MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e
SHA3-384 hash: 20b658925e5007008f4f466746c80b0b4363dfb640f72a3aa42014800809ddc5f47812ea00c87cc1a339cc0d810b8732
SHA1 hash: fa98cf7a72a3e7c21dcacf3336c6b94e62bdf88e
MD5 hash: 58427f5ada9818bfe1c1af22eb230d9b
humanhash: bulldog-oxygen-comet-muppet
File name:Final_Payment_Confirmation.pdf.js
Download: download sample
Signature AgentTesla
Create hunting rule
File size:3'719 bytes
First seen:2025-10-16 07:24:13 UTC
Last seen:2025-10-16 07:42:58 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:yV63eLzr8mzZUnKMuwXj2TjmsnfkldBM2Hjqb:ygi37UnKMrKeYfkzFE
TLSH T1CF71938DB791B0411BAB65638C0E1596F926ECD0C44EC604F629F0E97E787B1C76B234
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js

Intelligence

File Origin
# of uploads :
5
# of downloads :
106
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f09daf04e22ce9acdab61f
Tags:
dropper spawn msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/68f09e1ecd7e15f338cad1dc/reports/3ddb7ea4-8f32-4cb1-b491-f6509a2ccb62/overview
Verdict:
Suspicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e
Verdict:
Malicious
File Type:
js
First seen:
2025-10-15T21:39:00Z UTC
Last seen:
2025-10-18T05:16:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e/results?tab=lookup
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1796334
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Joe Sandbox ML detected suspicious sample
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)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic JS Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796334 Sample: Final_Payment_Confirmation.pdf.js Startdate: 16/10/2025 Architecture: WINDOWS Score: 100 37 ftp.haliza.com.my 2->37 39 files.catbox.moe 2->39 41 2 other IPs or domains 2->41 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 14 other signatures 2->63 8 wscript.exe 2 19 2->8         started        13 sgxIb.exe 2 2->13         started        15 sgxIb.exe 1 2->15         started        signatures3 process4 dnsIp5 43 files.catbox.moe 108.181.20.35, 443, 49718 ASN852CA Canada 8->43 29 C:\Users\user\AppData\...\STEINNNNOS.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\Oz3T5rI.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\Temp\5EijnF.zip, Zip 8->33 dropped 65 System process connects to network (likely due to code injection or exploit) 8->65 67 Benign windows process drops PE files 8->67 69 JScript performs obfuscated calls to suspicious functions 8->69 71 2 other signatures 8->71 17 Oz3T5rI.exe 3 8->17         started        20 conhost.exe 13->20         started        22 conhost.exe 15->22         started        file6 signatures7 process8 signatures9 49 Antivirus detection for dropped file 17->49 51 Multi AV Scanner detection for dropped file 17->51 53 Writes to foreign memory regions 17->53 55 2 other signatures 17->55 24 RegAsm.exe 16 4 17->24         started        process10 dnsIp11 45 ftp.haliza.com.my 110.4.45.197, 21, 49724, 49725 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 24->45 47 api.ipify.org 104.26.12.205, 443, 49723 CLOUDFLARENETUS United States 24->47 35 C:\Users\user\AppData\Roaming\...\sgxIb.exe, PE32 24->35 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->73 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->75 77 Tries to steal Mail credentials (via file / registry access) 24->77 79 4 other signatures 24->79 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e/
Threat name:
Script-JS.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-10-16 01:17:54 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x645rfzlotl5ux7sogd2t6xnj5x342udkij6xoj45k6blweo6jha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
error
AgentTesla
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/251016-h9eytaax7h/
Behaviour
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfb9d8972b74/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AlphaCrypt
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

AgentTesla

zip 0142ada95a3fd96910335b987cbbafc13795f42cd4f3bade1035e6543b3cdc3f

AgentTesla

Java Script (JS) js bfb9d8972b74d7da5ff27187a9faed4f6fbe6a835213ebb93ceabc15d88ef24e

(this sample)

  
Dropped by
SHA256 0142ada95a3fd96910335b987cbbafc13795f42cd4f3bade1035e6543b3cdc3f
  
Dropped by
MD5 817494bfa78818701c432c3464532bc1

Comments