MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02. 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 34 File information Comments
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SHA256 hash: b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02
SHA3-384 hash: 726b548e342bf652197f7d15e174fbb421a6b6dd3a8dbb7f7ec14ad51515cd2ea589dd8cad54ea45db53d578eb361eee
SHA1 hash: 9df5d769918a284c904069f8432d238232b21708
MD5 hash: a3bbd5375b4184729687e02245977cea
humanhash: violet-wisconsin-south-connecticut
File name:file
Download: download sample
Signature Vidar
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File size:2'654'856 bytes
First seen:2026-05-30 18:05:51 UTC
Last seen:2026-05-30 18:07:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (390 x Vidar, 94 x Stealc, 92 x Rhadamanthys)
ssdeep 49152:izcc5iJXRXM1tb6CPAYKPQH8ktRzyteCdOM/rKZHNF4:iZq8uCaPQH8kXzytJdX/r4t6
TLSH T13FC58C876C62A1E5C85576B728A751B07B24BC187F76A7F32D9872342F316C048FAF90
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
dhash icon 3c4d8e17178e4d3a (3 x LummaStealer, 1 x Vidar)
Reporter Bitsight
Tags:54e64e dropped-by-amadey exe signed vidar

Code Signing Certificate

Organisation:cpcalendars.zewa.com
Issuer:R12
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-11T01:23:30Z
Valid to:2026-08-09T01:23:29Z
Serial number: 0688f7cbd280937fc7ce5caa93072588e9d3
Intelligence: 6 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 79e0080f86701de79092a86a0851994fb50c4fbd7b0cba217a8f9723d5eaf925
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://91.92.242.236/files-129312398/files/file_a65f5594c8f995c4.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
175
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
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ID:
1
File name:
_b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02.exe
Verdict:
Malicious activity
Analysis date:
2026-05-30 18:08:47 UTC
Tags:
stealer stealc vidar golang attachments attc-unc auto lumma loader amadey botnet unlocker-eject tool nircmd generic arch-exec saked dropper auto-reg upx njrat rat credentialflusher xmrig miner hijackloader susp-powershell winring0-sys vuln-driver
Link:
https://app.any.run/tasks/4938872b-a5ab-4da9-bbae-2ca37b7f38f2

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/68554/
Detection(s):
SecuriteInfo.com.Trojan.WinGo.Crypt.18514.30042.UNOFFICIAL
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Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a1b272c5a2e3b5e58e439ec
Tags:
trojan extens lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Launching a service
Behavior that indicates a threat
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-30T15:32:00Z UTC
Last seen:
2026-06-01T03:06:00Z UTC
Hits:
~100
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen Backdoor.Win64.Gsb.bju Trojan-PSW.Lumma.TCP.C&C Trojan.Win64.Agent.sb Trojan-Banker.Bandra.TCP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C
Link:
https://opentip.kaspersky.com/b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6b21d13c-a68d-4924-be93-df4c388c740b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02/
Threat name:
Win64.Trojan.Egairtigado
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Status:
Malicious
First seen:
2026-05-30 18:06:48 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxne5albbqndqdwupdgyd74jmdfgcaxfuxfyuz3cfzjm4lj75qba._file
Verdict:
malicious
Label(s):
unc_go_loader_002
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery spyware stealer
Link:
https://tria.ge/reports/260530-wp1axacw5j/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02
MD5 hash:
a3bbd5375b4184729687e02245977cea
SHA1 hash:
9df5d769918a284c904069f8432d238232b21708
Link:
https://www.unpac.me/results/40e36cef-c689-474e-9a06-5fcca3744d71/
Malware family:
Vidar
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5da4e81610c/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/b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02

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:Check_Dlls
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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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__QueryInfo
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__Thread
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
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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:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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
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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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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: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
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Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:Sus_CMD_Powershell_Usage
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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
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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
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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 b5da4e81610c1a380ed478cd81ff8960ca6102e5a5cb8a67622e52ce2d3fec02

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/68554/

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