MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c. 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 17 File information Comments

SHA256 hash:	65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c
SHA3-384 hash:	0d7caf130103fcd68bfb1c433625da8dcdaea9ee7da51eff10249dd223a531b122486d074c2cbc2d28e01dca1e639c2d
SHA1 hash:	db2096161636fd084215163b017077952b7ae7f3
MD5 hash:	e71990f8884751337c5a682da3268957
humanhash:	winter-potato-equal-quiet
File name:	hip9k0.ps1
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'454'802 bytes
First seen:	2025-10-16 06:11:17 UTC
Last seen:	Never
File type:	ps1
MIME type:	text/plain
ssdeep	24576:Dz7Hk3//KMpFlqOnhEKt5hH1/2ncq9aKGitHZ3eZBHrmoziWK2CNK0eC:DzDqRqOhEpnztt5Zf7
Threatray	2'139 similar samples on MalwareBazaar
TLSH	T1446533416FA47E6E05A8A23471BEBD1FB6B058688864D2D723E2D0D71635F80172F9BC
Magika	powershell
Reporter	JAMESWT_WT
Tags:	FormBook iy1e0o ps1

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.PowerShell.Obfus-10.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68f08ca097a16d00a8da726e

Tags:

ransomware spawn

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

aspnet_compiler base64 evasive krypt lolbin obfuscated powershell reconnaissance remcos

Link:

https://www.filescan.io/uploads/68f08c9b64833d0cfabe41f3/reports/ec70618b-e68e-4100-b705-46ff019531ce/overview

Verdict:

Malicious

Labled as:

PowerShell/Agent.DIA trojan

Link:

https://www.hybrid-analysis.com/sample/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c

Verdict:

Malicious

File Type:

ps1

First seen:

2025-10-16T02:01:00Z UTC

Last seen:

2025-10-16T03:41:00Z UTC

Hits:

~10

Detections:

Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic

Link:

https://opentip.kaspersky.com/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c/results?tab=lookup

Score:

98%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c

Verdict:

inconclusive

YARA:

1 match(es)

Tags:

Base64 Block Contains Base64 Block PowerShell

Link:

https://app.malva.re/file/e71990f8884751337c5a682da3268957

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c

Threat name:

Script-PowerShell.Backdoor.Remcos

Status:

Malicious

First seen:

2025-10-16 06:12:21 UTC

File Type:

Text (PowerShell)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mwuuedvqx5htorylj2etffln6nu443lvqgnkysfh42oowmepciwa._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook adware discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/251016-gxw6wshv2b/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: PowerShell

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Badlisted process makes network request

Formbook payload

Formbook

Formbook family

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/65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c

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:	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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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.

Web download

Formbook

ps1 65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3679231/

Delivery method

Distributed via web download

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