MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b6893fa6b04ee8daa29e515c08239ac5204af1a1fa2bc10006eede1b41329b. 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: 11


Intelligence 11 IOCs YARA 36 File information Comments

SHA256 hash: b9b6893fa6b04ee8daa29e515c08239ac5204af1a1fa2bc10006eede1b41329b
SHA3-384 hash: e99b540d6b5203b7f72f7e9b8e1c8c8699ff29c5466af96f478128c5e7ae2530eae666455467dd5897ee0611aa1264c4
SHA1 hash: 65f5161364a1a759cd48d3e3ae87231ef8665d26
MD5 hash: de3c6dc21330f6c501ada99d2206e27f
humanhash: arkansas-harry-violet-sierra
File name:mpclient.dll
Download: download sample
Signature Vidar
File size:2'599'008 bytes
First seen:2026-04-16 12:18:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d8b31f8c03e0c76ff245ed05a15ffe6c (53 x Vidar, 2 x Stealc, 2 x Smoke Loader)
ssdeep 24576:vHhOFhi5XVkw5fjzygB7MkyLLcG+np+MHx30yIKp1iXIxNtaiJH7Fhele5n92VGo:vHhUyXzjzygdmLLi+0np1iXyNrJHEesV
TLSH T1F7C58C46ADD148BAC06AA3368CF613917B74F8480B3677C32E6366392FF67D05939394
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 burger
Tags:exe signed vidar

Code Signing Certificate

Organisation:justwatch.com
Issuer:WR3
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-09T11:58:38Z
Valid to:2026-06-07T12:48:28Z
Serial number: 2f7ef0157d17625c098691cef1ff7d63
Intelligence: 8 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 43aa80fa6f2a125b00d56bfe669c30973a711f36b5c75bd6cea45aea7c0205da
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
150
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
youtube.com
Verdict:
No threats detected
Analysis date:
2026-04-15 14:43:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
injection obfusc crypt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-04-15T17:25:00Z UTC
Last seen:
2026-04-16T16:37:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.DllHijack.sb Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
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
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 dnsIp2 2 Behavior Graph ID: 1899439 Sample: mpclient.dll.exe Startdate: 16/04/2026 Architecture: WINDOWS Score: 100 40 shed.dual-low.part-0041.t-0009.t-msedge.net 2->40 42 part-0041.t-0009.t-msedge.net 2->42 44 12 other IPs or domains 2->44 54 Suricata IDS alerts for network traffic 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected Vidar stealer 2->58 60 3 other signatures 2->60 10 loaddll64.exe 1 2->10         started        12 msedge.exe 2->12         started        signatures3 process4 process5 14 cmd.exe 1 10->14         started        16 rundll32.exe 10->16         started        19 rundll32.exe 10->19         started        23 15 other processes 10->23 21 msedge.exe 12->21         started        signatures6 25 rundll32.exe 21 14->25         started        48 Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners) 16->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 16->50 52 Potentially malicious time measurement code found 16->52 process7 dnsIp8 46 46.225.155.213, 443, 49693, 49694 DADEHGOSTAR-ASAS12880-DataCommunicationCompanyofIran Iran (ISLAMIC Republic Of) 25->46 62 System process connects to network (likely due to code injection or exploit) 25->62 64 Tries to harvest and steal browser information (history, passwords, etc) 25->64 66 Writes to foreign memory regions 25->66 68 3 other signatures 25->68 29 msedge.exe 25->29         started        32 msedge.exe 25->32         started        34 chrome.exe 25->34         started        signatures9 process10 signatures11 70 Monitors registry run keys for changes 29->70 36 msedge.exe 29->36         started        38 WerFault.exe 32->38         started        process12
Gathering data
Threat name:
Win64.Spyware.Vidar
Status:
Suspicious
First seen:
2026-04-16 00:57:49 UTC
File Type:
PE+ (Dll)
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion spyware trojan
Behaviour
Modifies system certificate store
Badlisted process makes network request
Unpacked files
SH256 hash:
b9b6893fa6b04ee8daa29e515c08239ac5204af1a1fa2bc10006eede1b41329b
MD5 hash:
de3c6dc21330f6c501ada99d2206e27f
SHA1 hash:
65f5161364a1a759cd48d3e3ae87231ef8665d26
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: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_duffcopy_amd64
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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
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.

Comments