MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
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SHA256 hash: d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6
SHA3-384 hash: 939b3c04cfece255a5b2b5bd7ea0e534d63b27e41eaa5a613a3f4173a0a1f07bba158f15166dd26401938ed112eca425
SHA1 hash: 0f83764ece62ecff453e92289fde5c2d52aa6e5c
MD5 hash: 1c15342497dd81b0c5fab087c15cb9bb
humanhash: sierra-whiskey-colorado-speaker
File name:Title commitment.js
Download: download sample
Signature Formbook
Create hunting rule
File size:75'480 bytes
First seen:2025-05-23 08:24:17 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:A0mCYWLbNl7VB2BaH4S0Z1e5uMJbyn+n5YeWTuitm2ZGilPJURF3u6q6DdkOfGAU:AOb7WTugwWqRF3HOwdzva0QEh4yAE5Eh
TLSH T15673E9D9704FA07B57A32324527F045AEAFDD515296ED8A4F58C89843B2082D83F1EFE
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26444.JsHeur.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.JS.Downloader-133.UNOFFICIAL
Create hunting rule

Js.Dropper.Divergent-7133099-1
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6830318d44c3881e854c49b8
Tags:
dropper xtreme shell
Verdict:
Malicious
Labled as:
TrojanDownloader/JS.Nemucod
Link:
https://www.hybrid-analysis.com/sample/d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1697575
Signature
Connects to a pastebin service (likely for C&C)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
Javascript file is likely language aware (will only work on specific systems)
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: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses whoami command line tool to query computer and username
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697575 Sample: Title commitment.js Startdate: 23/05/2025 Architecture: WINDOWS Score: 100 65 www.glassapps.xyz 2->65 67 www.fabu2024b01.xyz 2->67 69 6 other IPs or domains 2->69 83 Suricata IDS alerts for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Multi AV Scanner detection for submitted file 2->87 91 17 other signatures 2->91 12 wscript.exe 1 1 2->12         started        16 wscript.exe 2->16         started        18 wscript.exe 1 2->18         started        20 svchost.exe 1 1 2->20         started        signatures3 89 Performs DNS queries to domains with low reputation 67->89 process4 dnsIp5 79 paste.ee 23.186.113.60, 443, 49683, 49684 KLAYER-GLOBALNL Reserved 12->79 109 JScript performs obfuscated calls to suspicious functions 12->109 111 Suspicious powershell command line found 12->111 113 Wscript starts Powershell (via cmd or directly) 12->113 117 2 other signatures 12->117 22 powershell.exe 15 16 12->22         started        115 System process connects to network (likely due to code injection or exploit) 16->115 26 powershell.exe 16->26         started        28 powershell.exe 18->28         started        81 127.0.0.1 unknown unknown 20->81 signatures6 process7 dnsIp8 71 ia600705.us.archive.org 207.241.227.165, 443, 49685, 49695 INTERNET-ARCHIVEUS United States 22->71 101 Creates autostart registry keys with suspicious values (likely registry only malware) 22->101 103 Writes to foreign memory regions 22->103 105 Found suspicious powershell code related to unpacking or dynamic code loading 22->105 30 AddInProcess32.exe 22->30         started        33 cmd.exe 2 22->33         started        36 conhost.exe 22->36         started        44 2 other processes 22->44 107 Injects a PE file into a foreign processes 26->107 38 conhost.exe 26->38         started        40 AddInProcess32.exe 26->40         started        42 conhost.exe 28->42         started        signatures9 process10 file11 119 Maps a DLL or memory area into another process 30->119 46 9eix3OaeY4x.exe 30->46 injected 63 C:\Users\Public\Downloads\nightjars.js, Unicode 33->63 dropped 49 conhost.exe 33->49         started        signatures12 process13 signatures14 121 Maps a DLL or memory area into another process 46->121 123 Uses whoami command line tool to query computer and username 46->123 51 whoami.exe 13 46->51         started        process15 signatures16 93 Tries to steal Mail credentials (via file / registry access) 51->93 95 Tries to harvest and steal browser information (history, passwords, etc) 51->95 97 Modifies the context of a thread in another process (thread injection) 51->97 99 3 other signatures 51->99 54 zdzyPZozekSRQ.exe 51->54 injected 57 chrome.exe 51->57         started        59 firefox.exe 51->59         started        process17 dnsIp18 73 www.glassapps.xyz 13.248.169.48, 49706, 49716, 49717 AMAZON-02US United States 54->73 75 www.sisy-sensory.website 89.221.213.139, 49708, 49709, 49710 WEDOSCZ Czech Republic 54->75 77 www.pulsehaven.live 159.198.76.235, 49712, 49713, 49714 CAT-IDC-4BYTENET-AS-APCATTELECOMPublicCompanyLtdCATT United States 54->77 61 WerFault.exe 4 57->61         started        process19
Score:
0%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-05-23 00:58:57 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wyfegjow2r5bkc2tozkb76ewp7knkvdyennc4ouoplb3ytr3d3a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/250523-kbn5yabn4z/
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d5b052192eb6a3d0a85a9bb2a0ffc4b3fea6aaa3c11ad171d473d61de271d8f6

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
Create hunting rule
Author:ditekSHen
Description:Detects JS potentially executing WMI queries
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:OBFUS_PowerShell_Common_Replace
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the common usage of replace for obfuscation

File information

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

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