MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a753c36ffb828df202ea29e299710b1fe59608dfda2cee6675027bd7ea4325df. 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 33 File information Comments

SHA256 hash: a753c36ffb828df202ea29e299710b1fe59608dfda2cee6675027bd7ea4325df
SHA3-384 hash: 59bcc45e13ea6bc3e293cc1a12416f998d4570f87c7a4a561386ad7a59aa776efbaecda1ab0e06dc376192e481d416e4
SHA1 hash: f12d3c932aae71ee5ba733cb84cd7183b8d8e965
MD5 hash: 5c9fe278491bdaedc9c2359258cce9ce
humanhash: hot-three-ten-mexico
File name:intl.dll
Download: download sample
Signature Vidar
File size:2'774'616 bytes
First seen:2026-03-01 13:02:23 UTC
Last seen:2026-03-01 13:31:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1ee5ceaa8651bf31ebd235088b7e8b9c (6 x Vidar)
ssdeep 49152:eJ5voumJhwqWuaCihnUGTeU7ha0OwknZhaza:eJGNzpN/Qha0Owwaza
TLSH T117D56B17AE909CA4D46E9375DCBA22867736BC58073333D31E167E742EF26D1583AB08
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter aachum
Tags:dll dllHijack expits-com vidar


Avatar
iamaachum
https://expits.com/ => https://expits.com/V%D0%BEl%D0%B5cit%D1%83%20UI.zip

Vidar C2: 91.99.21.118

Intelligence


File Origin
# of uploads :
2
# of downloads :
152
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
intl.dll
Verdict:
Malicious activity
Analysis date:
2026-03-01 12:55:28 UTC
Tags:
stealer stealc vidar xor-url generic golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
injection virus
Verdict:
Malicious
File Type:
dll x64
Detections:
Trojan.Win64.Agent.sb Trojan.Win64.Agent.smfpji
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1876481 Sample: intl.dll.exe Startdate: 01/03/2026 Architecture: WINDOWS Score: 100 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 4 other signatures 2->42 8 loaddll64.exe 1 2->8         started        process3 process4 10 rundll32.exe 16 8->10         started        14 cmd.exe 1 8->14         started        16 rundll32.exe 8->16         started        18 27 other processes 8->18 dnsIp5 34 91.99.21.118, 443, 49691, 49692 PARSONLINETehran-IRANIR Iran (ISLAMIC Republic Of) 10->34 44 System process connects to network (likely due to code injection or exploit) 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 48 Sets debug register (to hijack the execution of another thread) 10->48 50 7 other signatures 10->50 20 chrome.exe 2 10->20         started        22 chrome.exe 10->22         started        24 chrome.exe 10->24         started        28 2 other processes 10->28 26 rundll32.exe 14->26         started        signatures6 process7 process8 30 chrome.exe 20->30         started        32 chrome.exe 22->32         started       
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2026-03-01 12:55:31 UTC
File Type:
PE+ (Dll)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar stealer
Behaviour
Badlisted process makes network request
Detects Vidar Stealer
Vidar
Vidar family
Unpacked files
SH256 hash:
a753c36ffb828df202ea29e299710b1fe59608dfda2cee6675027bd7ea4325df
MD5 hash:
5c9fe278491bdaedc9c2359258cce9ce
SHA1 hash:
f12d3c932aae71ee5ba733cb84cd7183b8d8e965
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Debugger
Rule name:command_and_control
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_URL_In_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:sus_pe_free_without_allocation
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
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.

Web download

Vidar

Executable exe a753c36ffb828df202ea29e299710b1fe59608dfda2cee6675027bd7ea4325df

(this sample)

  
Delivery method
Distributed via web download

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