MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58. 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: 21

Intelligence 21 IOCs YARA 13 File information Comments

SHA256 hash:	cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58
SHA3-384 hash:	25c19c8afee6c8eac28774ac8881f233eb54134b68a4cd1d11a56c1d69e89ecbde40d5681281a6a0b615851f8178503b
SHA1 hash:	c84b1d8d9c15e375fa9c2005b03ee16ab0f3bded
MD5 hash:	2b90eb1793b2c4423b4aa120510cc3e5
humanhash:	leopard-twelve-oscar-delta
File name:	FYI.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'237'504 bytes
First seen:	2025-11-03 10:28:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c1ce208b1192bfcf652c179f34f034d3 (17 x Formbook, 5 x AgentTesla, 3 x a310Logger)
ssdeep	24576:S5EmXFtKaL4/oFe5T9yyXYfP1MAXDzQmE9JEyEfHujFw7e:SPVt/LZeJbInGizQ5FMC
Threatray	1'983 similar samples on MalwareBazaar
TLSH	T1F145BF027391D062FFAB91334F5AF6115BBC7A260123A62F13981D7ABD701B1563E7A3
TrID	50.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 19.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.5% (.EXE) Win32 Executable (generic) (4504/4/1) 3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	abuse_ch
Tags:	exe FormBook upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 e5a80ce04f2119cef25fc5aafaa36c0ec6319724dcc4676c90aa04eddeeafb73

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	730'624 bytes
File size (de-compressed) :	1'237'504 bytes
Format:	win32/pe
Packed file:	e5a80ce04f2119cef25fc5aafaa36c0ec6319724dcc4676c90aa04eddeeafb73

Intelligence

File Origin

# of uploads :

# of downloads :

104

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

FYI.exe

Verdict:

Malicious activity

Analysis date:

2025-11-03 10:40:12 UTC

Tags:

autoit

Link:

https://app.any.run/tasks/d0c118df-6200-4894-bc64-7049cf451be4

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/35102/

Detection(s):

SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL

PUA.Win.Packer.AcprotectUltraprotect-1

PUA.Win.Packer.Embedpe-3

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=690883d59942f1282ecba57a

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

DNS request

Connection attempt

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/69088495de25fddba062a218/reports/bc58f145-08e4-45ac-beba-25d58dd43b29/overview

Verdict:

Malicious

Labled as:

Lazy.Generic

Link:

https://www.hybrid-analysis.com/sample/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-03T09:22:00Z UTC

Last seen:

2025-11-03T16:01:00Z UTC

Hits:

~100

Detections:

Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Strab.zgn Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb

Link:

https://opentip.kaspersky.com/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/38c1e8e5-6ebd-4e50-bb5a-42112d0f45e3

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1806829

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

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)

Suricata IDS alerts for network traffic

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)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/2b90eb1793b2c4423b4aa120510cc3e5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-11-03 10:32:24 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z55tij65psz42qpnv62at55nazexgxtjgeo3opwbkrwhwjntpzma._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/251103-mkfahafw8f/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3f774187-00e1-4817-8595-23da5d228257

Unpacked files

SH256 hash:

cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

MD5 hash:

2b90eb1793b2c4423b4aa120510cc3e5

SHA1 hash:

c84b1d8d9c15e375fa9c2005b03ee16ab0f3bded

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/0bbac139-be12-4116-a52f-d162928a6228/

Parent samples :

e5a80ce04f2119cef25fc5aafaa36c0ec6319724dcc4676c90aa04eddeeafb73
cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

SH256 hash:

6d22e71b6d3c76857a7fc7941b1facff35b76295e2f9678b2df24ffda738abbe

MD5 hash:

280bada417847aeb9385a0e7e198d5a0

SHA1 hash:

689a8845e1f64394e745c2b52e3e0e088c524ce1

Link:

https://www.unpac.me/results/0bbac139-be12-4116-a52f-d162928a6228/

SH256 hash:

641cc1c21aaa03a2ca94f57b514c98a5ebd6374fdd1646d87273011942766744

MD5 hash:

6d71fb8b7569cc7374cd014da7c28690

SHA1 hash:

08ee46bc4191f8855ed7ac215414151e77dcfad3

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/0bbac139-be12-4116-a52f-d162928a6228/

Parent samples :

e5a80ce04f2119cef25fc5aafaa36c0ec6319724dcc4676c90aa04eddeeafb73
cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58
6e4867e381ff15f43c6ee783765cfda338d224b5b2fb8388ade6f9b54819bae7
313386d99a89a5f9ab94206e9b951a2f8ed5d968a6b5d821c927ee5f3f83585f
971420c75858816fd7d63e31fd1caa66d69bc64a4d7b9c7b3d14cae787909b67

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/cf7b3427dd7c/report/overview.html

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

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/cf7b3427dd7cb3cd41edafb409f7ad0649735e69311db73ec1546c7b25b37e58

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_detect_tls_callbacks Create hunting rule

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:	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_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt rule - 2025
Reference:	https://cyfare.net/