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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73. 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: 11


Intelligence 11 IOCs YARA 17 File information Comments
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SHA256 hash: 67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73
SHA3-384 hash: f909066b7512257ec582de62536bdfd787005584db051e40605ad33942220f0769588725a73a7f8ac2788711a52788a8
SHA1 hash: 7e83016a1d9a6635b8c72838ff7229d4e2721bb8
MD5 hash: 04244d75fa0f959bbb9c94b51adc3251
humanhash: texas-montana-quebec-eleven
File name:Documents.JS
Download: download sample
Signature Formbook
Create hunting rule
File size:3'463'332 bytes
First seen:2026-10-01 14:47:43 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:RA90wM+XkpC5LEmqd595MLs5eQ32T+KM/xLCmRotT7VYQ1DD1UawPedcnvlXI:Rskc5LhqX95MLKe02gJLJmT72vawPPC
TLSH T1AAF56F7D1744A032B769676DC2B9A92086CA304374C5DB3D31EEF214375CA1BB35BAE2
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper evasive obfuscated obfuscated packed repaired
Link:
https://www.filescan.io/uploads/6abe72bf5e306c669d4d30f5/reports/7ce14243-62dc-4d16-8328-8c5eee7bd09f/overview
Verdict:
Malicious
Labled as:
JS/TrojanDropper.ModiLoader
Link:
https://www.hybrid-analysis.com/sample/67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73
Verdict:
Malicious
File Type:
js
First seen:
2026-09-30T18:05:00Z UTC
Last seen:
2026-10-03T11:31:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1980697
Signature
Antivirus detection for URL or domain
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)
JavaScript source code contains functionality to generate code involving a shell, file or stream
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: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1980697 Sample: Documents.JS.js Startdate: 01/10/2026 Architecture: WINDOWS Score: 100 69 www.753552.cc 2->69 71 k02501.brwwww.com 2->71 73 15 other IPs or domains 2->73 91 Suricata IDS alerts for network traffic 2->91 93 Antivirus detection for URL or domain 2->93 95 Multi AV Scanner detection for submitted file 2->95 97 8 other signatures 2->97 10 wscript.exe 1 4 2->10         started        14 foCIVjFevxAQi.exe 2->14 injected 16 cmd.exe 1 4 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 67 C:\Users\user\Documents\OLYWYWEBHMGAKVPW, ASCII 10->67 dropped 115 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->115 117 WScript reads language and country specific registry keys (likely country aware script) 10->117 21 WPVKAGMHBEWYWYLO.exe 3 10->21         started        119 Maps a DLL or memory area into another process 14->119 121 Found direct / indirect Syscall (likely to bypass EDR) 14->121 25 fixmapi.exe 13 14->25         started        27 cmd.exe 1 16->27         started        29 conhost.exe 16->29         started        75 k02501.brwwww.com 144.48.127.147, 49744, 49745, 49746 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong SAR China 18->75 77 www.753552.cc 172.67.215.182, 49748, 49749, 80 CLOUDFLARENET-CloudflareIncUS Canada 18->77 79 natroredirect.natrocdn.com 85.159.66.93, 49743, 80 CIZGITR Turkey 18->79 31 fixmapi.exe 18->31         started        file6 signatures7 process8 file9 65 C:\Users\user\...\OLYWYWEBHMGAKVPW.url, MS 21->65 dropped 99 Found API chain indicative of debugger detection 21->99 101 Modifies the context of a thread in another process (thread injection) 21->101 103 Maps a DLL or memory area into another process 21->103 111 3 other signatures 21->111 33 cmd.exe 1 21->33         started        36 cmd.exe 1 21->36         started        38 cmd.exe 1 21->38         started        40 conhost.exe 21->40         started        105 Tries to steal Mail credentials (via file / registry access) 25->105 107 Tries to harvest and steal browser information (history, passwords, etc) 25->107 109 Unusual module load detection (module proxying) 25->109 42 firefox.exe 25->42         started        44 WPVKAGMHBEWYWYLO.exe 1 27->44         started        46 conhost.exe 27->46         started        signatures10 process11 signatures12 81 Uses schtasks.exe or at.exe to add and modify task schedules 33->81 83 Uses whoami command line tool to query computer and username 33->83 48 whoami.exe 1 33->48         started        50 schtasks.exe 1 36->50         started        52 schtasks.exe 1 38->52         started        85 Modifies the context of a thread in another process (thread injection) 44->85 87 Maps a DLL or memory area into another process 44->87 89 Found direct / indirect Syscall (likely to bypass EDR) 44->89 54 cmd.exe 1 44->54         started        57 cmd.exe 1 44->57         started        59 conhost.exe 44->59         started        process13 signatures14 113 Uses whoami command line tool to query computer and username 54->113 61 whoami.exe 1 54->61         started        63 schtasks.exe 1 57->63         started        process15
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73/
Threat name:
Win32.Downloader.ModiLdr
Create hunting rule
Status:
Malicious
First seen:
2026-10-01 12:59:11 UTC
File Type:
Binary
AV detection:
12 of 38 (31.58%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m7oupd4mnhpzkca2mi6ujevlui7n7mlpehiw6fmzvolt2niz7jzq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/c89eccc7-9469-49c2-8827-61bc328a5fed
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook defense_evasion discovery execution persistence privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/261001-r6kvbsss9m/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Family: Formbook
Formbook payload
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67dd478f8c69/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/67dd478f8c69df95081a623d4492aba23edfb16f21d16f1599ab973d3519fa73

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Create hunting rule
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
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