MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9c5df9080e5fb19a547ad2e7368ec07a57bc47f6a59195293beeb277b2a3800e. 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: 13
| SHA256 hash: | 9c5df9080e5fb19a547ad2e7368ec07a57bc47f6a59195293beeb277b2a3800e |
|---|---|
| SHA3-384 hash: | 19804573727dccb5027b1716b7144ffefaa5a5a6f9165ac9782f9b46e314abc6069296719665e1b6c4efa350c7529a2a |
| SHA1 hash: | 647ff060a9ed41a9527d89562048de34ed97fa54 |
| MD5 hash: | cadd79c922800b700bf981e42db3e001 |
| humanhash: | florida-bluebird-spring-mobile |
| File name: | New instruction.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 16'114'918 bytes |
| First seen: | 2026-04-15 07:53:14 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 3072:9kkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkkVtLkk7:/bbbbbbbbbbbbbbbbbbb1 |
| Threatray | 2'694 similar samples on MalwareBazaar |
| TLSH | T17EF6D011327FC30CB6730A2D86F670A56ABBFB97AA75CBD801B0090D19E5D11C962F67 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | txt |
| Reporter |  abuse_ch |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
127
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
dropper shell spawn
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 evasive lolbin obfuscated powershell powershell repaired schtasks
Verdict:
Malicious
Labled as:
PowerShell/Obfuscated.BE trojan
Verdict:
Malicious
File Type:
js
First seen:
2026-04-14T22:17:00Z UTC
Last seen:
2026-04-17T06:04:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Downloader.MSIL.Agent.a PDM:Trojan.Win32.Generic Trojan.MSIL.Miner.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb Trojan-PSW.Win32.Stealer.sb Trojan-Downloader.JS.SLoad.sb Backdoor.Agent.HTTP.C&C Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen Trojan.MSIL.DOTHETUK.sb
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Injects a PE file into a foreign processes
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Generic Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Score:
83%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
Script-PowerShell.Trojan.Heuristic
Status:
Malicious
First seen:
2026-04-15 05:39:27 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 38 (18.42%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'684 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Suspicious use of SetThreadContext
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Formbook
Formbook payload
Malware Config
Dropper Extraction:
https://firebasestorage.googleapis.com/v0/b/rodriakd-8413d.appspot.com/o/dll%2Fjs.txt?alt=media&token=09ada575-efa9-4dc8-b331-404723b5997a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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.
No further information available
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