MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553. 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: 12

Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash:	1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553
SHA3-384 hash:	b345b20ce675f18cd1f615eceaf6bf8075fd18341f906e2e298658fc8a826289094e6b6008d4fbc899a9c14d9cfc129d
SHA1 hash:	3f009f9ed2d8ba5b25f69b8880ae7f5dcb71cd75
MD5 hash:	bd83a5ea8bf29253f3dd3823d3c844bb
humanhash:	apart-berlin-minnesota-alabama
File name:	HSBC PAYMENT RECEIPT MT103.JS
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'521'999 bytes
First seen:	2026-08-28 13:44:12 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	24576:czC2tS7QPLciJ/vfWw7wxclU7rNTYBB8x8cvi:IC2tcUbfd7wH7rNTYBB8x8cvi
TLSH	T12865380B0B3C23779FAA13711829C50913E84AC5D8B69F1C6A6DC4B46D78F1F6AA45FC
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook HSBC js

Intelligence

File Origin

# of uploads :

# of downloads :

163

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac404decd73065edfcd6b5f

Tags:

obfuscated infosteal dropper virus

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade obfuscated powershell repaired

Link:

https://www.filescan.io/uploads/6a9190b5c7394d7a103530bf/reports/69e404ca-5f72-4211-a337-0c6660acc6e6/overview

Verdict:

Malicious

Labled as:

JS/Obfuscated.CN trojan

Link:

https://www.hybrid-analysis.com/sample/1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553

Verdict:

Malicious

File Type:

First seen:

2026-08-27T21:34:00Z UTC

Last seen:

2026-08-30T09:05:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553/results?tab=lookup

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1965271

Signature

Antivirus detection for dropped file

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

Found direct / indirect Syscall (likely to bypass EDR)

Injects a PE file into a foreign processes

JavaScript file contains suspicious strings

JavaScript source code contains functionality to generate code involving a shell, file or stream

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

Queues an APC in another process (thread injection)

Sigma detected: Dot net compiler compiles file from suspicious location

Sigma detected: WScript or CScript Dropper

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 reads language and country specific registry keys (likely country aware script)

Wscript starts Powershell (via cmd or directly)

Yara detected AntiVM3

Yara detected FormBook

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Score:

88%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553

Verdict:

Malware

YARA:

2 match(es)

Tags:

DeObfuscated PowerShell Powershell: Hidden Execution T1027 T1059.001

Link:

https://app.malva.re/file/bd83a5ea8bf29253f3dd3823d3c844bb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2026-08-28 04:50:34 UTC

File Type:

Text (JavaScript)

AV detection:

7 of 24 (29.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dlsmvi6xoltnetkkbhfhvhuvuf2dop4v3hy7ppotlbmy4qalivjq._file

Verdict:

malicious

Label(s):

Formbook

Link:

https://reports.threatray.com/f33b745e-8bea-467d-92bb-b6fead18b54f

Result

Malware family:

n/a

Score:

8/10

Tags:

defense_evasion discovery execution

Link:

https://tria.ge/reports/260828-q1z7dsydjd/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Hide Artifacts: Ignore Process Interrupts

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1ae4caa3d772e6d24d4a09ca7a9e95a174373f95d9f1f7bdd358598e400b4553

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__GlobalFlags Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	PowerShell_Susp_Parameter_Combo_RID336F Create hunting rule
Author:	Florian Roth
Description:	Detects PowerShell invocation with suspicious parameters
Reference:	https://goo.gl/uAic1X

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

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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