MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282
SHA3-384 hash: d0c5d9408f0d7e0812d602edaaec8776fef36e0539f2e64ff36503588e6cada6707a986155718513603ae3a02038feae
SHA1 hash: 65c4e8d7ff90e8f0e02f9954ac3c1ec404b6cca6
MD5 hash: bf508eaea100c1af1c175e0e65505d70
humanhash: nine-fruit-magnesium-utah
File name:v4343.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:825'203 bytes
First seen:2026-04-06 12:02:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a453654622cc4ac6ac24d3f62715ebad (2 x Vidar, 1 x njrat)
ssdeep 24576:/eJH6iRyi3hCX9+eeP8+XgpFto3ampFktTP:Vit3QX9+bPVQm3Pvk7
TLSH T19C05122B73A431F9F566827AC6528506EB7678710B6067EF078887752F13AC14E3BB31
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 abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
Origin country :
SE SE
Vendor Threat Intelligence
Gathering data
Malware family:
vidar
Create hunting rule
ID:
1
File name:
v4343.exe
Verdict:
Malicious activity
Analysis date:
2026-04-06 12:03:34 UTC
Tags:
vidar stealer stealc
Link:
https://app.any.run/tasks/f8f44676-1b87-47f5-a60e-77e098bf1bca

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/60601/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d3a0ca6a61012f6acf5747
Tags:
injection obfusc remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm microsoft_visual_cc mikey overlay packed similar-threat
Link:
https://www.filescan.io/uploads/69d3a0c7e2df9aa488c92a8f/reports/c4238a43-8bab-43fa-aadf-066caa5eb061/overview
Verdict:
Malicious
Labled as:
Mikey.Generic
Link:
https://www.hybrid-analysis.com/sample/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-05T20:16:00Z UTC
Last seen:
2026-04-07T23:45:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.sb Trojan.Win32.Injuke.pnnc Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan.Win32.Inject.sb
Link:
https://opentip.kaspersky.com/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d8d94dce-1a7c-48aa-a7b4-c4a0905eec4d
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1893952
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Found direct / indirect Syscall (likely to bypass EDR)
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)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1893952 Sample: v4343.exe Startdate: 06/04/2026 Architecture: WINDOWS Score: 100 55 srg.expertcs.au 2->55 57 telegram.me 2->57 59 fg.microsoft.map.fastly.net 2->59 81 Suricata IDS alerts for network traffic 2->81 83 Found malware configuration 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 5 other signatures 2->87 9 v4343.exe 2->9         started        12 msedge.exe 625 2->12         started        15 msedge.exe 2->15         started        17 msedge.exe 2->17         started        signatures3 process4 dnsIp5 97 Contains functionality to inject code into remote processes 9->97 99 Writes to foreign memory regions 9->99 101 Allocates memory in foreign processes 9->101 103 3 other signatures 9->103 19 svchost.exe 21 9->19         started        71 192.168.2.5, 138, 443, 49189 unknown unknown 12->71 73 239.255.255.250 unknown Reserved 12->73 23 msedge.exe 12->23         started        25 msedge.exe 12->25         started        27 msedge.exe 12->27         started        29 msedge.exe 15->29         started        signatures6 process7 dnsIp8 61 srg.expertcs.au 172.67.189.62, 443, 49694, 49695 CLOUDFLARENETUS United States 19->61 63 telegram.me 149.154.167.99, 443, 49693 TELEGRAMRU United Kingdom 19->63 89 Tries to harvest and steal browser information (history, passwords, etc) 19->89 91 Writes to foreign memory regions 19->91 93 Tries to detect virtualization through RDTSC time measurements 19->93 95 4 other signatures 19->95 31 msedge.exe 2 13 19->31         started        34 msedge.exe 19->34         started        36 msedge.exe 19->36         started        38 3 other processes 19->38 65 part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49703, 49714 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->65 67 ax-0002.ax-msedge.net 150.171.27.11, 443, 49744, 49747 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->67 69 41 other IPs or domains 23->69 signatures9 process10 signatures11 105 Monitors registry run keys for changes 31->105 40 msedge.exe 31->40         started        42 msedge.exe 34->42         started        44 msedge.exe 36->44         started        46 msedge.exe 38->46         started        49 WerFault.exe 16 38->49         started        51 chrome.exe 38->51         started        53 2 other processes 38->53 process12 dnsIp13 75 13.107.213.40, 443, 49797 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 46->75 77 ln-0002.ln-msedge.net 150.171.22.12, 443, 49809 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 46->77 79 53 other IPs or domains 46->79
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/bf508eaea100c1af1c175e0e65505d70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282/
Verdict:
Malicious
Threat:
Family.VIDAR
Link:
https://tip.neiki.dev/file/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2026-04-06 01:02:36 UTC
File Type:
PE+ (Exe)
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yiq2i3iphk6tt456gwq3d5ry64lpt5tjpxosg4z7chwoc2dskkba._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:njrat family:quasar family:vidar botnet:d2d37f81c010b16dfa5beeccc37d882f botnet:default botnet:google chrome collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260406-n7jf4scv3t/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Deletes itself
Drops startup file
Executes dropped EXE
Downloads MZ/PE file
Async RAT payload
AsyncRat
Asyncrat family
Detects Vidar Stealer
Njrat family
Quasar RAT
Quasar family
Quasar payload
Vidar
Vidar family
njRAT/Bladabindi
Malware Config
C2 Extraction:
https://telegram.me/nwwfh8
https://steamcommunity.com/profiles/76561198719385745
196.251.107.24:4782
196.251.107.24:5552
196.251.107.24:4449
Unpacked files
SH256 hash:
c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282
MD5 hash:
bf508eaea100c1af1c175e0e65505d70
SHA1 hash:
65c4e8d7ff90e8f0e02f9954ac3c1ec404b6cca6
Link:
https://www.unpac.me/results/d8ea13aa-61dd-4932-97ad-9d8ee3d27e96/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c221a46d0f3a/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/c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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: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: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 c221a46d0f3abd39f3be35a1b1f638f716f9f6697ddd23733f11ece168725282

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3794673/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/60601/

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