MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments
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SHA256 hash: b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd
SHA3-384 hash: 0b7107103aa1313d4ab6c52e57a006ba23d65f242a0133d0ccec729fd60802846d5e9066eab80aa07675fe114960cf7b
SHA1 hash: eabb66730d7430749cbf6e081efdd10b0997f679
MD5 hash: 29cb19323ee5ce380af5b5e3b78c7ef6
humanhash: single-green-stairway-ack
File name:SWIFT_11082026_#MT1038025849_pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:77'366 bytes
First seen:2026-08-11 08:59:01 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:fXbbADfjoAkANbllfDhw5ErdLPH12WwKcKaRuGnRcVeKZNr6mhdB4reOwfKUvUFX:zkQA3dCrx12NYR40JgE
TLSH T1D7733F485983B98493337F7FA22A9894F77A076700994D1B787CB490AFF1C09DEE18B5
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 downloader encrypted evasive evasive lolbin masquerade obfuscated obfuscated packed reconnaissance repaired
Link:
https://www.filescan.io/uploads/6a7ae4bcf9db45e14152ff35/reports/4c87a1ad-52ed-4f3f-ad5a-fdd48dc7d705/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd
Verdict:
Malicious
File Type:
js
First seen:
2026-08-11T05:37:00Z UTC
Last seen:
2026-08-12T07:11:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1955789
Signature
.NET source code contains potential unpacker
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
Queues an APC in another process (thread injection)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1955789 Sample: SWIFT_11082026_#MT103802584... Startdate: 11/08/2026 Architecture: WINDOWS Score: 100 41 y.clarity.ms 2->41 43 www500500.com 2->43 45 23 other IPs or domains 2->45 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 10 other signatures 2->65 11 wscript.exe 21 2->11         started        signatures3 process4 dnsIp5 53 217.60.241.35, 49711, 80 PFCLOUDPfcloudUGDE Netherlands 11->53 39 C:\Temp\YC5YTS34.ps1, ASCII 11->39 dropped 85 System process connects to network (likely due to code injection or exploit) 11->85 87 JScript performs obfuscated calls to suspicious functions 11->87 89 Wscript starts Powershell (via cmd or directly) 11->89 91 4 other signatures 11->91 16 powershell.exe 15 11->16         started        file6 signatures7 process8 signatures9 55 Writes to foreign memory regions 16->55 57 Injects a PE file into a foreign processes 16->57 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 16->22         started        24 conhost.exe 16->24         started        26 29 other processes 16->26 process10 signatures11 67 Modifies the context of a thread in another process (thread injection) 19->67 69 Maps a DLL or memory area into another process 19->69 71 Queues an APC in another process (thread injection) 19->71 73 Found direct / indirect Syscall (likely to bypass EDR) 19->73 28 aYCuIbfGmOgkz.exe 19->28 injected 75 Unusual module load detection (module proxying) 22->75 77 Switches to a custom stack to bypass stack traces 22->77 process12 signatures13 79 Binary is likely a compiled AutoIt script file 28->79 81 Maps a DLL or memory area into another process 28->81 83 Found direct / indirect Syscall (likely to bypass EDR) 28->83 31 xcopy.exe 13 28->31         started        process14 signatures15 93 Tries to steal Mail credentials (via file / registry access) 31->93 95 Tries to harvest and steal browser information (history, passwords, etc) 31->95 97 Modifies the context of a thread in another process (thread injection) 31->97 99 3 other signatures 31->99 34 KQxoCxAq.exe 31->34 injected 37 firefox.exe 31->37         started        process16 dnsIp17 47 www.qnch.com 177.3.34.126, 49718, 49719, 49720 VtalBR United States 34->47 49 www.casino88333a.buzz 188.137.239.135, 49734, 49735, 49736 PODAONLV Netherlands 34->49 51 10 other IPs or domains 34->51
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b46e4c8513419f18adc8fd669337cec229b0a6bafa73cf10c0a8a8eeec4936bd/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-08-11 09:06:40 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 36 (19.44%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrxezbitigprrloi7vtjgn6oyiu3bjv27jz46egavcuo53cjg26q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260811-kye6jsbl4v/
Behaviour
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
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:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
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)
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

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