MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4
SHA3-384 hash: 3e82669afc020ec45038b373e5a066fe7338a04e9bc706efe2f9a59aaa9644d1f1123e0fa64c9921f36ae07978ffddfc
SHA1 hash: 25af0517283821f84bb6a423fe1a4382eaf4800e
MD5 hash: e39a8e1575c19298765bcd32bbbb98c6
humanhash: mobile-missouri-pluto-bacon
File name:11503-電信費電子通知單·pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:28'752 bytes
First seen:2026-04-01 15:32:17 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:ixQ90b4nJNghFR2UmplENBPaQk+P+tJs2qq1DbU:ixD2llgBPaJ+KJmq1E
TLSH T1B2D22AEE8903B9F60B163A0F58CA5171DFBD6A516426C021B0AF9B1D27009DCD6747FB
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
SE SE
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cd3a966363ca5d27f0a305
Tags:
malware
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/69cd3ac02346b9da57b73381/reports/d73f995f-e50f-4ffd-b209-a936680b2013/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4
Verdict:
Malicious
File Type:
js
First seen:
2026-03-30T21:34:00Z UTC
Last seen:
2026-04-03T01:30:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.PowerShell.Agent.sb HEUR:Trojan.Script.Generic Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen Trojan.PowerShell.Strion.sb
Link:
https://opentip.kaspersky.com/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4/results?tab=lookup
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1892279
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Installs a MSI (Microsoft Installer) remotely
JavaScript source code contains functionality to generate code involving a shell, file or stream
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: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain 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 GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1892279 Sample: 11503-#U96fb#U4fe1#U8cbb#U9... Startdate: 01/04/2026 Architecture: WINDOWS Score: 100 47 www.3701157.xyz 2->47 49 dusakabinsilikonu.com 2->49 51 10 other IPs or domains 2->51 69 Suricata IDS alerts for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 77 6 other signatures 2->77 11 powershell.exe 18 2->11         started        14 wscript.exe 1 1 2->14         started        signatures3 75 Performs DNS queries to domains with low reputation 47->75 process4 signatures5 87 Writes to foreign memory regions 11->87 89 Found suspicious powershell code related to unpacking or dynamic code loading 11->89 91 Hides threads from debuggers 11->91 101 3 other signatures 11->101 16 WerFault.exe 6 11->16         started        19 conhost.exe 11->19         started        21 msiexec.exe 11->21         started        26 21 other processes 11->26 93 Wscript starts Powershell (via cmd or directly) 14->93 95 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->95 97 Suspicious execution chain found 14->97 99 Creates processes via WMI 14->99 23 powershell.exe 14 16 14->23         started        process6 dnsIp7 63 Hides threads from debuggers 16->63 65 Installs a MSI (Microsoft Installer) remotely 16->65 28 CSRtGy0v.exe 16->28 injected 31 msiexec.exe 16->31         started        59 drive.usercontent.google.com 142.250.217.97, 443, 49696, 49700 GOOGLEUS United States 23->59 61 drive.google.com 142.251.34.238, 443, 49695, 49699 GOOGLEUS United States 23->61 67 Found suspicious powershell code related to unpacking or dynamic code loading 23->67 33 conhost.exe 23->33         started        signatures8 process9 signatures10 103 Maps a DLL or memory area into another process 28->103 35 comp.exe 13 28->35         started        process11 signatures12 79 Tries to steal Mail credentials (via file / registry access) 35->79 81 Tries to harvest and steal browser information (history, passwords, etc) 35->81 83 Modifies the context of a thread in another process (thread injection) 35->83 85 4 other signatures 35->85 38 mpKTPxxGiEV.exe 35->38 injected 41 chrome.exe 35->41         started        43 firefox.exe 35->43         started        process13 dnsIp14 53 3701157.xyz 68.65.121.158, 49701, 80 NAMECHEAP-NETUS United States 38->53 55 dusakabinsilikonu.com 185.106.208.2, 49702, 49703, 49704 GUZELHOSTINGGNETINTERNETTELEKOMUNIKASYONASTR Turkey 38->55 57 www.rightnova.site 159.198.40.140, 49706, 49707, 49708 CAT-IDC-4BYTENET-AS-APCATTELECOMPublicCompanyLtdCATT United States 38->57 45 WerFault.exe 4 41->45         started        process15
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/e39a8e1575c19298765bcd32bbbb98c6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 01:29:00 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=n5sgauaus5fh3dmhvartsqkyf72lvg7nn33a6hrcecupq2hwnc2a._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260401-sysewagy7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Use of msiexec (install) with remote resource
Badlisted process makes network request
Process spawned unexpected child process
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/6f64605014974a7d8d87a8233941582ff4ba9bed6ef60f1e2220a8f868f668b4

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:Sus_CMD_Powershell_Usage
Create hunting rule
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.

Comments