MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f88aa07629bddc2ccdf95b1d6f2e49cd1342a08bfd9d9a40a399ffd3d2a228c. 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: 4f88aa07629bddc2ccdf95b1d6f2e49cd1342a08bfd9d9a40a399ffd3d2a228c
SHA3-384 hash: b62d3a4206b0178d16f3ab6c5b2bda2a8cb455f7321fb508ad00e2f630250afed0bcd1a41e8454104e82d1df9b5b525b
SHA1 hash: 9340eddfe3fb7cdf86c7d005f48a1c2af68e5296
MD5 hash: 23f711996358a2cec94dc8149cc66736
humanhash: mirror-johnny-tennis-uranus
File name:Quantity of item.js
Download: download sample
Signature Formbook
File size:29'057 bytes
First seen:2025-05-30 08:11:56 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:I7Zd8Iq2BWAK/MbQ2B6Bn/Wlxj4eOvdtVGYc8NIl4nx:sZDzM+b5YNY7m5Bc8+la
Threatray 33 similar samples on MalwareBazaar
TLSH T14DD277450182B4BDCC320698676B739EFA65CC066FA6FDA0B8ED46439B34C55833DEC6
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
439
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive obfuscated overlay powershell
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Found Tor onion address
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
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)
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: Suspicious PowerShell Parameter Substring
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)
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: 1702153 Sample: Quantity of item.js Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 48 www.a665.xyz 2->48 50 www.dekoratifcamfilmi.xyz 2->50 52 12 other IPs or domains 2->52 62 Suricata IDS alerts for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 70 8 other signatures 2->70 12 wscript.exe 1 1 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 68 Performs DNS queries to domains with low reputation 50->68 process4 dnsIp5 82 JScript performs obfuscated calls to suspicious functions 12->82 84 Suspicious powershell command line found 12->84 86 Wscript starts Powershell (via cmd or directly) 12->86 88 3 other signatures 12->88 18 powershell.exe 14 15 12->18         started        60 127.0.0.1 unknown unknown 15->60 signatures6 process7 dnsIp8 54 archive.org 207.241.224.2, 443, 49681 INTERNET-ARCHIVEUS United States 18->54 56 dn720701.ca.archive.org 204.62.246.86, 443, 49682 COGENT-174US United States 18->56 58 pub-ee582455809e427681c0d15d9645b5cc.r2.dev 162.159.140.237, 443, 49685 CLOUDFLARENETUS United States 18->58 72 Found Tor onion address 18->72 74 Writes to foreign memory regions 18->74 76 Injects a PE file into a foreign processes 18->76 22 MSBuild.exe 18->22         started        25 conhost.exe 18->25         started        signatures9 process10 signatures11 78 Maps a DLL or memory area into another process 22->78 27 hLtL4YeBEOJXUn.exe 22->27 injected process12 signatures13 80 Maps a DLL or memory area into another process 27->80 30 fc.exe 13 27->30         started        process14 signatures15 90 Tries to steal Mail credentials (via file / registry access) 30->90 92 Tries to harvest and steal browser information (history, passwords, etc) 30->92 94 Modifies the context of a thread in another process (thread injection) 30->94 96 3 other signatures 30->96 33 Ganwjdem.exe 30->33 injected 36 chrome.exe 30->36         started        38 firefox.exe 30->38         started        process16 dnsIp17 42 a665.xyz 15.197.225.128, 49695, 80 TANDEMUS United States 33->42 44 dns.jx288899.top 217.194.135.33, 49697, 49698, 49699 SKYVISIONGB United Kingdom 33->44 46 3 other IPs or domains 33->46 40 WerFault.exe 4 36->40         started        process18
Threat name:
Win32.Dropper.Boxter
Status:
Malicious
First seen:
2025-05-30 08:12:24 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
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
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