b15b611b3fe420b6883062c5bb2b270c769540c48f703a46cbbf3
AveMariaRAT
df6b12e28602092e6841be50355a76684b5333b236cf9b8441dd73fc1abbf4ae
AveMariaRAT
e0e3ae47b7e48c3c81724d0a63f5f6f8033bb516d97c538ea52349a102a0e1b6
AveMariaRAT
e9ef69bd0b38ec9381f02d44dd893c75ac6c1e6a96f4e320416636860d05d398
AveMariaRAT
fc4b29f54e0b3ed0493ba85310a2665ab47e5143f3cb3ce09686f0560dd1ed04
AveMariaRAT
+ 438 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/201006-95wavbhgp6/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb
MD5 hash:
73533d8296934c253ab214aec0377ff8
SHA1 hash:
44959cb8f32f3355964943f0672ae9e7d9a70712
Link:
https://www.unpac.me/results/694e335f-a4c1-46bd-a1c1-fe8f0c468ac6/
SH256 hash:
d9a96d4452a15cf453b68e4a8d3aef6616579a37634cf131ab6414adff70241c
MD5 hash:
bb1505394b5dc72cdf394b07dbfef49e
SHA1 hash:
9d522759a8081a46c8a459fccb4e1a78a45d1f90
Link:
https://www.unpac.me/results/694e335f-a4c1-46bd-a1c1-fe8f0c468ac6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb

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
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: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: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: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

File information

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

Malspam

AveMariaRAT

gz 33b2833e430028f442cf04ac8ac38f76004d727c28625d9da13e917d3e7f9b4b

AveMariaRAT

Executable exe 5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb

(this sample)

  
Dropped by
MD5 8eeb24192463c2cd1ef95059a7f676e1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68662/
  
Dropped by
SHA256 33b2833e430028f442cf04ac8ac38f76004d727c28625d9da13e917d3e7f9b4b

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