MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5b1bc797b8693d71954e2dbd9e077f512f23e1944c9f43fe7b860718c975b8f. 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: 8

Intelligence 8 IOCs YARA 27 File information Comments

SHA256 hash:	f5b1bc797b8693d71954e2dbd9e077f512f23e1944c9f43fe7b860718c975b8f
SHA3-384 hash:	9ea1a154feec9d1e45b1cf352f6c5c455db87750b451a312c442c2ba3bb3565e009de8a70cf649431b73bd7b457b030a
SHA1 hash:	6993ab54f381992f1ef6ec34d16c4f7f988dbf3a
MD5 hash:	4ec20b98f01fbc117e0b2b53898583fc
humanhash:	east-south-maine-maine
File name:	mpclient.dll
Download:	download sample
Signature	Vidar Create hunting rule
File size:	3'802'824 bytes
First seen:	2026-07-03 19:09:17 UTC
Last seen:	2026-08-16 08:27:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d8b31f8c03e0c76ff245ed05a15ffe6c (422 x Vidar, 15 x RemusStealer, 4 x Stealc)
ssdeep	49152:e0I8l//Zffb0shdbqTP1ftdtUgjI27XV5HR03tvqTKFsAJhn6:e0dPhtqTP1Jr/RctC+FpLn6
TLSH	T1BA069D4BBE8058A4C09AA73664A603547B3DBC5E4F3633E72E90B6791E727C18E35F44
TrID	45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 18.0% (.EXE) Win64 Executable (generic) (6522/11/2) 13.9% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.ICL) Windows Icons Library (generic) (2059/9) 5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	malcorex
Tags:	dll exe signed Stealc vidar

Code Signing Certificate

Organisation:	gusto.it
Issuer:	gusto.it
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-07-03T15:38:51Z
Valid to:	2027-07-03T15:38:51Z
Serial number:	0cb7957ee954dc47
Thumbprint Algorithm:	SHA256
Thumbprint:	083a131484b5981e3906948dd5b97877f37ed751fbadb1538f170c385206770c
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

vidar

ID:

File name:

Xeno_v1.3.18815.zip

Verdict:

Malicious activity

Analysis date:

2026-07-03 17:07:28 UTC

Tags:

arch-exec stealer stealc vidar golang

Link:

https://app.any.run/tasks/0ce6f3a0-2142-4ef5-b306-4f096d56f52b

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/72765/

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a48b2b132952f8351cf9a4c

Tags:

injection obfusc virus

Result

Verdict:

Clean

Maliciousness:

Behaviour

Launching the default Windows debugger (dwwin.exe)

Verdict:

Malicious

File Type:

dll x64

First seen:

2026-07-03T14:05:00Z UTC

Last seen:

2026-07-04T18:52:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/f5b1bc797b8693d71954e2dbd9e077f512f23e1944c9f43fe7b860718c975b8f/results?tab=lookup

Score:

67%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/f5b1bc797b8693d71954e2dbd9e077f512f23e1944c9f43fe7b860718c975b8f

Gathering data

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2026-07-03 19:12:32 UTC

File Type:

PE+ (Dll)

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6wy3y6l3q2j5ogku4ln5tydx6ujpepqzite7ip7hxbqhddexlohq._file

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

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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:	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_detect_tls_callbacks Create hunting rule

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)

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:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/