MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1
SHA3-384 hash: cd947403bbf836836c192c4928bc52776d2503bce077a44b044a10f47b65ead92998f2fb7092b9caea0965c08e1fe92d
SHA1 hash: 956b14b16c926a2c6317ea764b24eff2c90340c8
MD5 hash: 6df9bc4d21658a3633755988260473b5
humanhash: lamp-social-timing-four
File name:FedEx_invoice.pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:14'946'294 bytes
First seen:2026-06-15 19:43:32 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:qDaLPzBTEBvfMaek41iF0+1x9QkSWWPwBawudyc2O8BbbYlfHS9i0/VYn1/kgtL0:K
TLSH T18DE6CBB241536B2673711CDA4810D23DDE99D30BB5FBEF840EAB3A4749518E0E29EE4D
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika autohotkey
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Agent.EFE.29270.9412.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a305623a15110463ee61d70
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint masquerade powershell repaired
Link:
https://www.filescan.io/uploads/6a305623554e843ff86c5be4/reports/2175956d-fc52-4f06-93b5-60560332ad45/overview
Verdict:
Suspicious
Labled as:
JS/Agent.EFE
Link:
https://www.hybrid-analysis.com/sample/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1
Verdict:
Malicious
File Type:
js
First seen:
2026-06-15T14:56:00Z UTC
Last seen:
2026-06-16T12:58:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.Crypt.sb Trojan-Downloader.MSIL.Seraph.d Trojan-Downloader.MSIL.Agent.c PDM:Exploit.Win32.Generic Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1/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/1928323
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: Suspicious Process Parents
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
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
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1928323 Sample: FedEx_invoice.pdf.js Startdate: 15/06/2026 Architecture: WINDOWS Score: 100 46 www.deikos.xyz 2->46 48 www.wnmotorsh.com 2->48 50 7 other IPs or domains 2->50 70 Suricata IDS alerts for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 78 11 other signatures 2->78 12 wscript.exe 13 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 76 Performs DNS queries to domains with low reputation 46->76 process4 dnsIp5 90 Suspicious powershell command line found 12->90 92 Wscript starts Powershell (via cmd or directly) 12->92 94 Bypasses PowerShell execution policy 12->94 96 4 other signatures 12->96 18 powershell.exe 14 15 12->18         started        60 127.0.0.1 unknown unknown 15->60 signatures6 process7 dnsIp8 52 small-morning-8be0.fsocietyandtools.workers.dev 172.67.208.40, 443, 49694 CLOUDFLARENET-CloudflareIncUS Canada 18->52 80 Writes to foreign memory regions 18->80 82 Injects a PE file into a foreign processes 18->82 84 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 18->84 22 CasPol.exe 18->22         started        25 CasPol.exe 18->25         started        27 conhost.exe 18->27         started        29 CasPol.exe 18->29         started        signatures9 process10 signatures11 86 Maps a DLL or memory area into another process 22->86 31 uWE4B4mt.exe 22->31 injected 88 Unusual module load detection (module proxying) 25->88 process12 signatures13 98 Maps a DLL or memory area into another process 31->98 34 certutil.exe 13 31->34         started        process14 signatures15 62 Tries to steal Mail credentials (via file / registry access) 34->62 64 Tries to harvest and steal browser information (history, passwords, etc) 34->64 66 Modifies the context of a thread in another process (thread injection) 34->66 68 4 other signatures 34->68 37 8w3YMe5yJ0xcy.exe 34->37 injected 40 chrome.exe 34->40         started        42 firefox.exe 34->42         started        process16 dnsIp17 54 mostafa-alqursh.online 192.250.229.11, 49701, 49702, 49703 WHG-FRAGB Germany 37->54 56 www.deikos.xyz 203.161.58.88, 49708, 49710, 49712 NAMECHEAP-NET-NamecheapIncUS United States 37->56 58 4 other IPs or domains 37->58 44 WerFault.exe 4 40->44         started        process18
Score:
69%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1/
Verdict:
Malicious
Threat:
Trojan.MSIL.Crypt
Link:
https://tip.neiki.dev/file/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfjil34yrkhwvkvwec2yl3kxpl2xjjfc7dkh6ncxldi4ogvrb7yq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260615-yjehcsez8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/b95285ef988a8f6aaab620b585ed577af574a4a2f8d47f345758d1c71ab10ff1

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.

Comments