MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7. 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: 14

Intelligence 14 IOCs YARA 27 File information Comments

SHA256 hash:	1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7
SHA3-384 hash:	9491fc048865862409e59e97b8d3078fdfae00d903950645406bbc3fb3b0febdbea810c9dcc027d2b009daa3b90f827f
SHA1 hash:	3080bbd56532054d9e679de2025d817c6a487138
MD5 hash:	6e99e8c9c5fdcaf557327908c9dcbc81
humanhash:	rugby-winter-delta-victor
File name:	deme emri-29058314.VBE
Download:	download sample
Signature	Formbook Create hunting rule
File size:	2'055'640 bytes
First seen:	2026-11-04 15:54:50 UTC
Last seen:	Never
File type:	vbe
MIME type:	text/plain
ssdeep	24576:X+Uo7BiZYznlvVUTqtm9gXa4LSK9uwqoPYHMnmYhFXWmCZ3JeSwt4Kr3IgyzYx9W:2iqznTcGYcjev5wJ2yk
TLSH	T1AE95F20085952FE4CF7CAA1C40FA2609A7B01F8F4916A549E7A3BC4FFFB764A11172D9
Magika	vba
Reporter	abuse_ch
Tags:	FormBook geo TUR vbe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6aeb55750d28426eb2fe70c8

Tags:

vmdetect proxy rapid zbot

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Creating a process from a recently created file

Creating a process with a hidden window

Launching a process

Creating synchronization primitives

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

aes aspnet_compiler base64 base64 crypto encrypted evasive evasive lolbin obfuscated obfuscated powershell reconnaissance

Link:

https://www.filescan.io/uploads/6aeb55846a134f660043be80/reports/18f9d5b6-91bc-4769-88be-da7ab5156653/overview

Verdict:

Malicious

Labled as:

GT:VB.Zbot.9

Link:

https://www.hybrid-analysis.com/sample/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7

Verdict:

Malicious

File Type:

vbs

First seen:

2026-11-04T06:50:00Z UTC

Last seen:

2026-11-05T04:35:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7/results?tab=lookup

Result

Threat name:

FormBook, PSLoader

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1998353

Signature

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

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

Queues an APC in another process (thread injection)

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain 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 FormBook

Yara detected Powershell decode and execute

Yara detected PSLoader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7

Verdict:

Malware

YARA:

2 match(es)

Tags:

Base64 Block Contains Base64 Block DeObfuscated PowerShell T1027 T1059.001

Link:

https://app.malva.re/file/6e99e8c9c5fdcaf557327908c9dcbc81

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2026-11-04 15:55:27 UTC

File Type:

Text (VBS)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dldrof4jsuze4bsvsdnvytv6io5y37hhkk3z6zps4lrhakwamltq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

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

Link:

https://tria.ge/reports/261104-tcwe3ssybs/

Behaviour

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: PowerShell

Enumerates physical storage devices

Event Triggered Execution: Accessibility Features

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

System Location Discovery: System Language Discovery

Executes a VBScript file via the Windows Script Host.

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Checks computer location settings

Badlisted process makes network request

Family: Formbook

Formbook payload

Malware Family:

zbot

Malicious:

True

Tags:

run-dll create-file write-file run-file exe-pattern anti-analysis obfuscated powershell vba

Link:

https://intel.virussign.com/intelligence/file/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/1ac717178995324e065590db5c4ebe43bb8dfce752b79f65f2e2e2702ac062e7

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:	data_manipulation Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects data manipulation routines including XOR encoding, Base64 references, and RC4 PRGA encryption

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_tiny_vbs Create hunting rule
Author:	daniyyell
Description:	Detects tiny VBS delivery technique

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

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

Rule name:	WIN_Malware_SalatStealer_ForgeAuto_542e717b Create hunting rule
Author:	Marjoriefort
Description:	Detects SalatStealer (pe, etat binaire)

Rule name:	WIN_Malware_Sliver_ForgeAuto_2ddb463c Create hunting rule
Author:	Marjoriefort
Description:	Detects Sliver (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_2ffc3572 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_5001c94c Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_ce8c5b46 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_ValleyRAT_ForgeAuto_401c5e16 Create hunting rule
Author:	Marjoriefort
Description:	Detects ValleyRAT (pe, etat binaire)

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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