MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f17e05d5088f660c3d540dac6df5a3f3e36d83ad0af66c33244c7ed7c6a0ef67. 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 2 File information Comments

SHA256 hash: f17e05d5088f660c3d540dac6df5a3f3e36d83ad0af66c33244c7ed7c6a0ef67
SHA3-384 hash: f21cb5b3d494673e6339dd4c2bd99082727ba8fd52e0123356bd3e1b9a2aba8daf90afc19c179104b7a0cb2fc0159e62
SHA1 hash: 4601840f496d773090b0bf8e2f86ab254d60a39b
MD5 hash: 813cc4058d43fdb5d0eada020cf3f351
humanhash: potato-ack-alaska-dakota
File name:RFQ 460125.js
Download: download sample
Signature Formbook
File size:123'992 bytes
First seen:2025-09-24 15:13:59 UTC
Last seen:2025-09-24 15:16:24 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:7t4Ua2AsL6tG0cjRpwsEQXwUQml2mwyh44m7mg5qVNiYwsVpdOwsypmpBLp79NAX:xta0jGZC+dJ4Wr+qsN7CAhsXlg
Threatray 2 similar samples on MalwareBazaar
TLSH T11DC315CA3A60B57A4834F22CDE7D290FEEA355760AC4147035AFA6FA1F34D45C12B9D8
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence


File Origin
# of uploads :
3
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated powershell
Verdict:
Malicious
File Type:
js
First seen:
2025-09-24T08:56:00Z UTC
Last seen:
2025-09-24T08:56:00Z UTC
Hits:
~1000
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic VHO:Trojan.Script.SAgent.gen
Result
Threat name:
FormBook
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 file contains suspicious strings
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: 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 download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783366 Sample: RFQ 460125.js Startdate: 24/09/2025 Architecture: WINDOWS Score: 100 39 www.youconsultants.xyz 2->39 41 www.hawkstorage.xyz 2->41 43 7 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 Antivirus detection for URL or domain 2->63 67 9 other signatures 2->67 12 wscript.exe 1 2->12         started        signatures3 65 Performs DNS queries to domains with low reputation 41->65 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 15 12->15         started        process6 dnsIp7 51 shippingua.xo.je 185.27.134.151, 49691, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 15->51 53 ia601001.us.archive.org 207.241.227.31, 49690, 80 INTERNET-ARCHIVEUS United States 15->53 55 Writes to foreign memory regions 15->55 57 Injects a PE file into a foreign processes 15->57 19 cacls.exe 15->19         started        22 conhost.exe 15->22         started        signatures8 process9 signatures10 69 Maps a DLL or memory area into another process 19->69 24 De0E6us9ErV5Y.exe 19->24 injected process11 signatures12 71 Maps a DLL or memory area into another process 24->71 27 cmd.exe 13 24->27         started        process13 signatures14 73 Tries to steal Mail credentials (via file / registry access) 27->73 75 Tries to harvest and steal browser information (history, passwords, etc) 27->75 77 Modifies the context of a thread in another process (thread injection) 27->77 79 3 other signatures 27->79 30 kbFsay48Nmn.exe 27->30 injected 33 chrome.exe 27->33         started        35 firefox.exe 27->35         started        process15 dnsIp16 45 8m1.xyz 173.0.157.187, 49694, 80 SERVERS-COMUS United States 30->45 47 www.hawkstorage.xyz 166.117.110.61, 49696, 49697, 49698 NSWPOLSERV-AS-APNewSouthWalesPoliceAU United States 30->47 49 2 other IPs or domains 30->49 37 WerFault.exe 4 33->37         started        process17
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-09-24 11:41:01 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
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:
http://ia601001.us.archive.org/25/items/msi-pro-with-b-64_20250923/MSI_PRO_with_b64.png
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:INDICATOR_SUSPICIOUS_JS_WMI_ExecQuery
Author:ditekSHen
Description:Detects JS potentially executing WMI queries
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Malspam

Formbook

Java Script (JS) js f17e05d5088f660c3d540dac6df5a3f3e36d83ad0af66c33244c7ed7c6a0ef67

(this sample)

  
Delivery method
Distributed via e-mail attachment

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