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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4f8fff59684e4de3a63cd300d08fc4b248e81fd8277a2aa9ee06bccba50d95. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: bf4f8fff59684e4de3a63cd300d08fc4b248e81fd8277a2aa9ee06bccba50d95
SHA3-384 hash: 2f2fa3e2646ab23ae64f7b9185e49100e3404d05c31edcfbba441e6ef98316d4d285a99a89c13953543f6691689137c5
SHA1 hash: 346918667750fc015a8e32aab15e2fedccad60ed
MD5 hash: 6e90b47e26cd415e92f6055621b77812
humanhash: potato-delaware-ohio-asparagus
File name:MY Grace Quotation 2026 Items Revised.js
Download: download sample
Signature Formbook
File size:3'332 bytes
First seen:2026-10-21 15:58:35 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 48:0GaqiM1F8IVHXdeM//SXJWAA1GGeps7bA9T6KU:b1V1F8IV3d7/CYTlwsPALU
TLSH T171618B8CAC82F0685273F33DD79B9009FB666563450991107CDCA2906FB142886EDFFD
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
168
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Gathering data
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Verdict:
Malicious
File Type:
js
First seen:
2026-10-21T11:40:00Z UTC
Last seen:
2026-10-23T08:49:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
JScript performs obfuscated calls to suspicious functions
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: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1990190 Sample: MY Grace Quotation 2026 Ite... Startdate: 21/10/2026 Architecture: WINDOWS Score: 100 38 www.roamago.com 2->38 40 www.mimao.net 2->40 42 17 other IPs or domains 2->42 64 Suricata IDS alerts for network traffic 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected Generic JS Downloader 2->68 70 7 other signatures 2->70 9 wscript.exe 21 2->9         started        14 pXYYYf9fSG.exe 2->14 injected 16 4iVdevD0GSWi.exe 2->16 injected signatures3 process4 dnsIp5 44 tattooedcity.com 172.67.157.56, 443, 49737 CLOUDFLARENET-CloudflareIncUS Canada 9->44 36 C:\Temp\HEJIHAVV.ps1, ASCII 9->36 dropped 80 System process connects to network (likely due to code injection or exploit) 9->80 82 JScript performs obfuscated calls to suspicious functions 9->82 84 Wscript starts Powershell (via cmd or directly) 9->84 90 4 other signatures 9->90 18 powershell.exe 16 9->18         started        86 Maps a DLL or memory area into another process 14->86 88 Found direct / indirect Syscall (likely to bypass EDR) 14->88 21 PATHPING.EXE 13 14->21         started        46 www.fanjunm.com 104.207.65.180, 49763, 49764, 49765 NAMECHEAP-NET-NamecheapIncUS United States 16->46 48 www.aehepvd.ch 185.125.27.19, 49767, 49768, 49769 INFOMANIAK-ASCH Switzerland 16->48 50 10 other IPs or domains 16->50 file6 signatures7 process8 signatures9 52 Writes to foreign memory regions 18->52 54 Injects a PE file into a foreign processes 18->54 23 aspnet_compiler.exe 18->23         started        26 MpCmdRun.exe 1 18->26         started        28 conhost.exe 18->28         started        32 30 other processes 18->32 56 Tries to steal Mail credentials (via file / registry access) 21->56 58 Tries to harvest and steal browser information (history, passwords, etc) 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 3 other signatures 21->62 30 firefox.exe 21->30         started        process10 signatures11 72 Modifies the context of a thread in another process (thread injection) 23->72 74 Maps a DLL or memory area into another process 23->74 76 Queues an APC in another process (thread injection) 23->76 78 3 other signatures 23->78 34 conhost.exe 26->34         started        process12
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
PowerShell
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-10-21 15:59:30 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
Checks computer location settings
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:SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script
Author:Marjoriefort
Description:Detects Unknown (script_js, etat script)

File information


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

Comments