MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39. 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: 11

Intelligence 11 IOCs YARA 18 File information Comments

SHA256 hash:	edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39
SHA3-384 hash:	042611f9909b68c8197d450773f8dc4c75a2a4ad4a4077aeeb7c27066dd96adbedb03287ed77ace2d24edce130006175
SHA1 hash:	eacb62f747ce2e59c46eba8825884c607da94bb0
MD5 hash:	106e64a18ca2978bd15c38eeed938a6e
humanhash:	east-delaware-connecticut-pluto
File name:	ps_Fb6zwsOySql6_1774850076601.ps1
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'485'011 bytes
First seen:	2026-03-30 06:00:56 UTC
Last seen:	Never
File type:	ps1
MIME type:	text/plain
ssdeep	24576:tkxNqygu+c86zdPo9LrZWopL+pUmh9NEuv901NNqn6ApAwSz5jhs3pqHm:ixN6lrTpKGmGNNnwppqG
TLSH	T1036523609B56FEAF96AC4721A17BFE3C17A20F5AC80404C6F4DC11E35BA574AC83BD16
Magika	powershell
Reporter	JAMESWT_WT
Tags:	FormBook ps1 www-vextgeas-com

Intelligence

File Origin

# of uploads :

# of downloads :

126

Origin country :

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.Other.Malware-gen.22469833.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69ca11b16363ca5d27efb991

Tags:

vmdetect phishing lien

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

aes anti-vm aspnet_compiler base64 base64 crypto encrypted evasive lolbin obfuscated obfuscated powershell reconnaissance

Link:

https://www.filescan.io/uploads/69ca11aee2df9aa488bd79c7/reports/04fc249d-b183-4f31-9f34-bf2e0dd7bd91/overview

Verdict:

Suspicious

Labled as:

PowerShell/Kryptik.MC trojan

Link:

https://www.hybrid-analysis.com/sample/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39

Verdict:

Malicious

File Type:

ps1

First seen:

2026-03-29T21:37:00Z UTC

Last seen:

2026-03-30T03:06:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39/results?tab=lookup

Score:

38%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39

Verdict:

inconclusive

YARA:

2 match(es)

Tags:

Base64 Block CAB:COMPRESSION:LZX Contains Base64 Block PowerShell

Link:

https://app.malva.re/file/106e64a18ca2978bd15c38eeed938a6e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5x2duujlxvgjbtsfum4rqgwt6epyx4eriifetwerhlbg3bdwpy4q._file

Verdict:

malicious

Label(s):

fantomcrypt

Similar samples:

error

Formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook adware discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/260330-gq169se17s/

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

Formbook family

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/edf43a512bbd4c90ce45a339181ad3f11f8bf091420a49d8913ac26d84767e39

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/

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

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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