MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d13e4f45c26c3df8489825dc8b2ffa89ba85f9ea6bd13b76a8b4c8ff061d35ea. 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



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: d13e4f45c26c3df8489825dc8b2ffa89ba85f9ea6bd13b76a8b4c8ff061d35ea
SHA3-384 hash: cad676c6845301a6ab85d5c653a93b916af9c6ce120c04cb82997976ed437939fcda22286ce11c32d95b1d6d22f8655d
SHA1 hash: d2af53a2c8e4ba11b8ba9b19b16d1935001c6479
MD5 hash: ad4932cebb063cec58949209fc390972
humanhash: missouri-zebra-tennessee-violet
File name:July Invoice_PDF.js
Download: download sample
Signature Formbook
File size:68'291 bytes
First seen:2026-07-29 04:58:32 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:cvcPaFN6/E7arZAueq4v4eXHLTeZALKbrlOXG2aigKsXAGzmqecNBxAL8DbUYAav:LsUZwP4EL5Zy8wDxVB
TLSH T14163FC541986B044633767BFB22B98E5E776063B01A42C17B83C7854DFB2D09DEE0DBA
Magika javascript
Reporter threatcat_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 encrypted evasive evasive lolbin masquerade obfuscated obfuscated reconnaissance repaired
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Verdict:
Malicious
File Type:
js
First seen:
2026-07-29T01:16:00Z UTC
Last seen:
2026-07-31T01:34:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1949314 Sample: July Invoice_PDF.js Startdate: 29/07/2026 Architecture: WINDOWS Score: 100 42 www.030085435.xyz 2->42 44 malaysianpastrybakery.org 2->44 46 22 other IPs or domains 2->46 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 Multi AV Scanner detection for submitted file 2->66 70 10 other signatures 2->70 11 wscript.exe 21 2->11         started        signatures3 68 Performs DNS queries to domains with low reputation 42->68 process4 dnsIp5 54 malaysianpastrybakery.org 103.198.69.24, 443, 49768 MDRAS-AS-APMULTIDOMAINRESOURCESANDSERVICESMY Malaysia 11->54 40 C:\Temp\9FINNDQ2.ps1, ASCII 11->40 dropped 92 System process connects to network (likely due to code injection or exploit) 11->92 94 JScript performs obfuscated calls to suspicious functions 11->94 96 Wscript starts Powershell (via cmd or directly) 11->96 98 4 other signatures 11->98 16 powershell.exe 16 11->16         started        file6 signatures7 process8 signatures9 56 Writes to foreign memory regions 16->56 58 Sample uses process hollowing technique 16->58 60 Injects a PE file into a foreign processes 16->60 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 16->22         started        24 conhost.exe 16->24         started        26 30 other processes 16->26 process10 signatures11 72 Modifies the context of a thread in another process (thread injection) 19->72 74 Maps a DLL or memory area into another process 19->74 76 Queues an APC in another process (thread injection) 19->76 78 Found direct / indirect Syscall (likely to bypass EDR) 19->78 28 q0SyEV1XYD9oyP.exe 19->28 injected 80 Unusual module load detection (module proxying) 22->80 82 Switches to a custom stack to bypass stack traces 22->82 process12 signatures13 86 Binary is likely a compiled AutoIt script file 28->86 88 Maps a DLL or memory area into another process 28->88 90 Found direct / indirect Syscall (likely to bypass EDR) 28->90 31 sdiagnhost.exe 13 28->31         started        process14 signatures15 100 Tries to steal Mail credentials (via file / registry access) 31->100 102 Tries to harvest and steal browser information (history, passwords, etc) 31->102 104 Modifies the context of a thread in another process (thread injection) 31->104 106 3 other signatures 31->106 34 LZSxGvOt.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 48 030085435.xyz 199.188.200.114, 49770, 80 NAMECHEAP-NET-NamecheapIncUS United States 34->48 50 www.nnz.guru 193.218.39.60, 49811, 49812, 49813 YUHONETHK Hong Kong SAR China 34->50 52 11 other IPs or domains 34->52 84 Binary is likely a compiled AutoIt script file 34->84 signatures18
Gathering data
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2026-07-29 04:24:19 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Family: Formbook
Formbook payload
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string

File information


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

Malspam

Formbook

Java Script (JS) js d13e4f45c26c3df8489825dc8b2ffa89ba85f9ea6bd13b76a8b4c8ff061d35ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments