MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9. 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: 13


Intelligence 13 IOCs YARA 34 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9
SHA3-384 hash: 2b6bd8789f5d328c4fcef70b1b220a98d4bdc47bc66249aa688afbb3ad7316e5b23be7482a27e2529aa239fc3c17451a
SHA1 hash: 1ba5baae1434d6ffa3dcc6b0570fa290b63e2aed
MD5 hash: f4be53ce059774cbe43b1f78a41f3e28
humanhash: uncle-nuts-wyoming-island
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:1'917'632 bytes
First seen:2026-03-28 12:38:41 UTC
Last seen:2026-03-28 14:54:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (293 x Vidar, 92 x Rhadamanthys, 91 x Stealc)
ssdeep 24576:L+j69OSkFCESuUuHb2ek+5byuJ++soAb0ZwiP5G3AGpA4nhele5nK23TdGKyv:L+m9rkF4uUurk+5TsaKS4AGphdG
TLSH T109957C4A7CE104FAD06A63328DB662917B71F8490F3223D72E50B6393FB66E45D39748
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:b dropped-by-gcleaner exe MIX2.file signed vidar

Code Signing Certificate

Organisation:oikeusministerio.fi
Issuer:Entrust OV TLS Issuing RSA CA 2
Algorithm:sha256WithRSAEncryption
Valid from:2025-11-12T00:00:00Z
Valid to:2026-12-13T23:59:59Z
Serial number: 165016c64b7f23d7f6b96fc6f4b497c3
Intelligence: 4 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 693724b5f9be2fc5fa468bff81673818d0ab69fda9b0b2e28946917b47075694
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://158.94.209.95/service

Intelligence

File Origin
# of uploads :
3
# of downloads :
184
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
_4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9.exe
Verdict:
Malicious activity
Analysis date:
2026-03-28 12:40:14 UTC
Tags:
vidar stealer telegram stealc golang
Link:
https://app.any.run/tasks/c4c21b3c-504b-4c55-9a7e-d90e9eb656c4

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/59597/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c7cbeee137efff54f4f82d
Tags:
ransomware injection remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang packed signed
Link:
https://www.filescan.io/uploads/69c7cbee972c219c8d70a3e8/reports/b18b8422-154a-47d0-b784-5bc6381cba86/overview
Verdict:
Malicious
Labled as:
WinGo/Kryptik_AGeneric.Z trojan
Link:
https://www.hybrid-analysis.com/sample/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9
Verdict:
Clean
File Type:
exe x64
First seen:
2026-03-28T09:45:00Z UTC
Last seen:
2026-03-28T11:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/72053942-95cb-4a01-b3c5-305eaf51b339
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9/
Verdict:
Malicious
Threat:
Family.VIDAR
Link:
https://tip.neiki.dev/file/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9
Threat name:
Win64.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-03-28 12:39:30 UTC
File Type:
PE+ (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jinueuf7feicalzk2dcengm56mfk63jv5nicxfythhtal43uyduq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:e6941aaa4453f9f2b8b85b1245420d60 collection discovery spyware stealer
Link:
https://tria.ge/reports/260328-pvpm2aat2x/
Behaviour
Checks processor information in registry
Enumerates system info in registry
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 Time Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/zididf
https://telegram.me/g1n3sss
https://steamcommunity.com/profiles/76561198721263282
Unpacked files
SH256 hash:
4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9
MD5 hash:
f4be53ce059774cbe43b1f78a41f3e28
SHA1 hash:
1ba5baae1434d6ffa3dcc6b0570fa290b63e2aed
Link:
https://www.unpac.me/results/1a0e7d2f-0f95-452b-b41c-7774b1c0057a/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a1b4250bf29/report/overview.html
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/4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9

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: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: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: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: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_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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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

Executable exe 4a1b4250bf2910202f2ad0c446999df30aaf6d35eb502b971339e605f374c0e9

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/59597/

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