MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f. 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

Intelligence 9 IOCs YARA 16 File information Comments

SHA256 hash:	5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f
SHA3-384 hash:	bea3f6be1c6223d921540b53f22ed1c483d4eacf15bb956716b7fedb7043594dbf7d87901481a3bd770f744149f61c76
SHA1 hash:	981a370fbe6d03644d6d0e2b25df3f7d944d4538
MD5 hash:	24e954a1dc6f51ad10f10b8210143d73
humanhash:	sweet-mississippi-alpha-leopard
File name:	po.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	737'727 bytes
First seen:	2026-10-14 15:09:36 UTC
Last seen:	2026-10-14 15:10:34 UTC
File type:	rar
MIME type:	application/vnd.rar
ssdeep	12288:JlSc7y0/CXvMcv+bcMYcEBpkX0CYfyVvaRaM6CsfqZ5/oidlkG1lJgxJmHazO:PSc7ha/Mcv7MYc1X++ayCsfqsidlzOo9
TLSH	T1EBF423DDF75EA2A9BEA10BA007704AAE4C3662BCE21E7605F40C2C3934D643753287F5
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	TomU
Tags:	FormBook rar

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	po.js
File size:	3'064'613 bytes
SHA256 hash:	30d7ec130e692f74d9482728f6e15f50a630e5d4b34c12d4b0a8c57cd9a3509a
MD5 hash:	f5fd18fcd97706bbc3567471031886f4
MIME type:	text/plain
Signature	Formbook

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/8e1c272c-1e67-430f-9f35-336008cfec1b/

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac3e6007c65c61807cd33bc

Tags:

shell virus sage

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

agenttesla anti-vm encrypted evasive fingerprint formbook obfuscated powershell repaired

Link:

https://www.filescan.io/uploads/6acf9b690ddf906851a8ea63/reports/6ca2fab5-2bd3-4713-b087-3cb0fbcce1a3/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f

Verdict:

Malicious

File Type:

rar

First seen:

2026-08-26T19:47:00Z UTC

Last seen:

2026-10-07T03:19:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f/results?tab=lookup

Verdict:

inconclusive

YARA:

2 match(es)

Tags:

Rar Archive

Link:

https://app.malva.re/file/24e954a1dc6f51ad10f10b8210143d73

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f/

Threat name:

Script-JS.Backdoor.FormBook

Status:

Malicious

First seen:

2026-08-27 02:06:47 UTC

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lubguxkvow5siw3cmeqfeym2lrun2z7lesbc3nru3ah7ru74imhq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan

Link:

https://tria.ge/reports/261014-s3x6xsxtht/

Behaviour

Kills process with taskkill

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Reads the TCP/IP host and domain name from the registry

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Checks computer location settings

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Family: Formbook

Formbook payload

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/5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f

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:	Base64_Encoded_Powershell_Directives Create hunting rule

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:	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:	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.

Malspam

Formbook

rar 5d026a5d5575bb245b62612052619a5c68dd67eb24822db634d80ff8d3fc430f

(this sample)

Delivery method

Distributed via e-mail attachment

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