MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc2c735f3db0ec47df461f832b275fc18f058562cf336670eaff5292a759526f. 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 16 File information Comments

SHA256 hash: bc2c735f3db0ec47df461f832b275fc18f058562cf336670eaff5292a759526f
SHA3-384 hash: 55ce9b1193e0738f2af236cdfad147ed742566c806554ec7aa030d466ad7db2c0f1c4e1af1bf6d445f8cbdacfe577c9c
SHA1 hash: 953799ecb31a56621c0cd62c7e1012307f1846f6
MD5 hash: 05b2dd8caabb14615616ee53c2516a14
humanhash: nevada-nebraska-may-black
File name:MODELO 303.js
Download: download sample
Signature Formbook
File size:40'220 bytes
First seen:2026-04-17 13:59:52 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:pfJw6sTNYhWccjpoSiH+rFR3J67WeCZXqV14gItfdQUQFL6UM+SsSQiUcEo:Lpqudip4H+hR3J67C0V1+tfajU+SsSGg
TLSH T1E90375CC3EDBF499821639E31E76D443F5AE4E8071188334FE89A09EBC64715D57AA38
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
shell spawn hype
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted evasive obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-04-17T05:28:00Z UTC
Last seen:
2026-04-19T00:41:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Generic Trojan.JS.SAgent.sb Trojan-Downloader.JS.SLoad.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
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
Potential obfuscated javascript found
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
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: 1900147 Sample: MODELO 303.js Startdate: 17/04/2026 Architecture: WINDOWS Score: 100 47 www.789700300.xyz 2->47 49 www.56781575.xyz 2->49 51 31 other IPs or domains 2->51 75 Suricata IDS alerts for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 83 11 other signatures 2->83 11 wscript.exe 16 2->11         started        16 svchost.exe 1 1 2->16         started        signatures3 81 Performs DNS queries to domains with low reputation 49->81 process4 dnsIp5 59 vame.be 160.153.133.172, 49698, 80 GODADDY-AMSDE United States 11->59 43 C:\Users\user\AppData\Local\...\update[1].ps1, ASCII 11->43 dropped 45 C:\Temp\I00PY0A0.ps1, ASCII 11->45 dropped 89 System process connects to network (likely due to code injection or exploit) 11->89 91 JScript performs obfuscated calls to suspicious functions 11->91 93 Wscript starts Powershell (via cmd or directly) 11->93 95 4 other signatures 11->95 18 powershell.exe 16 11->18         started        61 127.0.0.1 unknown unknown 16->61 file6 signatures7 process8 signatures9 71 Writes to foreign memory regions 18->71 73 Injects a PE file into a foreign processes 18->73 21 aspnet_compiler.exe 18->21         started        24 aspnet_compiler.exe 18->24         started        26 conhost.exe 18->26         started        28 24 other processes 18->28 process10 signatures11 85 Maps a DLL or memory area into another process 21->85 30 nLyz82bBxD.exe 21->30 injected 87 Unusual module load detection (module proxying) 24->87 process12 signatures13 97 Maps a DLL or memory area into another process 30->97 33 SecEdit.exe 13 30->33         started        process14 signatures15 63 Tries to steal Mail credentials (via file / registry access) 33->63 65 Tries to harvest and steal browser information (history, passwords, etc) 33->65 67 Modifies the context of a thread in another process (thread injection) 33->67 69 4 other signatures 33->69 36 FWuYAPA6.exe 33->36 injected 39 firefox.exe 33->39         started        41 chrome.exe 33->41         started        process16 dnsIp17 53 www.qris113link.com 203.161.46.28, 49709, 49710, 49711 VNPT-AS-VNVNPTCorpVN Malaysia 36->53 55 nohna.info 15.197.225.128, 49808, 80 TANDEMUS United States 36->55 57 20 other IPs or domains 36->57
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-04-17 12:56:59 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 38 (21.05%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware 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
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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:TH_Win_ETW_Bypass_2025_CYFARE
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.

Comments