MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9ace836b5620beb0d97e32d9bc1fd31c9be7e07128a037f1f5d2c8a19a69253b. 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
| SHA256 hash: | 9ace836b5620beb0d97e32d9bc1fd31c9be7e07128a037f1f5d2c8a19a69253b |
|---|---|
| SHA3-384 hash: | 5e68276d09905251b1b5affaccb7a2aa5bf6bd4858cd22d60b3b476027f3fd3f6bf990bfba5a6cefc658d19c8c717091 |
| SHA1 hash: | 107b6935344393bcf441c84f055b11f5f318f806 |
| MD5 hash: | 419906e82e0f5dbe171d27947283303b |
| humanhash: | shade-cardinal-oklahoma-oklahoma |
| File name: | ofertoweQTN-2000641.jse |
| Download: | download sample |
| Signature | Formbook |
| File size: | 7'448 bytes |
| First seen: | 2026-11-12 07:31:31 UTC |
| Last seen: | Never |
| File type: |  jse |
| MIME type: | application/javascript |
| ssdeep | 96:DQt/rGC19BjEgpubvpwRD2kbGxst90uVdgHVpSv:D+SCZpuLpHqVsHOv |
| TLSH | T13FE144D99C56A0B489B7F33E8B2FC609E7A744130106D67479EC92841F7046C82ACEFD |
| Magika | javascript |
| Reporter |  ni_fi_701 |
| Tags: | FormBook jse |
Intelligence
File Origin
# of uploads :
1
# of downloads :
61
Origin country :
ATVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
96.5%
Tags:
proxy java
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
evasive opendir persistence powershell repaired
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Verdict:
Malicious
File Type:
js
Detections:
Trojan-Downloader.Agent.HTTP.C&C Trojan.JS.SAgent.sb Trojan-Downloader.JS.SLoad.sb HEUR:Trojan-Downloader.Script.Generic
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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: 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
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)
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
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:
Score:
68%
Verdict:
Susipicious
File Type:
SCRIPT
Threat name:
Script-JS.Backdoor.FormBook
Status:
Malicious
First seen:
2026-11-11 20:23:44 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 36 (30.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Malware Family:
affx
Malicious:
True
Tags:
javascript exec
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | SUSP_Script_PowerShell_Hidden_Launcher |
|---|---|
| Author: | Marjoriefort |
| Description: | Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar |
| Reference: | Veille fraicheur 2026-09-14 / cluster misses web |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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