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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c4767fa0abde3cc60c2536a433359cce80faa009e8b57c28bdd0fbc8a09db91. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 8c4767fa0abde3cc60c2536a433359cce80faa009e8b57c28bdd0fbc8a09db91
SHA3-384 hash: 913cbc2f9faecac1683ae7e88727add0007198fe75f8d7bd45c1dcfd3bc7831e6faddeb4846730080e11021d165ff48a
SHA1 hash: 897b1b4ae7ab3dd0790ba4a55f94a5cc2881458c
MD5 hash: bc21db67dc3a1903a1c753ce526773a6
humanhash: solar-low-sodium-connecticut
File name:TRANSFERENCIA.js
Download: download sample
Signature Formbook
File size:5'525'532 bytes
First seen:2026-09-22 15:06:36 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:N9eqaIPLgK9Zc/eY7xOlP+4PeaU97KL4HF+7gP0qbuiv2IS5ymUEsvnhXckY3qJ:O
TLSH T116467D31D95CAEB5959A3102EF33784CA6B334C20516B22C226C0E4DFB3573BAFD5999
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 :
145
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-21T16:34:00Z UTC
Last seen:
2026-09-24T13:34:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Bypasses PowerShell execution policy
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found direct / indirect Syscall (likely to bypass EDR)
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: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Environment Variable Has Been Registered
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
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 starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected MSIL Injector
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976303 Sample: TRANSFERENCIA.js Startdate: 22/09/2026 Architecture: WINDOWS Score: 100 43 www.zz7026z.top 2->43 45 www.tvervision.online 2->45 47 8 other IPs or domains 2->47 61 Suricata IDS alerts for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 11 other signatures 2->67 11 wscript.exe 6 2->11         started        signatures3 process4 signatures5 73 Suspicious powershell command line found 11->73 75 Wscript starts Powershell (via cmd or directly) 11->75 77 Bypasses PowerShell execution policy 11->77 79 4 other signatures 11->79 14 powershell.exe 14 7 11->14         started        process6 signatures7 89 Writes to foreign memory regions 14->89 91 Injects a PE file into a foreign processes 14->91 17 CasPol.exe 14->17         started        20 CasPol.exe 14->20         started        22 conhost.exe 14->22         started        process8 signatures9 49 Modifies the context of a thread in another process (thread injection) 17->49 51 Maps a DLL or memory area into another process 17->51 53 Queues an APC in another process (thread injection) 17->53 55 Found direct / indirect Syscall (likely to bypass EDR) 17->55 24 Wco0g53hwoxrP.exe 17->24 injected 57 Unusual module load detection (module proxying) 20->57 59 Switches to a custom stack to bypass stack traces 20->59 process10 signatures11 69 Maps a DLL or memory area into another process 24->69 71 Found direct / indirect Syscall (likely to bypass EDR) 24->71 27 UserAccountControlSettings.exe 13 24->27         started        30 ctfmon.exe 24->30         started        process12 signatures13 81 Tries to steal Mail credentials (via file / registry access) 27->81 83 Tries to harvest and steal browser information (history, passwords, etc) 27->83 85 Modifies the context of a thread in another process (thread injection) 27->85 87 3 other signatures 27->87 32 PuAIvLRkHi.exe 27->32 injected 35 firefox.exe 27->35         started        process14 dnsIp15 37 www.navoplay.com 45.11.57.116, 49730, 49731, 49732 VIRTUALSYSTEMSUA Ukraine 32->37 39 www.friendscout24.de 104.21.18.117, 49724, 80 CLOUDFLARENET-CloudflareIncUS Canada 32->39 41 4 other IPs or domains 32->41
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-JS.Trojan.LausivLoader
Status:
Malicious
First seen:
2026-09-21 23:44:51 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
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.

Comments