MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78. 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

SHA256 hash:	2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78
SHA3-384 hash:	4e47cd4fcd55d656e96d164275673789ad917957c164db2898c72e1367b769f235d8198b45ad3bb0613af72d6f8e8d66
SHA1 hash:	b3d62c54e0efbd1bea41a98ba6f16aececed5dbb
MD5 hash:	80dce0873e83eac3e56de4721fd30b24
humanhash:	chicken-comet-crazy-lithium
File name:	Doc001886_1308002341 Pdf.JS
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	3'641'393 bytes
First seen:	2026-09-04 12:32:46 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:7e5w6p+4QQyyJBZ3OMGBbIcD1VxYNK6SkOzMK/Lw:vk+1Y3Mxh6K6BOlzw
TLSH	T19AF52A863B4DE28254F8EF15CB2929D7EE10E55BF512998E353C2BCB9F64E08B734244
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

159

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

ClamAV Detected

Detection(s):

SecuriteInfo.com.Other.Malware-gen.97183255.UNOFFICIAL

Alert

Create hunting rule

CyberFortress Malicious

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac88a7291bf70e908953a04

Tags:

autorun emotet

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-debug dropper evasive obfuscated obfuscated packed repaired

Link:

https://www.filescan.io/uploads/6a9aba9754fa95ca6b1a30fe/reports/181f6598-ed42-40ae-a074-a6f8311a0273/overview

Hybrid Analysis GT:JS.Trojan.Agent.38284

Verdict:

Malicious

Labled as:

GT:JS.Trojan.Agent.38284

Link:

https://www.hybrid-analysis.com/sample/2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-09-04T03:35:00Z UTC

Last seen:

2026-09-06T10:38:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78/results?tab=lookup

Joe Sandbox FormBook

Result

Threat name:

FormBook

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1968584

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: Invoke-Obfuscation CLIP+ Launcher

Sigma detected: Invoke-Obfuscation VAR+ Launcher

Sigma detected: Suspicious Command Patterns In Scheduled Task Creation

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 schtasks.exe or at.exe to add and modify task schedules

Uses whoami command line tool to query computer and username

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78/

ReversingLabs TitaniumCloud Script-JS.Trojan.Generic

Threat name:

Script-JS.Trojan.Generic

Alert

Create hunting rule

Status:

Suspicious

First seen:

2026-09-04 12:33:36 UTC

File Type:

Binary

AV detection:

10 of 23 (43.48%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=er36yjzpe2hdssrwhozgn2vw4tv3s3rff5bduyz4tu6su2irzv4a._file

Threatray Formbook

Verdict:

malicious

Label(s):

Formbook

Alert

Create hunting rule

Link:

https://reports.threatray.com/8457931b-f3e7-40b2-9b5e-2e9b0ad51a1c

Hatching Triage formbook

Result

Malware family:

formbook

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook discovery execution persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/260904-pre97axtft/

Behaviour

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Executes a command shell one-liner

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Executes dropped EXE

Family: Formbook

Formbook payload

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Formbook

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/2477ec272f268e394a363bb266eab6e4ebb96e252f423a633c9d3d2a6911cd78