MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556. 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: 13

Intelligence 13 IOCs YARA 30 File information Comments

SHA256 hash:	4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556
SHA3-384 hash:	29ffcc6c8e27769b0ace27a830becee82869ee7ccbdb26cdcf551b1d2a790fb0dc3c19faabef0876a51e9a12f7bbe591
SHA1 hash:	8e272c63d4ed06d007a03c0b0464a9ccef0e1d99
MD5 hash:	296d8732e057a6d4f4bebc4cded675c7
humanhash:	low-golf-fish-blossom
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	2'322'944 bytes
First seen:	2026-03-16 12:23:24 UTC
Last seen:	2026-03-16 15:37:58 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	ebc247a77b4d4a804b261f97a1fd075c (35 x Vidar, 18 x Smoke Loader, 2 x Stealc)
ssdeep	49152:J4QJkyWaIkGRGZaEFLgs+sJSH7y9FVLKIBa3:J4m04ZaEaiJSbas
TLSH	T1FAB57B0ABCE508E6D4AA93328DB761927B71FC590B3223D71F94B6782E727D0AD75304
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:	dropped-by-amadey exe fbf543 vidar

Bitsight

url: http://158.94.208.7/files/6691015685/Nb2YOyu.exe

Intelligence

File Origin

# of uploads :

# of downloads :

194

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

vidar

ID:

File name:

random.exe

Verdict:

Malicious activity

Analysis date:

2026-03-15 06:26:11 UTC

Tags:

gcleaner loader auto generic stealer stealc vidar xor-url anti-evasion golang evasion delphi inno installer sainbox rat auto-reg

Link:

https://app.any.run/tasks/3fe968ed-6f85-49bd-ae53-416a9ede2741

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/57628/

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.26165135.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69b7f67393b644ca466a9103

Tags:

ransomware dridex small virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556

Verdict:

Malicious

File Type:

exe x64

Detections:

Trojan-PSW.Win32.Stealerc.ttk

Link:

https://opentip.kaspersky.com/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/96886afb-335d-4749-b471-6710f15023f5

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/296d8732e057a6d4f4bebc4cded675c7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556

Threat name:

Win64.Malware.Generic

Status:

Suspicious

First seen:

2026-03-14 07:25:49 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

12 of 36 (33.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ijl6qnv4nkd6jmlxetavpoupcrsgy6awvjmdjzx7nwcpm2dmuvla._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:083f4625c6d0185f4c6912d119da2bbf stealer

Link:

https://tria.ge/reports/260316-pk5aqse14z/

Behaviour

Detects Vidar Stealer

Vidar

Vidar family

Malware Config

C2 Extraction:

https://136.243.116.57
https://telegram.me/mm8hyx
https://steamcommunity.com/profiles/76561198728266687

Unpacked files

SH256 hash:

4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556

MD5 hash:

296d8732e057a6d4f4bebc4cded675c7

SHA1 hash:

8e272c63d4ed06d007a03c0b0464a9ccef0e1d99

Link:

https://www.unpac.me/results/7b6d7b5c-7490-490d-99c6-2bb229f16f0d/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4257e836bc6a/report/overview.html

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

Threat name:

Legit

Score:

0.14

Link:

https://yomi.yoroi.company/submissions/4257e836bc6a87e4b17724c157ba8f14646c7816aa5834e6ff6d84f6686ca556

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

Rule name:	DebuggerException__SetConsoleCtrl 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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

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_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:	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_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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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)

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.