MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7. 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: 18

Intelligence 18 IOCs YARA 25 File information Comments

SHA256 hash:	87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7
SHA3-384 hash:	b12f090e588164512545057f264b6b03a658ea34768e9b9b14621456003607107db5dccf1c19bdf5d2d0a62d90183c06
SHA1 hash:	7945e6f82e0cd66a827e8f83ae9d589609afce7f
MD5 hash:	579f726012e6cbcc356adc9e206bf46c
humanhash:	four-black-shade-tango
File name:	87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'246'720 bytes
First seen:	2025-10-09 14:13:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (338 x Formbook, 82 x AgentTesla, 54 x a310Logger)
ssdeep	24576:n5EmXFtKaL4/oFe5T9yyXYfP1ijXdazCyi3YY6Bu756NwHDn2MKYx:nPVt/LZeJbInQRazuYY6wl6Ns2
Threatray	1'949 similar samples on MalwareBazaar
TLSH	T15045BF0273D1C066FFAB92334F5AF6115ABC79260123A62F13981D79BE705B1463E7A3
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DOCUMENTS FOR BOL#58377 - Shipped.msg

Verdict:

Malicious activity

Analysis date:

2025-09-18 15:06:25 UTC

Tags:

attachments attc-arch arch-exec

Link:

https://app.any.run/tasks/af3e3f69-791f-4d6e-afcb-ed3eeedb2eb9

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/31400/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68e7c360277c2bd8bc5e5f47

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm anti-vm autoit cmd cmdkey compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc packed wmic

Link:

https://www.filescan.io/uploads/68e7c824d4a0085473c58f4a/reports/ad55dc39-fe38-4061-812b-dc2786b1dfba/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-18T02:23:00Z UTC

Last seen:

2025-10-10T06:29:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0bda6749-a87f-4353-ae81-30ccaf4b6a49

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1780151

Signature

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

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)

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/87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7

Verdict:

Malware

YARA:

7 match(es)

Tags:

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

Link:

https://app.malva.re/file/579f726012e6cbcc356adc9e206bf46c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-09-18 05:29:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 36 (80.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=q7vkmtmkhrdtxzzahbitdkrea6gjdncuavgrozvztks6bmxkictq._file

Verdict:

malicious

Label(s):

formbook

Formbook

19478a15efa45981ccec619c3ebe95f31d3428e42f852d0165c801bad61ed239

Formbook

28fba79b770f7e72c3fcc66aa03497addc3f776f98c80ab1a0d67e90f5d57db0

Formbook

2acbdf309c44e9f358b7779eba49122eb5d4f7144148a17ebb9a32a5284850b6

Formbook

344a1d112d40622af871c3a370b4706dade1e3d164ea551d3b0e7a8e223d120a

Formbook

5942293d4ed06c7427d43524f4226be05ead22d7cb55ec2373fcb482fab62c4b

Formbook

8f064ec48a75504a979ef910d5a67f31c25acd4a6b86be0ca0598268f4ca6843

Formbook

ccdf673390e032a11978be52ef503088dde4018bcf938522f848fee747715153

Formbook

error

Formbook

+ 1'939 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/251009-rxn6dszlv5/

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

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a3106ac3-84b3-4ad7-81a7-7e60179db993

Unpacked files

SH256 hash:

87eaa64d8a3c473be720385131aa24078c91b454054d1766b99aa5e0b2ea40a7

MD5 hash:

579f726012e6cbcc356adc9e206bf46c

SHA1 hash:

7945e6f82e0cd66a827e8f83ae9d589609afce7f

Link:

https://www.unpac.me/results/be3d53fe-8d85-4bfc-bf5d-739032315619/

SH256 hash:

cd071fff777d8e3ad7f9c0ec103716d0893e07ed6a52b55de03c0b0ef0d95f61

MD5 hash:

5115a17567e560dd843c06ab0cbfe7b8

SHA1 hash:

6e1e5887c47e35533f9d2c70335943d5dca53b01

Link:

https://www.unpac.me/results/be3d53fe-8d85-4bfc-bf5d-739032315619/

SH256 hash:

71352303ab0b834caf8a4fc1a27404f442fa6e61a415b7c4385854c8a8ca26df

MD5 hash:

b1e864672708127dfd31730f8006f7e6

SHA1 hash:

71ebf08418c0a9e8b7790f8ce3a40281ef050da2

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/be3d53fe-8d85-4bfc-bf5d-739032315619/

Parent samples :
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Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/87eaa64d8a3c/report/overview.html

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

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_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	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_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:	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_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt 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.

Cape

https://www.capesandbox.com/analysis/31400/

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