MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d78b652337862b1e2399b08eca09b5611fbc8f2eb0ea4e2afa5b3856c37c361. 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 17 File information Comments

SHA256 hash: 9d78b652337862b1e2399b08eca09b5611fbc8f2eb0ea4e2afa5b3856c37c361
SHA3-384 hash: 2f2ed709b5651b57614b8163aee7ef45d7361648cbc37c9092e2482eb8b7fcae8c012a87e450dd43056ba68ae57612e6
SHA1 hash: 4f4ff3a7cace42a55788c7cabc4a5c3ca0305832
MD5 hash: 1896f0e07368bcd6f3c16f2c38679991
humanhash: network-sixteen-kitten-sierra
File name:INV008973 TIMBER.001.js
Download: download sample
Signature Formbook
File size:5'243'662 bytes
First seen:2026-08-04 09:03:21 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:hkTWKMrIEGwKvdaEBmupvYBb9OEG3+Itgga5HCWGmGVZttoQ23fVefin/kV5wOu7:HT97doshkIS6
TLSH T10836A913A3E91218F6F71F1869BA10E58E7ABE526C39ED2C11A4014E49F2F41CD75BB3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika autohotkey
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
js
First seen:
2026-08-04T05:07:00Z UTC
Last seen:
2026-08-05T07:16:00Z UTC
Hits:
~10000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Found direct / indirect Syscall (likely to bypass EDR)
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)
Obfuscated command line found
Queues an APC in another process (thread injection)
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
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 starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1951811 Sample: INV008973 TIMBER.001.js Startdate: 04/08/2026 Architecture: WINDOWS Score: 100 34 www.xston.site 2->34 36 www.teamswanborn.nl 2->36 38 7 other IPs or domains 2->38 56 Suricata IDS alerts for network traffic 2->56 58 Antivirus detection for URL or domain 2->58 60 Yara detected FormBook 2->60 62 2 other signatures 2->62 11 wscript.exe 1 1 2->11         started        signatures3 process4 signatures5 76 Wscript starts Powershell (via cmd or directly) 11->76 78 Obfuscated command line found 11->78 80 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->80 82 2 other signatures 11->82 14 powershell.exe 14 15 11->14         started        process6 dnsIp7 46 hjha.ao 94.46.180.118, 443, 49758 ALMOUROLTECPT Portugal 14->46 84 Writes to foreign memory regions 14->84 86 Injects a PE file into a foreign processes 14->86 18 ilasm.exe 14->18         started        21 conhost.exe 14->21         started        signatures8 process9 signatures10 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Queues an APC in another process (thread injection) 18->52 54 2 other signatures 18->54 23 lTGrDc9Ru1NTe.exe 18->23 injected process11 signatures12 64 Maps a DLL or memory area into another process 23->64 66 Found direct / indirect Syscall (likely to bypass EDR) 23->66 26 winrs.exe 13 23->26         started        process13 signatures14 68 Tries to steal Mail credentials (via file / registry access) 26->68 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 72 Modifies the context of a thread in another process (thread injection) 26->72 74 3 other signatures 26->74 29 uW4XmGrITnDob.exe 26->29 injected 32 firefox.exe 26->32         started        process15 dnsIp16 40 www.lmarguerite.one 46.30.211.38, 49761, 49762, 49763 ONECOMDK Denmark 29->40 42 www.xston.site 104.207.65.180, 49778, 49779, 49780 NAMECHEAP-NET-NamecheapIncUS United States 29->42 44 4 other IPs or domains 29->44
Verdict:
inconclusive
YARA:
2 match(es)
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-04 09:36:24 UTC
File Type:
Text (Pascal)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Suspicious use of SetThreadContext
Badlisted process makes network request
Downloads MZ/PE file
Family: Formbook
Formbook payload
Process spawned unexpected child process
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:Borland
Author:malware-lu
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.

Comments