MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4afe8337c12e3ceb9b3f676860bb2594a363b2ca98db1cee0a5e0a67349583ed. 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 1 File information Comments

SHA256 hash: 4afe8337c12e3ceb9b3f676860bb2594a363b2ca98db1cee0a5e0a67349583ed
SHA3-384 hash: 7559dd96505f4f2e4662d9f6090ff38feecdc93a774b5c40ae5ff0ef855ac28a95dec9c030814b2f28c8280f2891b34a
SHA1 hash: 4f7dc2dd4b46e3ca5ad3d07d1322248ff46e38b5
MD5 hash: 752ed970a0e854eda14dc788092b0b5d
humanhash: east-september-arkansas-winner
File name:BB MATE FATT.1-206.js
Download: download sample
Signature Formbook
File size:37'286 bytes
First seen:2026-04-14 11:09:45 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:PlSTU0d38+DayiQ3lpWgOJspuEmKcc3mgXmbm6tinwsNqOrTF6tAB91qRnhbPdkx:Pgh8+Da2LA/V/QpbyDbmRuRLK8qcX35w
TLSH T156F2528B76CBB061520232A72F2BF11EB16F8C846A8C9455F9E5745CF83C71CB4769B8
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
143
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
phishing shell spawn hype
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes aspnet_compiler base64 crypto encrypted evasive evasive formbook lolbin obfuscated remcos repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-04-14T05:08:00Z UTC
Last seen:
2026-04-16T08:32:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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
Potential obfuscated javascript found
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
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
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)
Unusual module load detection (module proxying)
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 FormBook
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1897987 Sample: BB MATE FATT.1-206.js Startdate: 14/04/2026 Architecture: WINDOWS Score: 100 47 www.fatih-lihkab.xyz 2->47 49 www.xgta-defender.pro 2->49 51 23 other IPs or domains 2->51 75 Suricata IDS alerts for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 83 11 other signatures 2->83 11 wscript.exe 16 2->11         started        16 svchost.exe 1 1 2->16         started        signatures3 81 Performs DNS queries to domains with low reputation 47->81 process4 dnsIp5 59 stylegeneration.ma 94.23.78.192, 443, 49699 OVHFR France 11->59 43 C:\Users\user\AppData\Local\...\sirdee[1].ps1, ASCII 11->43 dropped 45 C:\TempbehaviorgraphSZ4S9BF.ps1, ASCII 11->45 dropped 89 System process connects to network (likely due to code injection or exploit) 11->89 91 JScript performs obfuscated calls to suspicious functions 11->91 93 Wscript starts Powershell (via cmd or directly) 11->93 95 4 other signatures 11->95 18 powershell.exe 16 11->18         started        61 127.0.0.1 unknown unknown 16->61 file6 signatures7 process8 signatures9 71 Writes to foreign memory regions 18->71 73 Injects a PE file into a foreign processes 18->73 21 aspnet_compiler.exe 18->21         started        24 aspnet_compiler.exe 18->24         started        26 elevation_service.exe 18->26         started        28 24 other processes 18->28 process10 signatures11 85 Maps a DLL or memory area into another process 21->85 30 USOH7ptkyw48D.exe 21->30 injected 87 Unusual module load detection (module proxying) 24->87 process12 signatures13 97 Injects code into the Windows Explorer (explorer.exe) 30->97 99 Maps a DLL or memory area into another process 30->99 33 explorer.exe 13 30->33         started        process14 signatures15 63 Tries to steal Mail credentials (via file / registry access) 33->63 65 Tries to harvest and steal browser information (history, passwords, etc) 33->65 67 Modifies the context of a thread in another process (thread injection) 33->67 69 4 other signatures 33->69 36 GPPWg9fWn5vH5Y.exe 33->36 injected 39 firefox.exe 33->39         started        41 chrome.exe 33->41         started        process16 dnsIp17 53 locationjdservice.com 213.255.195.41, 49736, 49737, 49738 SKYVISIONGB United Kingdom 36->53 55 www.kurder.se 46.30.211.38, 49726, 49727, 49729 ONECOMDK Denmark 36->55 57 14 other IPs or domains 36->57
Gathering data
Threat name:
Script-JS.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-04-14 08:30:48 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Badlisted process makes network request
Family: Formbook
Formbook payload
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: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.

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