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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039. 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


LxBaseRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039
SHA3-384 hash: 7dc16ce1e0a548d7d388f1cd84fc16804a8a0403ab3933fc5adac7f115e812b46a8cc9a7cc7d4e05180eb26be5cbe905
SHA1 hash: a1717161ba53b2646ac6e692eb60784d73d520ca
MD5 hash: 7c121167467f41e1c871a589e7a6d462
humanhash: early-michigan-four-don
File name:4886412_ITR_Return.vbs
Download: download sample
Signature LxBaseRAT
Create hunting rule
File size:6'698'105 bytes
First seen:2026-08-13 11:37:53 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:y/IPkE5xOLWSl/m+f1z68UGfL9DnQDWoYxoyzXSclBoiWdKPaRcSl0yNk/emUfF2:U5hEvdbw3Ig
TLSH T18A669F516E5459F5EF8C290E90AE6F1D83F082176A3370ABFB41DF05BEDA241864B21F
Magika vba
Reporter abuse_ch
Tags:LxBaseRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80863/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac23d7f8679a84b4e980fe4
Tags:
vmdetect autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive powershell
Link:
https://www.filescan.io/uploads/6a7dacc6ce1187f3cdb4eb1a/reports/6abe4943-f635-45ca-8c5a-66406bb35268/overview
Verdict:
Malicious
Labled as:
VBS/Drop
Link:
https://www.hybrid-analysis.com/sample/f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039
Verdict:
Malicious
File Type:
vbs
First seen:
2026-08-12T21:40:00Z UTC
Last seen:
2026-08-15T00:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039/results?tab=lookup
Result
Threat name:
Clipboard Hijacker, DonutLoader, LxBase
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1957429
Signature
.NET source code contains a sample name check
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
AI detected malicious Powershell script
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Creates a thread in another existing process (thread injection)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Unusual module load detection (module proxying)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Clipboard Hijacker
Yara detected DonutLoader
Yara detected LxBase RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957429 Sample: 4886412_ITR_Return.vbs Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 52 prakashjadhav747.duckdns.org 2->52 54 prakashjadhav74.duckdns.org 2->54 56 2 other IPs or domains 2->56 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 70 19 other signatures 2->70 10 wscript.exe 3 2->10         started        14 vijewyufveonabghulluonouceyasi.exe 2->14         started        16 vijewyufveonabghulluonouceyasi.exe 2->16         started        signatures3 68 Uses dynamic DNS services 54->68 process4 file5 50 C:\Temp\yellow.b64, Unicode 10->50 dropped 90 Suspicious powershell command line found 10->90 92 Wscript starts Powershell (via cmd or directly) 10->92 94 Bypasses PowerShell execution policy 10->94 102 3 other signatures 10->102 18 cmd.exe 2 10->18         started        22 powershell.exe 12 10->22         started        96 Writes to foreign memory regions 14->96 98 Allocates memory in foreign processes 14->98 100 Creates a thread in another existing process (thread injection) 14->100 24 fsquirt.exe 2 14->24         started        26 fsquirt.exe 16->26         started        signatures6 process7 file8 46 C:\Temp\update.ps1, ASCII 18->46 dropped 72 Suspicious powershell command line found 18->72 74 Wscript starts Powershell (via cmd or directly) 18->74 28 powershell.exe 23 18->28         started        30 conhost.exe 18->30         started        48 C:\Temp\yellow.bat, ASCII 22->48 dropped 76 Found many strings related to Crypto-Wallets (likely being stolen) 22->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 22->78 33 conhost.exe 22->33         started        80 Installs a global keyboard hook 24->80 signatures9 process10 signatures11 35 vijewyufveonabghulluonouceyasi.exe 28->35         started        38 conhost.exe 28->38         started        40 reg.exe 1 1 28->40         started        112 Installs a global keyboard hook 30->112 process12 signatures13 82 Writes to foreign memory regions 35->82 84 Allocates memory in foreign processes 35->84 86 Creates a thread in another existing process (thread injection) 35->86 42 fsquirt.exe 15 6 35->42         started        88 Installs a global keyboard hook 38->88 process14 dnsIp15 58 prakashjadhav74.duckdns.org 91.92.47.238, 49719, 7777, 7878 CYBERZONEHUBPA United Kingdom 42->58 60 ip-api.com 208.95.112.1, 49720, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 42->60 104 Found many strings related to Crypto-Wallets (likely being stolen) 42->104 106 Contains functionality to register a low level keyboard hook 42->106 108 Installs a global keyboard hook 42->108 110 Unusual module load detection (module proxying) 42->110 signatures16
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039
Verdict:
Malware
YARA:
3 match(es)
Tags:
ADODB.Stream Base64 Block Batch Command Contains Base64 Block DeObfuscated Obfuscated PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/7c121167467f41e1c871a589e7a6d462
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-08-13 01:20:19 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ktt2ngmqeltbf32ensph226mwyvbt2yzgxw2mmjdasbh5oosa4q._file
Verdict:
malicious
Label(s):
DonutLoader
Create hunting rule
unc_dotnet_stealer_002
Create hunting rule
Link:
https://reports.threatray.com/294fd31e-7b9b-4a6c-afa2-3bcbdfab9ffe
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader defense_evasion discovery execution loader persistence
Link:
https://tria.ge/reports/260813-nr36ksgl2x/
Behaviour
Checks SCSI registry key(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Adds Run key to start application
Indicator Removal: File Deletion
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
Family: DonutLoader
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/f2a73d34cc811730977a2364f3eb5e65b150cf58c9af6d3189182413f5ce9039

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/80863/

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