MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 14eb16ef6158930afe9b9ec55c0dffce97aacb340843525af4ff9e96fbeee6a3. 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 3 File information Comments

SHA256 hash: 14eb16ef6158930afe9b9ec55c0dffce97aacb340843525af4ff9e96fbeee6a3
SHA3-384 hash: 6a1c484f8add4b5b9485a22a5a34d9e2f582a0f8cf4eca66668979b815d4146b422ab171382c92d6c55d3cbb474a8054
SHA1 hash: b38b663a2d5d414e4ac0c4a4a145c357c5dd6ba7
MD5 hash: c219f920f03f99eb0586ba9cd195ea9d
humanhash: oranges-hot-maine-georgia
File name:Bank of Taiwan Login Confirmation.pdf.js
Download: download sample
Signature Formbook
File size:238'315 bytes
First seen:2026-07-16 06:59:40 UTC
Last seen:2026-07-16 08:05:20 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:NWVIZ0ysu4DePycYCD+px41zOz01Z3q81KVys8qvK4Qn:MyOyBycx+Izy01Z3q8YOEK5
TLSH T1DB345C20DD20067A0F475B9EFCA50AA1CABDC609862750F5F6DE070D60069ECE7BE67D
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
2
# of downloads :
132
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
91.7%
Tags:
malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint masquerade repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-07-16T01:07:00Z UTC
Last seen:
2026-07-18T04:24:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects code into the Windows Explorer (explorer.exe)
JavaScript file contains Antivirus product strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
Obfuscated command line found
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Sigma detected: WScript or CScript Dropper
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 reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943361 Sample: Bank of Taiwan Login Confir... Startdate: 16/07/2026 Architecture: WINDOWS Score: 100 50 www.nuvo77.work 2->50 52 www.dicolldata.com 2->52 54 4 other IPs or domains 2->54 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected FormBook 2->74 76 10 other signatures 2->76 10 powershell.exe 17 2->10         started        13 wscript.exe 1 2 2->13         started        16 explorer.exe 4 7 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 96 Writes to foreign memory regions 10->96 98 Found suspicious powershell code related to unpacking or dynamic code loading 10->98 100 Switches to a custom stack to bypass stack traces 10->100 20 wab.exe 6 10->20         started        23 conhost.exe 10->23         started        25 wab.exe 10->25         started        48 C:\Users\user\AppData\Local\Veter, ASCII 13->48 dropped 102 JScript performs obfuscated calls to suspicious functions 13->102 104 Injects code into the Windows Explorer (explorer.exe) 13->104 106 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->106 108 WScript reads language and country specific registry keys (likely country aware script) 13->108 27 explorer.exe 13->27         started        110 Obfuscated command line found 16->110 29 powershell.exe 16 16->29         started        signatures6 process7 dnsIp8 78 Modifies the context of a thread in another process (thread injection) 20->78 80 Maps a DLL or memory area into another process 20->80 82 Queues an APC in another process (thread injection) 20->82 32 H4gt2oomVB8SR4.exe 20->32 injected 35 wab.exe 20->35         started        84 Obfuscated command line found 27->84 60 drive.google.com 142.251.111.100, 443, 49715, 49718 GOOGLE-GoogleLLCUS United States 29->60 62 drive.usercontent.google.com 142.251.179.132, 443, 49716, 49719 GOOGLE-GoogleLLCUS United States 29->62 86 Found suspicious powershell code related to unpacking or dynamic code loading 29->86 37 conhost.exe 29->37         started        signatures9 process10 signatures11 64 Binary is likely a compiled AutoIt script file 32->64 66 Maps a DLL or memory area into another process 32->66 68 Found direct / indirect Syscall (likely to bypass EDR) 32->68 39 regini.exe 1 13 32->39         started        process12 signatures13 88 Tries to steal Mail credentials (via file / registry access) 39->88 90 Tries to harvest and steal browser information (history, passwords, etc) 39->90 92 Modifies the context of a thread in another process (thread injection) 39->92 94 3 other signatures 39->94 42 rpJ4CDBra0.exe 39->42 injected 46 firefox.exe 39->46         started        process14 dnsIp15 56 dicolldata.com 213.155.0.230, 49721, 49722, 49723 GD-EMEA-DC-LD5GB United Kingdom 42->56 58 nuvo77.work 118.139.162.144, 49720, 80 AS-26496-GO-DADDY-COM-LLC-GoDaddycomLLCUS Singapore 42->58 112 Binary is likely a compiled AutoIt script file 42->112 signatures16
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-JS.Trojan.GuLoader
Status:
Malicious
First seen:
2026-07-16 07:11:13 UTC
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution spyware
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Drops desktop.ini file(s)
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:Cerberus
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus
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:telebot_framework
Author:vietdx.mb

File information


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

Comments