MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac. 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: 12

Intelligence 12 IOCs YARA 26 File information Comments

SHA256 hash:	b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac
SHA3-384 hash:	91c3fd961b3ff3c5697ba027ec32a77219aaccdd4126a088fd7bdecc3f3169013552f22175ee893cc5bf38c81a5b2617
SHA1 hash:	5831506e3e1119a6075fd5240249ed4707d03e9c
MD5 hash:	46a0b11794c796b055482343fca8549d
humanhash:	apart-india-happy-vermont
File name:	S_t_U_ [U_D].exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	5'580'224 bytes
First seen:	2026-09-25 20:30:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4f2f006e2ecf7172ad368f8289dc96c1 (184 x SalatStealer, 74 x Vidar, 46 x RemusStealer)
ssdeep	98304:5I7K9tNTGoMrorkfYGgmNh2MdRvHF3Z3H1NtYKX:ntNTGoMrorXNwvD3JYu
TLSH	T13E467C463D91D0A8D0D9AA35C47A6216BF747C8C8B3933E71FA0A6743E623C35DB9B14
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	AmadeyHunter
Tags:	exe signed vidar

Code Signing Certificate

Organisation:	Summit Sphere Collective
Issuer:	Summit Sphere Collective
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-09-18T09:39:30Z
Valid to:	2027-09-25T09:39:30Z
Serial number:	6f8ee2b21b642e0e5b619218ba18d702
Thumbprint Algorithm:	SHA256
Thumbprint:	575bdf81baa855e15c6e3d54889596d5edd821fffa43d99aefbcc644df0b08ff
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

186

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

https://www.youtube.com:443/post/Ugkxv-NcjW198JNtEJxg3Hw5URntUh8jnk2l

Verdict:

Malicious activity

Analysis date:

2026-09-25 13:09:02 UTC

Tags:

fingerprinting

Link:

https://app.any.run/tasks/59706d3e-a53e-4c18-a302-e30faa87fde4

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/89046/

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.11881121.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

crypto golang invalid-signature packed self-signed-cert signed

Link:

https://www.filescan.io/uploads/6ab6da15677396184861f1ef/reports/145b7292-65c5-4814-b6a1-3555c54676c8/overview

Verdict:

Malicious

Labled as:

Trojan/Loader.vm

Link:

https://www.hybrid-analysis.com/sample/b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-25T18:59:00Z UTC

Last seen:

2026-09-26T22:07:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/a1bbd3c8-12da-4c0e-adc3-c25eb29a5fde

Score:

61%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/46a0b11794c796b055482343fca8549d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac/

Threat name:

Win64.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-09-25 20:31:45 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=wnsbv3emzuquoxzck3diqnx7z5cllylwj6iwzdiy7l4xydlpiwwa._file

Verdict:

malicious

Label(s):

Vidar

Link:

https://reports.threatray.com/cb0344b9-8e01-49a4-99ef-81800e51df69

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:444d2b897808ca7363ed5b35ac745432 defense_evasion discovery stealer

Link:

https://tria.ge/reports/260925-zasjasyzcv/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Reads the TCP/IP host and domain name from the registry

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://172.238.110.27
https://t.me/nts33p
https://steamcommunity.com/profiles/76561198639924729
https://community.fandom.com/wikia.php?controller=UserProfile&method=getUserData&format=json&userId=64140772

Unpacked files

SH256 hash:

b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac

MD5 hash:

46a0b11794c796b055482343fca8549d

SHA1 hash:

5831506e3e1119a6075fd5240249ed4707d03e9c

Link:

https://www.unpac.me/results/61ef6737-6028-4e93-a33d-0ae55edf2d5d/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b3641aec8ccd/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/b3641aec8ccd21475f2256c68836ffcf44b5e1764f916c8d18faf97c0d6f45ac

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:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	SUSPICIOUS_Potential_DDR Create hunting rule
Author:	NyxIndius
Description:	Detects PE files referencing web services potentially used as dead drop resolvers, with network capability correlation for single-indicator cases

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/