MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e31287f1afc48e16ca66b9d46114d41aa81cd9a54ad6a02c77f6ca0575a5ab5. 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: 1e31287f1afc48e16ca66b9d46114d41aa81cd9a54ad6a02c77f6ca0575a5ab5
SHA3-384 hash: 2d24b5485b0dfad2132b3ed54179dc0dac0fd5423230892991efb359197676fe1608378dabacf71e2d6653e2ea039471
SHA1 hash: 8217cccbb97e2ee7228d5a284a6c9c0f3b61c2e3
MD5 hash: 1e8c1105fc52deb41534a9f3ccffa4fe
humanhash: earth-island-victor-music
File name:2345678987654234567890.exe
Download: download sample
Signature AveMariaRAT
File size:931'840 bytes
First seen:2020-08-30 08:59:39 UTC
Last seen:2020-08-30 09:51:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xdCwBXrKh3GCKh3HiG2/OJypNiQR1l3WUNYpy2oCLr1adpwNMS25BJvdGAy8/5z1:3CwRWICvGVJyd35Ypy2Dr1a7
Threatray 425 similar samples on MalwareBazaar
TLSH AE15388D3344739EC847FD36A9941CA8FAB07666D71BD287DC1315AC9A0D58BEF180E2
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

From: "Sales" <rami@smarttours-jo.com>
Subject: 回复: new products and offer
Attachment: 2345678987654234567890.arj (contains "2345678987654234567890.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
Enabling autorun by creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 279653 Sample: 2345678987654234567890.exe Startdate: 30/08/2020 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 8 other signatures 2->37 7 2345678987654234567890.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\nvnZclgZoG.exe, PE32 7->21 dropped 23 C:\Users\...\nvnZclgZoG.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpC4A1.tmp, XML 7->25 dropped 27 C:\Users\...\2345678987654234567890.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 2345678987654234567890.exe 3 4 7->11         started        15 schtasks.exe 1 7->15         started        17 2345678987654234567890.exe 7->17         started        signatures5 process6 dnsIp7 29 ca-fax123.home-webserver.de 103.99.1.43, 1050, 49712 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.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-29 09:53:59 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
JavaScript code in executable
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of web browsers
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 1e31287f1afc48e16ca66b9d46114d41aa81cd9a54ad6a02c77f6ca0575a5ab5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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