MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4030f06fa3ea85a34443c760019f9b7b447794c6048457eb41aba18069575ff. 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: 10


Intelligence 10 IOCs YARA 17 File information Comments

SHA256 hash: b4030f06fa3ea85a34443c760019f9b7b447794c6048457eb41aba18069575ff
SHA3-384 hash: eaab3176cc679c11b8c131a55499d679d50da9466e937a8b0017f0c0bafd3502cf4cc5e5a8574ae61ba74c228b4a7863
SHA1 hash: 38ae4408f6865f3d7b0be854d82d4ced4c99db24
MD5 hash: 22f28dfdd662924ff39de0dcbc04a518
humanhash: mexico-july-stream-beryllium
File name:06.08.2026 Fiyat Taleb 600508 - 10107161.js
Download: download sample
Signature Formbook
File size:98'758 bytes
First seen:2026-08-06 14:32:36 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:JF6K/2oLcKcUyFj7eVbsZJQsmdEPY7vXMSO9:JUKcUKUEPS/M9
TLSH T1EAA31F0499827480633A6B7FB22AD8E5F3760B6B01805917B87C7880DFF6D09DDE5DB9
Magika javascript
Reporter abuse_ch
Tags:FormBook geo js TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
aspnet_compiler base64 encrypted evasive evasive lolbin obfuscated obfuscated opendir packed reconnaissance repaired
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Verdict:
Malicious
File Type:
js
First seen:
2026-08-06T08:57:00Z UTC
Last seen:
2026-08-07T12:58:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary is likely a compiled AutoIt script file
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
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
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
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 Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1953423 Sample: 06.08.2026 Fiyat Taleb 6005... Startdate: 06/08/2026 Architecture: WINDOWS Score: 100 42 www.tomat-ik.ru 2->42 44 www.tirangagamesplay.net 2->44 46 15 other IPs or domains 2->46 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 9 other signatures 2->66 11 wscript.exe 21 2->11         started        signatures3 process4 dnsIp5 54 178.16.53.176, 49764, 80 OMEGATECH-ASSC Netherlands 11->54 40 C:\Temp\HEYBFQOC.ps1, ASCII 11->40 dropped 88 System process connects to network (likely due to code injection or exploit) 11->88 90 JScript performs obfuscated calls to suspicious functions 11->90 92 Wscript starts Powershell (via cmd or directly) 11->92 94 4 other signatures 11->94 16 powershell.exe 16 11->16         started        file6 signatures7 process8 signatures9 56 Writes to foreign memory regions 16->56 58 Injects a PE file into a foreign processes 16->58 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 16->22         started        24 conhost.exe 16->24         started        26 31 other processes 16->26 process10 signatures11 68 Modifies the context of a thread in another process (thread injection) 19->68 70 Maps a DLL or memory area into another process 19->70 72 Queues an APC in another process (thread injection) 19->72 74 Found direct / indirect Syscall (likely to bypass EDR) 19->74 28 AUFmoPOPfEBX5d.exe 19->28 injected 76 Unusual module load detection (module proxying) 22->76 78 Switches to a custom stack to bypass stack traces 22->78 process12 signatures13 82 Binary is likely a compiled AutoIt script file 28->82 84 Maps a DLL or memory area into another process 28->84 86 Found direct / indirect Syscall (likely to bypass EDR) 28->86 31 TCPSVCS.EXE 13 28->31         started        process14 signatures15 96 Tries to steal Mail credentials (via file / registry access) 31->96 98 Tries to harvest and steal browser information (history, passwords, etc) 31->98 100 Modifies the context of a thread in another process (thread injection) 31->100 102 3 other signatures 31->102 34 DLhV4OQn.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 48 shieldtechghana.com 104.238.222.48, 49769, 49770, 49771 RELIABLESITE-ReliableSiteNetLLCUS United States 34->48 50 72.251.11.125, 49781, 49782, 49783 OVHFR Canada 34->50 52 10 other IPs or domains 34->52 80 Binary is likely a compiled AutoIt script file 34->80 signatures18
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-06 14:34:37 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection 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
outlook_office_path
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
Accesses Microsoft Outlook profiles
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:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
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