MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31
SHA3-384 hash: 915a5cada54722809e4819af115127140f48ee8bf536b4c94216397865615e15e812b7d7e199bb1e09c4553c04e8bd91
SHA1 hash: 71a808650ae63d4cc658822e077e22d5ff058d7e
MD5 hash: c4fa39a17f0512fd83ac8d2a9bd398b0
humanhash: fillet-oranges-jersey-fish
File name:HECFfn98j1.vbs
Download: download sample
Signature Formbook
Create hunting rule
File size:1'276'023 bytes
First seen:2026-07-11 07:02:25 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:00cOj1cR8v7rP7QiGem9wouCUBfgVXpbi31BK2NBnrc2k5jwvPH:0XOJTrjQFCFCUZmYH
TLSH T1F2452341EF8F3E300FB4AA38B07E6F0D9F30CA9D9456F499127169831476BC153AE869
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74220/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5072dd13f68731ed6b4e3d
Tags:
autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug autoit base64 dropper encrypted evasive fingerprint keylogger obfuscated persistence powershell powershell reconnaissance
Link:
https://www.filescan.io/uploads/6a51eaa0832dd3cdb72c0d29/reports/69435993-f333-4b72-89f2-deecdcbf3bdd/overview
Verdict:
Malicious
Labled as:
GT:VB.Zbot.9
Link:
https://www.hybrid-analysis.com/sample/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31
Verdict:
Malicious
File Type:
text
First seen:
2026-07-10T00:00:00Z UTC
Last seen:
2026-07-13T05:35:00Z UTC
Hits:
~1000
Detections:
Trojan.JS.SAgent.sb Trojan-Dropper.JS.SDrop.sb PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic HEUR:Worm.Script.Generic HEUR:Trojan.PowerShell.Kryptik.gen HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31/results?tab=lookup
Result
Threat name:
Koadic, DonutLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1940941
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
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
Queues an APC in another process (thread injection)
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp 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
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)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected DonutLoader
Yara detected FormBook
Yara detected Koadic BAT payload
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1940941 Sample: HECFfn98j1.vbs Startdate: 11/07/2026 Architecture: WINDOWS Score: 100 59 www.qol.se 2->59 61 www.hentons.com.mx 2->61 63 4 other IPs or domains 2->63 83 Suricata IDS alerts for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for URL or domain 2->87 89 11 other signatures 2->89 13 wscript.exe 2 2->13         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\tmp152648.bat.gz, gzip 13->57 dropped 111 VBScript performs obfuscated calls to suspicious functions 13->111 113 Suspicious powershell command line found 13->113 115 Wscript starts Powershell (via cmd or directly) 13->115 117 3 other signatures 13->117 17 cmd.exe 2 13->17         started        21 powershell.exe 16 13->21         started        signatures6 process7 file8 53 C:\Users\user\AppData\...\aqxuklgowzoifs.ps1, ASCII 17->53 dropped 71 Wscript starts Powershell (via cmd or directly) 17->71 23 powershell.exe 1 23 17->23         started        25 conhost.exe 17->25         started        55 C:\Users\user\AppData\Local\...\tmp152648.bat, ASCII 21->55 dropped 73 Found suspicious powershell code related to unpacking or dynamic code loading 21->73 27 conhost.exe 21->27         started        signatures9 process10 process11 29 vijewyufveonabghulluonouceyasi.exe 23->29         started        32 conhost.exe 23->32         started        signatures12 105 Writes to foreign memory regions 29->105 107 Allocates memory in foreign processes 29->107 109 Creates a thread in another existing process (thread injection) 29->109 34 charmap.exe 29->34         started        process13 signatures14 75 Modifies the context of a thread in another process (thread injection) 34->75 77 Maps a DLL or memory area into another process 34->77 79 Queues an APC in another process (thread injection) 34->79 81 2 other signatures 34->81 37 XBa0YkM6Gxg9He.exe 34->37 injected 40 WerFault.exe 3 21 34->40         started        process15 signatures16 91 Binary is likely a compiled AutoIt script file 37->91 93 Maps a DLL or memory area into another process 37->93 95 Found direct / indirect Syscall (likely to bypass EDR) 37->95 42 rasphone.exe 13 37->42         started        process17 signatures18 97 Tries to steal Mail credentials (via file / registry access) 42->97 99 Tries to harvest and steal browser information (history, passwords, etc) 42->99 101 Modifies the context of a thread in another process (thread injection) 42->101 103 3 other signatures 42->103 45 4QCcCp35HoYutL.exe 42->45 injected 49 firefox.exe 42->49         started        51 chrome.exe 42->51         started        process19 dnsIp20 65 hentons.com.mx 132.148.181.240, 49719, 49721, 49722 GO-DADDY-COM-LLC-GoDaddycomLLCUS United States 45->65 67 www.qol.se 104.21.22.61, 49744, 49745, 49746 CLOUDFLARENET-CloudflareIncUS Canada 45->67 69 3 other IPs or domains 45->69 119 Binary is likely a compiled AutoIt script file 45->119 signatures21
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31
Verdict:
Malware
YARA:
2 match(es)
Tags:
ADODB.Stream Base64 Block Contains Base64 Block DeObfuscated Msxml2.DOMDocument.3.0 PowerShell Scripting.FileSystemObject VBScript WScript.Shell
Link:
https://app.malva.re/file/c4fa39a17f0512fd83ac8d2a9bd398b0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31
Threat name:
Script-WScript.Trojan.Donutloader
Create hunting rule
Status:
Malicious
First seen:
2026-07-10 04:19:43 UTC
File Type:
Text (VBS)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zbfsondlqrcx4plwbxe5wo73gkbq37533v3uasi47zn6jxo4fmyq._file
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery execution loader persistence
Link:
https://tria.ge/reports/260711-hvbylsdw2p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Detects DonutLoader
Family: DonutLoader
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/c84b27346b84457e3d760dc9db3bfb32830dffbbdd7740491cfe5be4dddc2b31

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:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/74220/

Comments