MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f915f4793f8f9c2ab396236064f242ad228010d70fa21aea0eda5c623f10d7f. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 7f915f4793f8f9c2ab396236064f242ad228010d70fa21aea0eda5c623f10d7f
SHA3-384 hash: af6c32522dbdf66fc10c443c5b392acd8cf06a56345d4b99bbbc72861d1683267dd8d2cae9348cef250da0241d1db284
SHA1 hash: 87bbe575957e4a91fd34848e450bcd727d196379
MD5 hash: 1c40ef7daba51d96c05b10516e500801
humanhash: oranges-maine-whiskey-missouri
File name:6383826DG.js
Download: download sample
Signature Formbook
File size:6'766'247 bytes
First seen:2025-12-08 17:04:42 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:gdsdw1VpJYs2tcTSJ3sBy1gaeEEdJSV6JTwxJgzpjHws9JXdJgnlm9hg3yRg:p
Threatray 9 similar samples on MalwareBazaar
TLSH T1CF661260D92846C9C0EC9C138F85E9C86F1E6AEEB7193CB4761970CBDF9641DE1B2913
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 base64 fingerprint obfuscated obfuscated overlay powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-12-08T02:31:00Z UTC
Last seen:
2025-12-10T13:53:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.SAgent.gen HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Process Parents
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 download and execute
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829012 Sample: 6383826DG.js Startdate: 08/12/2025 Architecture: WINDOWS Score: 100 48 www.030057635.xyz 2->48 50 www.vikasitbharat.org 2->50 52 9 other IPs or domains 2->52 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 68 11 other signatures 2->68 12 wscript.exe 1 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 66 Performs DNS queries to domains with low reputation 48->66 process4 dnsIp5 80 Suspicious powershell command line found 12->80 82 Wscript starts Powershell (via cmd or directly) 12->82 84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->84 86 2 other signatures 12->86 18 powershell.exe 14 15 12->18         started        58 127.0.0.1 unknown unknown 15->58 signatures6 process7 dnsIp8 54 ingel.rs 185.102.77.42, 443, 49689 HOSTING90UPSTREAMconnectivityCZ Czech Republic 18->54 56 pngup.com 149.56.126.37, 443, 49685 OVHFR Canada 18->56 70 Writes to foreign memory regions 18->70 72 Injects a PE file into a foreign processes 18->72 22 calc.exe 18->22         started        25 conhost.exe 18->25         started        signatures9 process10 signatures11 74 Maps a DLL or memory area into another process 22->74 76 Unusual module load detection (module proxying) 22->76 27 r8uoSyBkR.exe 22->27 injected process12 signatures13 78 Maps a DLL or memory area into another process 27->78 30 dllhost.exe 13 27->30         started        process14 signatures15 88 Tries to steal Mail credentials (via file / registry access) 30->88 90 Tries to harvest and steal browser information (history, passwords, etc) 30->90 92 Modifies the context of a thread in another process (thread injection) 30->92 94 4 other signatures 30->94 33 zM5howWoF8.exe 30->33 injected 36 chrome.exe 30->36         started        38 firefox.exe 30->38         started        process16 dnsIp17 42 www.030057635.xyz 161.97.142.144, 49701, 49702, 49703 CONTABODE United States 33->42 44 www.allwaysathand.com 52.223.13.41, 49709, 49710, 49711 AMAZONEXPANSIONGB United States 33->44 46 4 other IPs or domains 33->46 40 WerFault.exe 4 36->40         started        process18
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-JS.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-12-08 17:05:42 UTC
File Type:
Binary
AV detection:
13 of 37 (35.14%)
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
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://pngup.com/VmOv/MSI_PRO_with_b64.png
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.

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