MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7dcda246a493b8ee619f6e43539bf3d2613ae39404cbfde0abdc27f7e3b676c9. 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: 9
| SHA256 hash: | 7dcda246a493b8ee619f6e43539bf3d2613ae39404cbfde0abdc27f7e3b676c9 |
|---|---|
| SHA3-384 hash: | bb026f226051e93956302cb6f431a63f3bcf258a9d5809bdf62f9c6c564e1ebcf0bb43c72aa6de438dfc57e12471cf33 |
| SHA1 hash: | e9d1942cc5c80fba3d59def96c1be4c3e8a2c3a0 |
| MD5 hash: | 19f2045f9cd8c2fc99292ec6a1caa958 |
| humanhash: | double-edward-zebra-fourteen |
| File name: | STEPH.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 2'180 bytes |
| First seen: | 2025-03-20 07:24:23 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/plain |
| ssdeep | 48:1sH4X54NAx+wv9V+9N/rnYlAWV6ZUtvdvc1+qEDyZTdWJDgOoew:i++wv9c9N/ZCNe1+2ldEC |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | T1834182DF3F04D09C8B4B426BAD2F402EE660C84569D9C511E2A1A9CCBC10360D93F768 |
| Magika | javascript |
| Reporter | |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NLVendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
trojan shell hype
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
confuserex dropper evasive obfuscated obfuscated opendir opendir packed packed
Verdict:
Suspicious
Labled as:
Trojan.Script.Heuristic
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
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
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Threat name:
Script-JS.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-03-20 07:25:26 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery execution
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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
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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