MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 656194f219e95274e2a052d069b9f3863d1523ddc2ebe23c54df6a5de8149ba4. 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 File information Comments

SHA256 hash: 656194f219e95274e2a052d069b9f3863d1523ddc2ebe23c54df6a5de8149ba4
SHA3-384 hash: 44f02f4f85c44f45e10041cbbdc49e46d9cf01ec6d1f99af26676533e1402573d9ddd90c6ba46f6a61a288606919906d
SHA1 hash: 393e0a1fef5861c787d175cf80aa999caab8827f
MD5 hash: ea51dc6e6bc623d025122a3c320c524a
humanhash: purple-ink-carolina-magazine
File name:ea51dc6e6bc623d025122a3c320c524a.js
Download: download sample
Signature Formbook
File size:61'462 bytes
First seen:2026-03-18 09:48:36 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:TQl7iG+RFZP7wB6DMTcfoCTDV6Qxve+q0ilL9iONpCLKO:TQl7iG+RXTwB6DMYfbTDV6Gvej5Y4pCn
TLSH T1F8532ED7CA0588BBF5AA3F6CAC147BB63BC94C4545BC895995873C9F9EF86392324C00
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
cryxos dwnldr virus agent
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
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 starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1885548 Sample: AegD9mwDlK.js Startdate: 18/03/2026 Architecture: WINDOWS Score: 100 43 www.stck-gals.com 2->43 45 wintecs.store 2->45 47 16 other IPs or domains 2->47 69 Suricata IDS alerts for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 12 other signatures 2->75 12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 81 Suspicious powershell command line found 12->81 83 Wscript starts Powershell (via cmd or directly) 12->83 85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->85 87 2 other signatures 12->87 15 powershell.exe 14 17 12->15         started        process6 dnsIp7 53 wintecs.store 154.16.170.58, 443, 49688 TIER-NETUS South Africa 15->53 55 pastefy.app 104.21.49.12, 443, 49687 CLOUDFLARENETUS United States 15->55 57 Writes to foreign memory regions 15->57 59 Injects a PE file into a foreign processes 15->59 19 MSBuild.exe 15->19         started        22 MSBuild.exe 15->22         started        24 taskkill.exe 1 15->24         started        26 conhost.exe 15->26         started        signatures8 process9 signatures10 77 Maps a DLL or memory area into another process 19->77 28 GcbSYOTAI.exe 19->28 injected 79 Unusual module load detection (module proxying) 22->79 32 conhost.exe 24->32         started        process11 dnsIp12 49 www.stck-gals.com 172.67.169.153, 49696, 80 CLOUDFLARENETUS United States 28->49 51 secum-ajtok.hu 185.33.54.12, 80 SERVERGARDEN-ASServergardenKftHU Hungary 28->51 89 Maps a DLL or memory area into another process 28->89 34 auditpol.exe 13 28->34         started        signatures13 process14 signatures15 61 Tries to steal Mail credentials (via file / registry access) 34->61 63 Tries to harvest and steal browser information (history, passwords, etc) 34->63 65 Modifies the context of a thread in another process (thread injection) 34->65 67 3 other signatures 34->67 37 chrome.exe 34->37         started        39 firefox.exe 34->39         started        process16 process17 41 WerFault.exe 4 37->41         started       
Gathering data
Verdict:
Malicious
Threat:
Trojan-Downloader.PowerShell.NanoShield
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2026-03-16 02:40:39 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments