MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172d478c04c29843e4f5372957380e4d1ff043bbc4e0058c885fd8ea5b45466f. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: 172d478c04c29843e4f5372957380e4d1ff043bbc4e0058c885fd8ea5b45466f
SHA3-384 hash: 7b355f6e2df35d25608e910764c24663c99609a47e0285eeb5b892eac4a07228a4395d07f89f8461d4964df0833b5bb2
SHA1 hash: 86963b19e41d559ed7d518a76b1b1984418095b8
MD5 hash: 3209120e817db75bcc37310061119043
humanhash: vermont-cat-robert-spring
File name:Technical Parameter.js
Download: download sample
Signature Formbook
File size:3'939'359 bytes
First seen:2026-03-10 07:47:24 UTC
Last seen:2026-03-10 07:48:35 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:JFhpnqjD1Sne7dg8Bj25DCRsB5lElpevYb35DDgpQvm1V9Cpm19Q0X2tQKTWcAB4:JY1coHBsS5TWrBvzY1coHBsS5TWrBvS
TLSH T18606AD09DED14E72CEC3490BA4FE429B51C1E28FC06679B6CB527E8AA6DF540137B0D9
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
autorun rapid
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated repaired
Verdict:
Malicious
File Type:
js
Detections:
Backdoor.Win32.Androm.sb PDM:Trojan.Win32.Generic Trojan-Dropper.Win32.Injector.sb Trojan-Downloader.JS.SLoad.sb Trojan-Downloader.JS.Cryptoload.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.Win32.InjectorNetT.s Trojan.PowerShell.Cobalt.sb Trojan-Spy.Win32.Noon.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates autostart registry keys with suspicious values (likely registry only malware)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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: New RUN Key Pointing to Suspicious Folder
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows shortcut file (LNK) contains suspicious command line arguments
Writes to foreign memory regions
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: 1881043 Sample: Technical Parameter.js Startdate: 10/03/2026 Architecture: WINDOWS Score: 100 64 www.vvpvxk5622.top 2->64 66 www.trabzonlojistik.online 2->66 68 22 other IPs or domains 2->68 78 Antivirus detection for URL or domain 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 Yara detected FormBook 2->82 84 8 other signatures 2->84 11 wscript.exe 2 4 2->11         started        15 powershell.exe 2->15         started        17 powershell.exe 19 2->17         started        19 powershell.exe 17 2->19         started        signatures3 process4 file5 62 C:\Temp\ps_7gS5A6LlRLqM_1773129931388.ps1, ASCII 11->62 dropped 104 Suspicious powershell command line found 11->104 106 Wscript starts Powershell (via cmd or directly) 11->106 108 Creates autostart registry keys with suspicious values (likely registry only malware) 11->108 114 3 other signatures 11->114 21 powershell.exe 16 11->21         started        110 Writes to foreign memory regions 15->110 112 Injects a PE file into a foreign processes 15->112 24 conhost.exe 15->24         started        26 aspnet_compiler.exe 15->26         started        28 aspnet_compiler.exe 15->28         started        36 8 other processes 15->36 30 conhost.exe 17->30         started        32 aspnet_compiler.exe 17->32         started        38 7 other processes 17->38 34 conhost.exe 1 19->34         started        signatures6 process7 signatures8 94 Writes to foreign memory regions 21->94 96 Found suspicious powershell code related to unpacking or dynamic code loading 21->96 98 Injects a PE file into a foreign processes 21->98 40 aspnet_compiler.exe 21->40         started        43 aspnet_compiler.exe 21->43         started        45 conhost.exe 21->45         started        47 10 other processes 21->47 process9 signatures10 100 Maps a DLL or memory area into another process 40->100 49 St3ZxDTggku.exe 40->49 injected 102 Unusual module load detection (module proxying) 43->102 process11 signatures12 76 Maps a DLL or memory area into another process 49->76 52 wscript.exe 13 49->52         started        process13 signatures14 86 Tries to steal Mail credentials (via file / registry access) 52->86 88 Tries to harvest and steal browser information (history, passwords, etc) 52->88 90 Modifies the context of a thread in another process (thread injection) 52->90 92 4 other signatures 52->92 55 JOj8fdI9uq.exe 52->55 injected 58 chrome.exe 52->58         started        60 firefox.exe 52->60         started        process15 dnsIp16 70 an05-prod-v.cdn-ng.net 103.42.147.149, 49764, 49765, 49766 WSN-TW-NET-ASWorldstarNetworkTW Taiwan; Republic of China (ROC) 55->70 72 rnbfxqye.n.ttge.ru 103.69.128.172, 49777, 49778, 49779 TANGINTERNET-AS-APTANGINTERNETLIMITEDHK Hong Kong 55->72 74 14 other IPs or domains 55->74
Gathering data
Threat name:
Script-JS.Trojan.Acsogenixx
Status:
Malicious
First seen:
2026-03-10 07:48:28 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
fantomcrypt
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
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:Base64_Encoded_Powershell_Directives
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:telebot_framework
Author:vietdx.mb
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.

Malspam

Formbook

Java Script (JS) js 172d478c04c29843e4f5372957380e4d1ff043bbc4e0058c885fd8ea5b45466f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments