MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9568e856bd7e2469908c9ee8dfc816f94662dd9643e34c6ec6d3153656e82247. 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 1 File information Comments

SHA256 hash: 9568e856bd7e2469908c9ee8dfc816f94662dd9643e34c6ec6d3153656e82247
SHA3-384 hash: 800047e6bc83b14e02487557a447675ef6dc7c9033d77e1a4c1ae27bd9b338595bc548cdd093fd6c8936548a8ee272ce
SHA1 hash: 639217ee261b2ad15b5f0741ff6edc153f64fdab
MD5 hash: 4300a37d59e8efca88510a9076904193
humanhash: sodium-montana-victor-victor
File name:Remittance Copy.pdf.JS
Download: download sample
Signature Formbook
File size:2'626'581 bytes
First seen:2025-05-22 06:05:13 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:HnY1xARqxSPNxQl8x1kZkM13xdGsxLkDxOuJKxyHvWP8xOl5b4/x5lzxNwGxniDQ:HVkZk4/USCrzVlscNBf9
Threatray 9 similar samples on MalwareBazaar
TLSH T108C5E9D5EA028BC0D2130EDE2D21BF1A189BF866DBD7334D1359BCD64976495EBE0C22
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
431
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Injects a PE file into a foreign processes
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)
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 Parent Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1696570 Sample: Remittance Copy.pdf.JS.js Startdate: 22/05/2025 Architecture: WINDOWS Score: 100 39 www.zilladrop.site 2->39 41 lo.seculogo.sa.com 2->41 43 9 other IPs or domains 2->43 59 Suricata IDS alerts for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Yara detected FormBook 2->63 65 9 other signatures 2->65 12 wscript.exe 1 1 2->12         started        signatures3 process4 signatures5 79 JScript performs obfuscated calls to suspicious functions 12->79 81 Suspicious powershell command line found 12->81 83 Wscript starts Powershell (via cmd or directly) 12->83 85 2 other signatures 12->85 15 powershell.exe 14 15 12->15         started        process6 dnsIp7 51 lo.seculogo.sa.com 172.93.120.11, 443, 49722 HOST4GEEKS-LLCUS United States 15->51 53 webmail.aruba.it 62.149.158.90, 443, 49721 ARUBA-ASNIT Italy 15->53 55 Writes to foreign memory regions 15->55 57 Injects a PE file into a foreign processes 15->57 19 MSBuild.exe 15->19         started        22 conhost.exe 15->22         started        signatures8 process9 signatures10 67 Maps a DLL or memory area into another process 19->67 24 NTGMnLkazmu97.exe 19->24 injected process11 signatures12 69 Maps a DLL or memory area into another process 24->69 27 chkntfs.exe 13 24->27         started        process13 signatures14 71 Tries to steal Mail credentials (via file / registry access) 27->71 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Modifies the context of a thread in another process (thread injection) 27->75 77 3 other signatures 27->77 30 uPBVXRNivA.exe 27->30 injected 33 chrome.exe 27->33         started        35 firefox.exe 27->35         started        process15 dnsIp16 45 www.zilladrop.site 203.161.42.71, 49726, 49727, 49728 VNPT-AS-VNVNPTCorpVN Malaysia 30->45 47 www.fbgiq.town 137.175.35.13, 49725, 80 PEGTECHINCUS United States 30->47 49 www.covoai.live 121.254.178.233, 49730, 49731, 49732 LGDACOMLGDACOMCorporationKR Korea Republic of 30->49 37 WerFault.exe 4 33->37         started        process17
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-21 09:35:53 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
https://webmail.aruba.it/smart/cgi-bin/ajaxfile?ACT_FIL_DL=1&PUBLICUID=@1.VFMxM0RLUmlpak5VUCt4RkdEU3luR3VzRmxneHAzUStkTzBJZythWmhBYXR2Rng3R2dCNVl5V3djYTBnV0luVA==
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:Base64_Encoded_Powershell_Directives

File information


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

Comments