MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0830ecfcff892e2000cc759bf62ef778f648823c4b144c06a5c7f343c07d1c61. 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
| SHA256 hash: | 0830ecfcff892e2000cc759bf62ef778f648823c4b144c06a5c7f343c07d1c61 |
|---|---|
| SHA3-384 hash: | d57a9ac896a3f85cc48bf67b2d60e383bf03fee316adebde4b37aa918e5888886e512eaa2708ddd47c27ea7020aa8db2 |
| SHA1 hash: | 30f6b3ba293470f1c7f7a436d41c84efbf6a72fd |
| MD5 hash: | f800755be467c9eb8f33b084f8dff6b3 |
| humanhash: | friend-lake-beryllium-batman |
| File name: | Doc 0018861308002341c.JS |
| Download: | download sample |
| Signature | Formbook |
| File size: | 3'990'707 bytes |
| First seen: | 2026-09-07 07:11:01 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 98304:fr7M3bSdk4jTozgPoRc7yfT6j+kFG016HzwVkoGHfpjAVP+A1:z48ozNsKTi+X5ji+A1 |
| TLSH | T11D06C4409145E58253747E25662FF6B1DF90E39B8480ED0E756CE4BA8F36F80A13DE2E |
| Magika | txt |
| Reporter |  abuse_ch |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
141
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug dropper evasive obfuscated obfuscated packed repaired
Verdict:
Suspicious
Labled as:
JS/TrojanDropper.ModiLoader
Verdict:
Malicious
File Type:
js
First seen:
2026-09-07T00:22:00Z UTC
Last seen:
2026-09-09T05:10:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
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)
Uses whoami command line tool to query computer and username
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
Gathering data
Threat name:
Script-JS.Trojan.Generic
Status:
Suspicious
First seen:
2026-09-07 07:11:30 UTC
File Type:
Binary
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
Formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook execution rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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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