MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586. 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: 10


Intelligence 10 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586
SHA3-384 hash: 9e0c8c429a96d9d9b47cdca747f9949d402569f2f2da2b0040be72c9bd471b0e15a813ead195c71ad80ce21b643d186c
SHA1 hash: d4d9d3621158928b518f846e6d2750444aa03a09
MD5 hash: e5b2bdd7b41f34655a18dc64b1dfd5c2
humanhash: fish-don-illinois-zulu
File name:b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:6'741'944 bytes
First seen:2026-08-29 20:13:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (1'144 x Vidar, 327 x RemusStealer, 134 x Stealc)
ssdeep 49152:GhzEBkE3cwYogSe2gGDhQLAPSfF7PdpIAyStSoH81TndbfkQHmVE5JEYmEP6RZcg:GYUvhUSRVQGz86RZA8P
TLSH T101667C07BD6105B5C0AA8634C4B752537B397C8E8F3173E32E9066782F7ABD069BA714
TrID 27.0% (.EXE) Win64 Executable (generic) (6522/11/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Anonymous
Tags:exe signed vidar

Code Signing Certificate

Organisation:Cedar Systems Holdings
Issuer:Cedar Systems Holdings
Algorithm:sha256WithRSAEncryption
Valid from:2026-08-22T09:07:00Z
Valid to:2027-08-29T09:07:00Z
Serial number: 7c71cb959efb0c933ce9313215b49d62
Thumbprint Algorithm:SHA256
Thumbprint: b608ff9408ef6874702d2de16993b8b450228c0c5273c3057be1a21bb9c12db7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-08-29 20:24:11 UTC
Tags:
telegram evasion
Link:
https://app.any.run/tasks/cf237ab0-7642-4811-ad17-609456df5ab8

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/83275/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.69992978.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto golang invalid-signature masquerade self-signed-cert signed
Link:
https://www.filescan.io/uploads/6a933d5951af5d4b2e388c60/reports/1a3511ac-4861-4ff4-88ce-48e729edd89d/overview
Verdict:
Suspicious
Labled as:
TR/W64.Evo
Link:
https://www.hybrid-analysis.com/sample/b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-29T15:46:00Z UTC
Last seen:
2026-08-29T20:20:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2e8545d8-5ca8-48da-b63e-7f31997bc606
Score:
52%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/e5b2bdd7b41f34655a18dc64b1dfd5c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586/
Threat name:
Win64.Spyware.Vidar
Create hunting rule
Status:
Suspicious
First seen:
2026-08-29 15:24:25 UTC
File Type:
PE+ (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wom24q3cmgmbumbizdgsv65xj4xt5ztyalp5t2nrcw2q2droiwda._file
Verdict:
malicious
Label(s):
Vidar
Create hunting rule
Link:
https://reports.threatray.com/8128e109-9ae5-40bd-a010-8c53ae48feff
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/260829-yzh6gsgh45/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586
MD5 hash:
e5b2bdd7b41f34655a18dc64b1dfd5c2
SHA1 hash:
d4d9d3621158928b518f846e6d2750444aa03a09
Link:
https://www.unpac.me/results/603b660e-2067-45fb-a657-a1941e10c413/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b399ae436261/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/b399ae436261981a3028c8cd2afbb74f2f3ee67802dfd9e9b115b50d0e2e4586

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: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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/83275/

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