MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 851de006597d4b844f9f8ee65b3a474fd3d75cb36d5daa4dd23c6cd061cd06fd. 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

SHA256 hash: 851de006597d4b844f9f8ee65b3a474fd3d75cb36d5daa4dd23c6cd061cd06fd
SHA3-384 hash: 225d3f5d147b869cf13bebd8d54c79e90c509ab5c65a217a401b0fc7f5308f7aea21034f302a00b9f63f2c4c2bff4bc9
SHA1 hash: bde33f81a3085c919aadbe68fc9bfdfdca519e8b
MD5 hash: 0160a97442dfbb17812600ee4563f768
humanhash: muppet-speaker-eighteen-angel
File name:DOC-20240428-WA000026_pdf.js
Download: download sample
Signature Formbook
File size:600'312 bytes
First seen:2026-08-27 14:16:46 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:fdh4xcjk7K7+vwFVqBv4pflGW/ugKAox0tmr35iotNO3ZtIEATU9z:z4X7XvHkCKox757QZtIEATU9z
TLSH T1E9D4222167FE5118F2F3AF54AEF825A58D7EBEA26E3AD45C1150024E0972E80DDB0737
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 conhost conhost.exe crypto dropper evasive explorer lolbin masquerade obfuscated persistence powershell repaired wscript
Verdict:
Malicious
File Type:
js
First seen:
2026-08-27T09:05:00Z UTC
Last seen:
2026-08-28T13:07:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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 evasive JS / VBS script found (domain check)
Queues an APC in another process (thread injection)
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Encoded And Obfuscated Reflection Assembly Load Function Call
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964826 Sample: DOC-20240428-WA000026_pdf.js Startdate: 27/08/2026 Architecture: WINDOWS Score: 100 62 www.qkonut.xyz 2->62 64 www.deikos.xyz 2->64 66 9 other IPs or domains 2->66 86 Suricata IDS alerts for network traffic 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus detection for URL or domain 2->90 94 13 other signatures 2->94 12 wscript.exe 1 7 2->12         started        16 wscript.exe 4 2->16         started        18 svchost.exe 1 1 2->18         started        signatures3 92 Performs DNS queries to domains with low reputation 64->92 process4 dnsIp5 52 C:\Users\user\AppData\Local\...\jdkmtbn6vsdb, ASCII 12->52 dropped 54 C:\Users\user\AppData\Local\...\jdkmtbn6vsda, ASCII 12->54 dropped 56 C:\Users\user\AppData\...\PhotoStudio.js, Unicode 12->56 dropped 116 JScript performs obfuscated calls to suspicious functions 12->116 118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->118 120 Suspicious execution chain found 12->120 122 Potential evasive JS / VBS script found (domain check) 12->122 21 conhost.exe 12->21         started        58 C:\Users\user\AppData\Local\...\1xiamtbn6xmxb, ASCII 16->58 dropped 60 C:\Users\user\AppData\Local\...\1xiamtbn6xmxa, ASCII 16->60 dropped 124 WScript reads language and country specific registry keys (likely country aware script) 16->124 24 conhost.exe 16->24         started        68 127.0.0.1 unknown unknown 18->68 file6 signatures7 process8 signatures9 96 Suspicious powershell command line found 21->96 98 Encrypted powershell cmdline option found 21->98 26 powershell.exe 14 15 21->26         started        30 powershell.exe 24->30         started        process10 dnsIp11 70 safeifm.com 111.118.212.120, 443, 49703, 49704 PUBLIC-DOMAIN-REGISTRY-PDRUS India 26->70 112 Writes to foreign memory regions 26->112 114 Injects a PE file into a foreign processes 26->114 32 svchost.exe 26->32         started        35 svchost.exe 30->35         started        signatures12 process13 signatures14 78 Modifies the context of a thread in another process (thread injection) 32->78 80 Maps a DLL or memory area into another process 32->80 82 Queues an APC in another process (thread injection) 32->82 84 2 other signatures 32->84 37 SbytxmM59.exe 32->37 injected 40 uqiVNrPdoPL.exe 35->40 injected process15 signatures16 100 Maps a DLL or memory area into another process 37->100 102 Found direct / indirect Syscall (likely to bypass EDR) 37->102 42 label.exe 13 37->42         started        45 label.exe 40->45         started        process17 signatures18 104 Tries to steal Mail credentials (via file / registry access) 42->104 106 Tries to harvest and steal browser information (history, passwords, etc) 42->106 108 Modifies the context of a thread in another process (thread injection) 42->108 110 3 other signatures 42->110 47 M3AMuAgp.exe 42->47 injected 50 firefox.exe 42->50         started        process19 dnsIp20 72 www.zzwksw.com 154.206.147.219, 49725, 49726, 49727 OWGELS-AS-APOWGELSINTERNATIONALCOLIMITEDHK Hong Kong SAR China 47->72 74 www.deikos.xyz 203.161.58.88, 49716, 49717, 49718 NAMECHEAP-NET-NamecheapIncUS United States 47->74 76 4 other IPs or domains 47->76
Verdict:
inconclusive
YARA:
2 match(es)
Threat name:
Script.Trojan.Multiverze
Status:
Malicious
First seen:
2026-08-27 12:00:38 UTC
File Type:
Text
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
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: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