MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977. 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

Vidar

Vendor detections: 11

Intelligence 11 IOCs YARA 23 File information Comments

SHA256 hash:	40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977
SHA3-384 hash:	a1a8c5d51137ae484407903a46029949ef5c4d912dd7d24d6038969ff4bcf3b5614a1ca86d7a67a6bbd5dd2737ca84f3
SHA1 hash:	a7b0d89d2f4f846e38ce3c4ea904d16113fda9ea
MD5 hash:	b135d924f409aeb7be55feacd68e946f
humanhash:	bulldog-king-bakerloo-glucose
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	7'019'440 bytes
First seen:	2026-09-01 21:20:16 UTC
Last seen:	2026-09-01 21:56:00 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (1'382 x Vidar, 331 x RemusStealer, 134 x Stealc)
ssdeep	98304:JjxkpalhmhcBwROSWaUVJTOdTEo3qYScS4y:JtmalhccBwRNUnToQky
TLSH	T1A1667C0B3E8081A5E49ED63995B75252AB34BC4C9F7633D72D50B2301F763E42BB9B48
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	Bitsight
Tags:	9d2ca3 dropped-by-amadey exe signed vidar

Code Signing Certificate

Organisation:	Iron Systems Holdings
Issuer:	Iron Systems Holdings
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-08-25T21:06:14Z
Valid to:	2027-09-01T21:06:14Z
Serial number:	78ce3b58bc642c78704fc80efd03dfdd
Thumbprint Algorithm:	SHA256
Thumbprint:	bceb0c5eaab6591eed983a5afab39135db580dea37a209368c6e03e2c43ad462
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Bitsight

url: http://91.92.242.236/files-129312398/files/file_c6efa638173b6442.exe

Intelligence

File Origin

# of uploads :

# of downloads :

231

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-09-01 21:29:17 UTC

Tags:

Link:

https://app.any.run/tasks/c5d6f983-22f7-4062-bbe5-490a8d32a98d

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/83604/

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.87592324.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm crypto golang invalid-signature self-signed-cert signed

Link:

https://www.filescan.io/uploads/6a97419546fec3930c3e4fc3/reports/655f641a-0ae9-494e-a29d-749f1fcca44d/overview

Verdict:

Suspicious

Labled as:

W64/WinGo.I.gen

Link:

https://www.hybrid-analysis.com/sample/40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-01T19:35:00Z UTC

Last seen:

2026-09-02T18:00:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/9a70e18a-7f42-4a7e-ae46-10151f11e272

Score:

59%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977

Verdict:

Vidar

YARA:

5 match(es)

Tags:

Executable Go Loader (Factory-v3) PE (Portable Executable) PE File Layout T1027 T1055 Vidar Win 64 Exe x64

Link:

https://app.malva.re/file/b135d924f409aeb7be55feacd68e946f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977/

Threat name:

Win64.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-09-01 21:21:22 UTC

File Type:

PE+ (Exe)

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ic3egrudk3ap25iysnshvug4tyvaagkcpzhv6drpnzkz57hmxf3q._file

Verdict:

malicious

Label(s):

Vidar

Link:

https://reports.threatray.com/b67f6ffb-7b2d-4b06-b255-a63f025a5127

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:c9e9a8ce47eb529601c1bb8d8883edb4 defense_evasion stealer

Link:

https://tria.ge/reports/260901-z6x4nabl8y/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Checks for VirtualBox DLLs, possible anti-VM trick

Checks system information in the registry

Checks BIOS information in registry

Looks for VMWare Tools registry key

Enumerates VirtualBox registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Looks for VirtualBox Guest Additions in registry

Family: Vidar

Malware Config

C2 Extraction:

https://t.me/nag0a
https://dev.epicgames.com/community/api/user_profiles/profile.json?hash_id=EMqJL

Unpacked files

SH256 hash:

40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977

MD5 hash:

b135d924f409aeb7be55feacd68e946f

SHA1 hash:

a7b0d89d2f4f846e38ce3c4ea904d16113fda9ea

Link:

https://www.unpac.me/results/f31c757a-c14a-4097-aa6a-6b2966a78e8b/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/40b643468356/report/overview.html

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/40b643468356c0fd751893647ad0dc9e2a0019427e4f5f0e2f6e559efcecb977

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:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

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

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

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

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	has_telegram_urls Create hunting rule
Author:	Aaron DeVera<aaron@backchannel.re>
Description:	Detects Telegram URLs

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RemusStealer_GoPayload Create hunting rule
Author:	burger
Description:	Detects RemusStealer Go-compiled payload

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

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)