MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65. 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 28 File information Comments

SHA256 hash:	ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65
SHA3-384 hash:	26203172d8d4901d07ed2a55daa1df0b4765a939f7bfcb6b72d0eb332f661ea07b3adf414c5a61cf4f5994c53f87d7e5
SHA1 hash:	cf507c8f592fea7970d069780c68486975f5269e
MD5 hash:	7e75558f3b54d3c1afb9b733343804a0
humanhash:	nineteen-sad-vegan-oregon
File name:	Roblox25.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	10'429'576 bytes
First seen:	2025-12-22 19:57:32 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (1'386 x Vidar, 331 x RemusStealer, 134 x Stealc)
ssdeep	49152:wneg/n72ENlENnWDDfzlVdSD31HbQ9eeJ1/D8h91YAXSx8HwCzst+sd6x05Ek0aE:weNhCJ1D00F0aE
TLSH	T10DB64C93FE9046A9C59FE239F8E2524973707845073121D7BAA027654E37BC8173BB2E
TrID	44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	burger
Tags:	exe signed vidar

Code Signing Certificate

Organisation:	cpcalendars.tron.com
Issuer:	R13
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-11-26T00:19:51Z
Valid to:	2026-02-24T00:19:50Z
Serial number:	0699f124a88c7bb190c367c8584997c919b9
Intelligence:	23 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	cd181f3a1978c794ce4e9a82ac9776fa89238b99582ddfe04b2d45e9c9b0bb1a
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

117

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

vidar

ID:

File name:

Roblox25.exe

Verdict:

Malicious activity

Analysis date:

2025-12-22 19:56:27 UTC

Tags:

xor-url generic stealer stealc vidar golang

Link:

https://app.any.run/tasks/f352c104-0861-4b45-a507-5306aecd16ee

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/45770/

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6949a2a51f45795757237506

Tags:

ransomware dropper emotet virus

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-12-22T16:59:00Z UTC

Last seen:

2025-12-23T21:19:00Z UTC

Hits:

~100

Detections:

Trojan.Win64.Agent.smfggx BSS:Trojan.Win32.Generic Trojan.Win64.Agent.sb Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C

Link:

https://opentip.kaspersky.com/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/77cdb38a-576b-41ec-8092-6657f9f5c3e1

Score:

24%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

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

Link:

https://app.malva.re/file/7e75558f3b54d3c1afb9b733343804a0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vqhhgdb6xc7xqdoqhxdscpgkj3l4ptahwdjw4pgvnzsyvup4xnsq._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar defense_evasion discovery spyware stealer trojan

Link:

https://tria.ge/reports/251222-ypy4yssjey/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies system certificate store

Runs ping.exe

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

System Time Discovery

Drops file in Windows directory

Checks installed software on the system

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Detects Vidar Stealer

Vidar

Vidar family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/9fbed19a-ea98-43ab-bde7-bd8e0cbd3ac6

Unpacked files

SH256 hash:

ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65

MD5 hash:

7e75558f3b54d3c1afb9b733343804a0

SHA1 hash:

cf507c8f592fea7970d069780c68486975f5269e

Link:

https://www.unpac.me/results/f3f0feaf-cfae-4d38-b62d-e057b4e40e24/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ac0e730c3eb8bf780dd03dc7213cca4ed7c7cc07b0d36e3cd56e658ad1fcbb65

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__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:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

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:	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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

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

Rule name:	win_bazarbackdoor_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.bazarbackdoor.

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/45770/

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