MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe. 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 36 File information Comments

SHA256 hash:	9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe
SHA3-384 hash:	69186481b9c056902f86012e2167882c96c313adc91c1cff26cf678727661a105aa13279d3d1bf8f8071108f4c1c6448
SHA1 hash:	0ed5162adf4d59fe105ecc0122ab14912bd35ffc
MD5 hash:	81e21774e6765d18444d02b58e68e598
humanhash:	louisiana-floor-comet-uniform
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	4'021'912 bytes
First seen:	2026-04-04 16:16:23 UTC
Last seen:	2026-04-04 19:25:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (260 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep	24576:rM/1oK5WuY4z61U9tNfTAW1MGucUyXwmGiWPrWKf9:rMdR5Tz61ItNMeMGa5xS6
TLSH	T194168D5B7CD004BAD0AAA33288B261917B76F8191B3233D72F44B6783F767E06979714
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:	c dropped-by-gcleaner exe MIX1.file signed vidar

Code Signing Certificate

Organisation:	1575d9b8.sni.cloudflaressl.com
Issuer:	E8
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-03-31T23:03:53Z
Valid to:	2026-06-29T23:03:52Z
Serial number:	05bd3c63dff6a0d7f4a5bbbb5a754276e0de
Intelligence:	17 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	83ea4b25f825cf18ebaab8a986dc4ed0eeb2aeaaf44becf8be9d5ef498fe1af7
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Bitsight

url: http://158.94.209.95/service

Intelligence

File Origin

# of uploads :

# of downloads :

144

Origin country :

Vendor Threat Intelligence

Gathering data

Malware family:

vidar

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2026-04-04 16:17:35 UTC

Tags:

vidar stealer stealc golang

Link:

https://app.any.run/tasks/672b87b5-ce4e-46d3-9151-cd54aedbd7f0

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/60440/

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69d1395e66ab6d001dceca94

Tags:

ransomware injection obfusc

Result

Verdict:

Clean

Maliciousness:

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-vm crypt golang overlay packed signed

Link:

https://www.filescan.io/uploads/69d1399400ad3636940b6fb0/reports/45ed2aef-85f0-49ea-a3db-99c39c8bdb46/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-04-04T13:25:00Z UTC

Last seen:

2026-04-06T06:15:00Z UTC

Hits:

~10

Detections:

Trojan.Win64.Agent.sb Trojan-PSW.Vidar.HTTP.C&C BSS:Trojan.Win32.Generic Backdoor.Win64.Gsb.gen Backdoor.Win64.Gsb.sb

Link:

https://opentip.kaspersky.com/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/7d2e5833-0fd2-44ea-88bf-e6dc250d037b

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/81e21774e6765d18444d02b58e68e598

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe/

Verdict:

Malicious

Threat:

Family.VIDAR

Link:

https://tip.neiki.dev/file/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tobxsg52diryji7utvgdvpmw3274fphnrip5orlicc7p2sfr3p7a._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:snappyclient family:vidar botnet:01ce16587cdedffe1810091f6cbbfbec backdoor collection discovery persistence spyware stealer

Link:

https://tria.ge/reports/260404-trkbcsey2s/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Time Discovery

Drops file in Windows directory

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Checks installed software on the system

Executes dropped EXE

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Detects Vidar Stealer

SnappyClient

Snappyclient family

Suspicious use of NtCreateUserProcessOtherParentProcess

Vidar

Vidar family

Malware Config

C2 Extraction:

https://telegram.me/nwwfh8
https://steamcommunity.com/profiles/76561198719385745

Unpacked files

SH256 hash:

9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

MD5 hash:

81e21774e6765d18444d02b58e68e598

SHA1 hash:

0ed5162adf4d59fe105ecc0122ab14912bd35ffc

Link:

https://www.unpac.me/results/91eda2cc-8308-4864-acd5-60a0a7730a96/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/9b83791bba1a/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/9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

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:	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_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_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:	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:	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/

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.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

exe 9b83791bba1a2384a3f49d4c3abd96debfc2bced8a1fd7456810befd48b1dbfe

(this sample)

Dropped by

Gcleaner

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/60440/

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