MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507
SHA3-384 hash: 59c099ca66c1fd39e60429d9337f5ec61ac903cc8d7325146a19fd0bde3c5f82d16c6292830ef778fde8e634a3dcc21a
SHA1 hash: 145eb989979aceb7668adfbb835c234faa942f46
MD5 hash: 6a03aa173d749c99fd1bedd8214c0233
humanhash: lactose-wisconsin-south-don
File name:QUOTATION 78957.js
Download: download sample
Signature AgentTesla
Create hunting rule
File size:930'076 bytes
First seen:2023-10-06 14:18:37 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:NyFx22eWBNw9YqHYdUNvc/tXJLs5DblnQ:yx2DwISty53+
TLSH T1A015123AA4E3BED13BFB2D1072842A291D613B6BCB119A1DF3705D449075B709FBA4E4
Reporter abuse_ch
Tags:AgentTesla js

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26270.JsHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25779.JsHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26271.JsHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25834.JsHeur.UNOFFICIAL
Create hunting rule

Js.Downloader.Agent-9914219-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
alien dropper obfuscated
Link:
https://www.filescan.io/uploads/6520175abe42b2ac8e5d9f21/reports/2bd6a001-a3dc-44f1-8936-76b6315479e9/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.5804;Gen:MSILHeracles.JS
Link:
https://www.hybrid-analysis.com/sample/f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321019
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Benign windows process drops PE files
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript file contains suspicious strings
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
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 Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321019 Sample: QUOTATION_78957.js Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 21 api4.ipify.org 2->21 23 api.telegram.org 2->23 25 api.ipify.org 2->25 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 9 other signatures 2->45 8 wscript.exe 1 2 2->8         started        signatures3 process4 file5 19 C:\Users\user\AppData\...\V5vJGdWHFqIDFs1.exe, PE32 8->19 dropped 47 Benign windows process drops PE files 8->47 49 JScript performs obfuscated calls to suspicious functions 8->49 51 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->51 12 V5vJGdWHFqIDFs1.exe 3 8->12         started        signatures6 process7 signatures8 53 Multi AV Scanner detection for dropped file 12->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->55 57 Injects a PE file into a foreign processes 12->57 15 V5vJGdWHFqIDFs1.exe 15 2 12->15         started        process9 dnsIp10 27 api4.ipify.org 173.231.16.77, 443, 49702 WEBNXUS United States 15->27 29 api.telegram.org 149.154.167.220, 443, 49703, 49704 TELEGRAMRU United Kingdom 15->29 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->31 33 Tries to steal Mail credentials (via file / registry access) 15->33 35 Tries to harvest and steal browser information (history, passwords, etc) 15->35 37 Installs a global keyboard hook 15->37 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507/
Threat name:
Script-JS.Downloader.Nemucod
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 07:51:59 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 23 (56.52%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7a7ckbde62cyiuadmmd2o3s4lkf3s7m7rjwfjlnd35fymo2m6udq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/231006-rmtywseg52/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f83e250464f6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

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 f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments