MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2. 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 21 File information Comments

SHA256 hash:	fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2
SHA3-384 hash:	52829ea019f8995f1608a68a37c151dcacabe4a2065f4a9f30e8d0cc33217d9e38f5eca8a6c8950e830bc6a1fe48d7ee
SHA1 hash:	43b2520bbb309b2436c6453804fa673f332e038f
MD5 hash:	1fd8385c0047d913a6313eaa15c6a41d
humanhash:	butter-jupiter-emma-cardinal
File name:	fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'225'216 bytes
First seen:	2025-11-06 10:49:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (341 x Formbook, 89 x AgentTesla, 56 x a310Logger)
ssdeep	24576:q5EmXFtKaL4/oFe5T9yyXYfP1ijXdae4MLEVPvCHQxJ8Qp2of:qPVt/LZeJbInQRaeJwQQfZ
Threatray	2'080 similar samples on MalwareBazaar
TLSH	T1A545BF0273D1C062FFAB92734B5AF6115BBC79260123A62F13981D79BE701B1563E7A3
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:

fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2

Verdict:

Malicious activity

Analysis date:

2025-11-06 16:05:54 UTC

Tags:

autoit

Link:

https://app.any.run/tasks/bc826662-56b2-4966-97e1-cfc9037b1b96

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/35904/

Detection(s):

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

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=690c7d46ea0f3e915c2384f5

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

Gathering data

Verdict:

Malicious

Labled as:

Doina.Generic

Link:

https://www.hybrid-analysis.com/sample/fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-17T00:02:00Z UTC

Last seen:

2025-11-06T05:32:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5666c95a-7dab-4058-9259-e70aa9b20271

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2

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/1fd8385c0047d913a6313eaa15c6a41d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2/

Threat name:

Win32.Trojan.Autoitinject

Status:

Malicious

First seen:

2025-10-17 03:22:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 36 (77.78%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7sn7o5qzs5atjxluqjzheffz5dul7t22xroh2yoe4ngunmf24tra._file

Verdict:

malicious

Label(s):

formbook

Formbook

336b45d6525d7f84650bedc820b46047a465bb14c2e6f7829a45be9436b363d6

Formbook

37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879

Formbook

5401b817a34423ed0c9352b9096b597c13b8a15b918b5b891487170b490fbd04

Formbook

5de40cb80d71ff5cabc77ed1ae871532f78c3a74823c92e0a54ed1a8fd062297

Formbook

6b50971b8aa1e2aa213d35f71ad5e21380edb08a6a5fb770228de55f2663ea33

Formbook

6fc5301fd7abfbfabe7f3c0a1c83cb0d3430efcbad699eac2d8e7009f27fe82a

Formbook

7d0a9896f43a544ed63039713dea55e9a6b0217af82b3b3c80478d739c6e09a7

Formbook

c84d6657d1ce078e5286de001b56fbae877af9a4dece6d5c2e27d1055256b56e

Formbook

ee935a34aae49f20a073f4682747ba73ac668b8bdac1457a933915d35827d34d

Formbook

+ 2'070 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/251106-mwt8sszpbz/

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:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2e6efa00-0cfb-4823-90c5-fa9c38827726

Unpacked files

SH256 hash:

fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2

MD5 hash:

1fd8385c0047d913a6313eaa15c6a41d

SHA1 hash:

43b2520bbb309b2436c6453804fa673f332e038f

Link:

https://www.unpac.me/results/3cbe8bdb-a84c-44d9-9fca-a3c48e8e5f08/

SH256 hash:

abd63675aa6c4c7b4ad4ae85a6006efb97b42d6cf9bf40361676439d95bee439

MD5 hash:

053fb51eea2c04956cb6be2524b54d40

SHA1 hash:

42a756d5ae157bbfc4cccdb30c73add252ca7ed0

Link:

https://www.unpac.me/results/3cbe8bdb-a84c-44d9-9fca-a3c48e8e5f08/

SH256 hash:

f2922b0ffc962a371f7c1a131951d7afd2ebf9711ce793dfc95d5f22cc583b94

MD5 hash:

114d02e286c744b67a48f1c0427a33cb

SHA1 hash:

df46e0893b99ddd956c47b763c45ae1dc87c8c9e

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/3cbe8bdb-a84c-44d9-9fca-a3c48e8e5f08/

Parent samples :

ee935a34aae49f20a073f4682747ba73ac668b8bdac1457a933915d35827d34d
d3f7db372b8abbc2d631b14be224e7d6a0ed95ee9d52f35c913d3119d53f59ae
6b50971b8aa1e2aa213d35f71ad5e21380edb08a6a5fb770228de55f2663ea33
5113dc16660926911d51d10ad5016f483d03caa3595545d6b6c56db865d27726
8c74928671224e998fb1330bcaa480b8ba66a39c8e36f595e50c1919b0a44320
c728ea561da1e8393c94d9a1e0906e743ffd904fbd1806d8f170e6be0257f43b
2c242d74fa9b3d4ac4f5915f912d8651db987d33ac5d1fb137f26173c639ea5e
fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2
c326db11b518b8bd6ea35d632efdacfdf9e0b50d59a35aee64b6a4a1a27ffed9
b373c3d75b62cb4c96dcd0ccfd8dca09fd721794e8297dd0550cb81fc09440c4
e4bbc6fec418c72f7d9e97368988dd3203141ac1b6971af74c98dc79e6648865
6abfcb6e64e69138f8fe1f5cc831263fe615467daee1cb30f08e78a37fc738f9
00d7745d7121f76a05392ea2dd1cb6f45aa905409d43e4cd32bc927a059c9219
9e91c690f7fe4706b03e0e18411977f7c2fb16fd91351e279e510d2941da3b77

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fc9bf7761997/report/overview.html

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/fc9bf77619974134dd7482727214b9e8e8bfcf5abc5c7d61c4e34d46b0bae4e2

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:	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:	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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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:	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/

Rule name:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection 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/35904/

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