MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6. 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: 15

Intelligence 15 IOCs YARA 21 File information Comments

SHA256 hash:	bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6
SHA3-384 hash:	151ac9f42aadf8f5ff4885ed4be3a4ad846cfb16ad4c6d33dce5a109bda32f8ae590a5c0a2ddfaadbcb8815323b058be
SHA1 hash:	643b3563d3145c38db70fdbbcc348e763ce23873
MD5 hash:	4fc0bc0b2757953a1ca56581448e8960
humanhash:	mike-green-victor-lithium
File name:	bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'239'040 bytes
First seen:	2026-10-19 08:04:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'295 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep	24576:nL+qj0qdPBlLeJEL6zlK6fIeBad/rz5yPrzJxDeHwBzxomlES0/hrH:nTPlLeCuA6weAfyPrzDfzxlES0J
TLSH	T1DF4502646B26E802C654533645F2E2B403795EDAE812D357AFE87EDB7E3AF120D80353
TrID	73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
dhash icon	0000000000000000 (909 x AgentTesla, 577 x Formbook, 319 x RedLineStealer)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

177

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

NETReactor RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/cb92d835-bd03-44b4-87fd-19ca214b4552/

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-10-19 11:48:01 UTC

Tags:

netreactor

Link:

https://app.any.run/tasks/e167676a-aa62-4575-b331-6c7349d250a1

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/92800/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3643.8721.27946.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad5eb23afb06e650cd7d825

Tags:

virus msil cupi

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Gathering data

Verdict:

Malicious

Labled as:

FormBook.Generic

Link:

https://www.hybrid-analysis.com/sample/bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-09-08T01:13:00Z UTC

Last seen:

2026-10-20T03:28:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7c98fba4-2fa0-4799-b3af-70fda4a7094d

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6

Verdict:

Malware

YARA:

12 match(es)

Tags:

.Net .Net Obfuscator .Net Reactor Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.60 Win 32 Exe x86

Link:

https://app.malva.re/file/4fc0bc0b2757953a1ca56581448e8960

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2026-09-08 04:35:14 UTC

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Verdict:

malicious

Label(s):

Formbook

XWorm

Link:

https://reports.threatray.com/6aa1751d-808e-4649-ba71-c009feeb32c1

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/261019-jyg5gazz8q/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Family: Formbook

Formbook payload

Unpacked files

SH256 hash:

bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6

MD5 hash:

4fc0bc0b2757953a1ca56581448e8960

SHA1 hash:

643b3563d3145c38db70fdbbcc348e763ce23873

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/a3fe7ecd-f267-437c-bd2f-0f48fc25ba43/

SH256 hash:

60bdee938635f42ec81f396de80e99f7bbbe69d6af4d60c265adaab3d1c90ced

MD5 hash:

10d9fec87e9983c03f69470c3c3ff200

SHA1 hash:

0554c8193d28e7bb05fe077a44f53138bdc21fb9

Link:

https://www.unpac.me/results/a3fe7ecd-f267-437c-bd2f-0f48fc25ba43/

SH256 hash:

181b52beb327e14639987b83ccbd9c9cb84146a99765b505964394241e6433ab

MD5 hash:

8b2ae6b31488bec6d91e72e22e8caf5c

SHA1 hash:

ee92aebb9ef17e9bf294b74adb7fca53d0c2d862

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/a3fe7ecd-f267-437c-bd2f-0f48fc25ba43/

SH256 hash:

fe1657d888e3ffce65244c67e4b5f45487a3c106add2a7c6c03643f41830c77c

MD5 hash:

7c5d2581f2ccf6dceb70c3e5553a0921

SHA1 hash:

12729b8e7ed338a3ee1750e010c788069593f2a7

Link:

https://www.unpac.me/results/a3fe7ecd-f267-437c-bd2f-0f48fc25ba43/

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

Threat name:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/bee83b3e9e49afa1d4a87a7ddf0f18e526f8d1aa4e8ee56da28c60e9adaa2df6

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:	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__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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash 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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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:	WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Derialock (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects XWorm (pe, etat extrait)

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/92800/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample