MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b2aab17cd5338a066b2f68a577ba4b2d6e9a66b71620482ba165451d7f71745. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 5b2aab17cd5338a066b2f68a577ba4b2d6e9a66b71620482ba165451d7f71745
SHA3-384 hash: 6aa80e98528cd1ece751d1fce4b01808d0d8884056ccc2064cd4400568c25f0d50fc3fddacc340b747dcf458d3ce493e
SHA1 hash: 6098a0fe606a5dcb8e617584234f843a616b1a1b
MD5 hash: ab6e8e7c74e25c2df002a37495451e93
humanhash: snake-montana-island-tennessee
File name:Aviso de Pago_Banco BCP_Pdf.js
Download: download sample
Signature AgentTesla
File size:752 bytes
First seen:2023-10-20 11:32:13 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12:uf++RgGKMsxivO2cbVvDzOJWLKRHNSwMXp1TYRyScjJSUxNp+hHpwGqv:g++RpKMIivlYWJWLKrSwM0ybjEOn+hpI
Threatray 698 similar samples on MalwareBazaar
TLSH T13F019C18DC18D099921223D6A279E62DC9D36097362FE868770DECC85F320287AF45EB
Reporter abuse_ch
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper evasive lolbin masquerade replace sload
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329232 Sample: Aviso_de_Pago_Banco_BCP_Pdf.js Startdate: 20/10/2023 Architecture: WINDOWS Score: 100 35 remisat.com.uy 2->35 37 api.telegram.org 2->37 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for dropped file 2->59 61 9 other signatures 2->61 8 wscript.exe 1 15 2->8         started        13 Kukdjki.exe 14 5 2->13         started        15 Kukdjki.exe 2->15         started        signatures3 process4 dnsIp5 39 remisat.com.uy 192.254.232.209, 443, 49746, 49747 UNIFIEDLAYER-AS-1US United States 8->39 31 C:\Users\user\AppData\Local\...\payload.exe, PE32 8->31 dropped 33 Aviso%20de%20Pago_Banco%20BCP_Pdf[1].exe, PE32 8->33 dropped 63 System process connects to network (likely due to code injection or exploit) 8->63 65 Benign windows process drops PE files 8->65 67 JScript performs obfuscated calls to suspicious functions 8->67 69 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->69 17 payload.exe 16 4 8->17         started        71 Antivirus detection for dropped file 13->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->73 75 Machine Learning detection for dropped file 13->75 21 Kukdjki.exe 2 13->21         started        77 Injects a PE file into a foreign processes 15->77 23 Kukdjki.exe 15->23         started        file6 signatures7 process8 file9 29 C:\Users\user\AppData\Roaming\Kukdjki.exe, PE32 17->29 dropped 43 Antivirus detection for dropped file 17->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->45 47 Machine Learning detection for dropped file 17->47 53 2 other signatures 17->53 25 payload.exe 2 17->25         started        49 Tries to steal Mail credentials (via file / registry access) 23->49 51 Tries to harvest and steal browser information (history, passwords, etc) 23->51 signatures10 process11 dnsIp12 41 api.telegram.org 149.154.167.220, 443, 49748, 49751 TELEGRAMRU United Kingdom 25->41 79 Tries to steal Mail credentials (via file / registry access) 25->79 signatures13
Threat name:
Script-JS.Downloader.Heuristic
Status:
Malicious
First seen:
2023-10-20 11:33:04 UTC
File Type:
Text (VBS)
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6564962941:AAEWWFBvCJUfh4ZCVgXTE-QUYajcwLUCJU0/
Malware family:
AgentTesla
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_OneNote
Author:spatronn
Description:Hard-Detect One

File information


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

Malspam

AgentTesla

Java Script (JS) js 5b2aab17cd5338a066b2f68a577ba4b2d6e9a66b71620482ba165451d7f71745

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments