MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea995ab98439bc4ce6209707650964576c98ad11cd270351d4fbb5d0076bc40f. 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



AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: ea995ab98439bc4ce6209707650964576c98ad11cd270351d4fbb5d0076bc40f
SHA3-384 hash: d26cfa5c0de0a17128200a6c77e399730742a34fc4a462ba47dda37ed32a0412387cb819fb11c6f6d776a5a604acdf73
SHA1 hash: 8d1ed5a505bba5df81757273aeef0ff2df403dd7
MD5 hash: 5d8410c20a0349ff3b5a346180455b76
humanhash: texas-arkansas-virginia-victor
File name:EXX.vbs
Download: download sample
Signature AgentTesla
File size:214'988 bytes
First seen:2023-10-09 13:48:14 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:Z/////P/LeDa/////4/////FrqqHFR/////p/////T/////F2/////zA//Bg////:1SrqqHFw
Threatray 295 similar samples on MalwareBazaar
TLSH T14324ED1036FB64ACF1733F5257F9B6A58F6FFAA24239506D245842068BBBE40CD91B31
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter James_inthe_box
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell download and load assembly
Sigma detected: RegAsm connects to smtp port
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322206 Sample: EXX.vbs Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 25 uploaddeimagens.com.br 2->25 27 mail.awelleh3.top 2->27 29 3 other IPs or domains 2->29 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 59 VBScript performs obfuscated calls to suspicious functions 9->59 61 Suspicious powershell command line found 9->61 63 Wscript starts Powershell (via cmd or directly) 9->63 65 3 other signatures 9->65 12 powershell.exe 7 9->12         started        process6 signatures7 67 Suspicious powershell command line found 12->67 69 Found suspicious powershell code related to unpacking or dynamic code loading 12->69 15 powershell.exe 14 15 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 35 uploaddeimagens.com.br 104.21.45.138, 443, 49738 CLOUDFLARENETUS United States 15->35 37 94.156.161.167, 49739, 80 NET1-ASBG Bulgaria 15->37 39 Writes to foreign memory regions 15->39 41 Injects a PE file into a foreign processes 15->41 21 RegAsm.exe 15 2 15->21         started        signatures10 process11 dnsIp12 31 awelleh3.top 185.198.59.26, 49741, 587 HSAE Netherlands 21->31 33 api4.ipify.org 173.231.16.77, 443, 49740 WEBNXUS United States 21->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->53 55 Tries to steal Mail credentials (via file / registry access) 21->55 57 Tries to harvest and steal browser information (history, passwords, etc) 21->57 signatures13
Threat name:
Text.Trojan.Generic
Status:
Suspicious
First seen:
2023-10-09 13:48:11 UTC
File Type:
Text (VBS)
AV detection:
3 of 24 (12.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information


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

  
Delivery method
Other

Comments