MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b. 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: 19

Intelligence 19 IOCs YARA 19 File information Comments

SHA256 hash:	fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b
SHA3-384 hash:	201020c190a3bc7b1ed1e7aa90f5287ab26a595b0376872b27e91d87affab2455dbf03bbf540f231871e4d6d86f62ee7
SHA1 hash:	86a000b936ae9537ad49ba9a2e7d2ff01a4d9a56
MD5 hash:	8e65ec0e1d6ae23423fd8095fd9c09f4
humanhash:	undress-river-lima-monkey
File name:	RFQ 6000187979 from 3060.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'243'136 bytes
First seen:	2025-10-06 05:05:29 UTC
Last seen:	2025-10-06 13:32:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (301 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger)
ssdeep	24576:M5EmXFtKaL4/oFe5T9yyXYfP1ijXdaO1oNG+UO1ihE2huwd:MPVt/LZeJbInQRaO1oNoOaE2U
Threatray	1'740 similar samples on MalwareBazaar
TLSH	T1EC45CF0273D1C062FFAB92734B5AF6115BBC79260123A62F13981D79BE701B1563E7A3
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

125

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

RFQ 6000187979 from 3060.exe

Verdict:

No threats detected

Analysis date:

2025-10-06 05:07:21 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/644a26a4-d560-4adb-9e3e-b6570d440e1a

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/30691/

Detection(s):

no reply from clamd

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68e34e3191bc581176cc3f58

Tags:

n/a

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 autoit compiled-script evasive fingerprint fingerprint formbook keylogger microsoft_visual_cc packed phishing unsafe

Link:

https://www.filescan.io/uploads/68e34e3c5a3bccf09eb925bb/reports/db3c5826-7c01-4523-a235-d0b59e1fe970/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-05T21:54:00Z UTC

Last seen:

2025-10-08T03:24:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/31696099-22bd-4fff-8d8f-6137f9007648

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1789495

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

Performs DNS queries to domains with low reputation

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/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b

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/8e65ec0e1d6ae23423fd8095fd9c09f4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-10-06 00:59:47 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=7mldgdehdazzqh3tvwrsanjy6zkjuyv6q4kqv452abjwakomyy5q._file

Verdict:

malicious

Label(s):

formbook

Formbook

3646eadbf8a4b451c80fc5e3d74a4fbdcb8d2633933cdf3ba038533e56c98e9d

Formbook

611800d260a261ca41759e9c79312cdabe2529bc8fe362f296b348c5fa1a5c09

Formbook

6fc5301fd7abfbfabe7f3c0a1c83cb0d3430efcbad699eac2d8e7009f27fe82a

Formbook

7fb51ecddea989bbc4c71fb744b95e9045e64c7a534d661d972c048a40050bb7

Formbook

b486ec0314eabf1bd79a42201829893561d949978e264bcaec545ba7f1b25f10

Formbook

error

Formbook

f4a2ff30755f15ff9c9e1ea5fdabd00f3c2755bb9d28829390833b07fc1cdce1

Formbook

+ 1'730 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/251006-frd8fszqz4/

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/a254c6ce-6bfd-46ae-b1f9-b2488692e08d

Unpacked files

SH256 hash:

fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b

MD5 hash:

8e65ec0e1d6ae23423fd8095fd9c09f4

SHA1 hash:

86a000b936ae9537ad49ba9a2e7d2ff01a4d9a56

Link:

https://www.unpac.me/results/10b42d8e-e3ba-4dfa-ab89-5c6821552bde/

SH256 hash:

990ade3a050d66f06dce2c2734683b9822bcaf833e4114a36da127b583c58399

MD5 hash:

0aeed7bc963104413564b26cd9def441

SHA1 hash:

f4735ee9e35ec01f95ebc21c6734aa3aa47c2081

Link:

https://www.unpac.me/results/10b42d8e-e3ba-4dfa-ab89-5c6821552bde/

SH256 hash:

f8050e9f349b16e3cb500c8496012bc3238d47f424d865982b0ddbc2283b9d2f

MD5 hash:

8528cb2303f7db58e1d21d3e718e4c47

SHA1 hash:

db59121892aaa3cdf78b0e4aaa0e5168206e79af

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/10b42d8e-e3ba-4dfa-ab89-5c6821552bde/

Parent samples :

611800d260a261ca41759e9c79312cdabe2529bc8fe362f296b348c5fa1a5c09
07ff93264959e611dc2833c5b5d7625c1f18d0d943792a5019a319d48c260c17
f4a2ff30755f15ff9c9e1ea5fdabd00f3c2755bb9d28829390833b07fc1cdce1
fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b
aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
24fd7371516924607ad227e0b5e45cb201e96f1130e8fc683cd8be998e9793df

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fb16330c8718/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/fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b

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/