MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b825f0ed0e757bdbfcb3571acd993eea2b83e14b5aae249fc54510e1e96ccb7. 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



AsyncRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 16 File information Comments

SHA256 hash: 4b825f0ed0e757bdbfcb3571acd993eea2b83e14b5aae249fc54510e1e96ccb7
SHA3-384 hash: 9f55649f68bd4254bfb480b162b7f7622e1451a5e8780a2fd83f2f59bc6148299a2af69a2045cd6266d5342a3b092ff2
SHA1 hash: cfe17c7d1186f213d3286f2dadc47b2c465de152
MD5 hash: ceee83e31dc0b766553ae179fafea7c8
humanhash: finch-east-mars-alpha
File name:SOLICITUD DE COTIZACION.js
Download: download sample
Signature AsyncRAT
File size:3'278'052 bytes
First seen:2026-06-04 05:53:23 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:wTITITITITITITITITITITITITITITITITITITITITITITITITITITITITITITI4:wBL4S7qkOW6SakB9
TLSH T1E9E5A97293CAC4A1F93E6829CCF62FCC5691C8510B93965EA3B96ECC7C01D681A7DD31
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
autorun shell sage blic
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-03T13:13:00Z UTC
Last seen:
2026-06-05T23:15:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-Downloader.Script.Generic PDM:Trojan.Win32.Generic Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Startup.gen HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
expl.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Drops script or batch files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1922649 Sample: SOLICITUD DE COTIZACION.js Startdate: 04/06/2026 Architecture: WINDOWS Score: 100 55 elmap.smarthost.pl 2->55 57 c2a9c95e369881c67228a6591cac2686.clo.footprintdns.com 2->57 59 10 other IPs or domains 2->59 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 15 other signatures 2->71 9 wscript.exe 2 3 2->9         started        13 powershell.exe 14 16 2->13         started        16 wscript.exe 1 2->16         started        signatures3 process4 dnsIp5 49 SOLICITUD DE COTIZ....js:Zone.Identifier, ASCII 9->49 dropped 51 C:\Users\user\...\SOLICITUD DE COTIZACION.js, Unicode 9->51 dropped 83 Suspicious powershell command line found 9->83 85 Wscript starts Powershell (via cmd or directly) 9->85 87 Obfuscated command line found 9->87 95 5 other signatures 9->95 63 elmap.smarthost.pl 91.211.220.144, 49690, 49694, 49695 AS-SMARTHOST-PL Poland 13->63 89 Writes to foreign memory regions 13->89 91 Injects a PE file into a foreign processes 13->91 93 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->93 18 MSBuild.exe 2 4 13->18         started        22 MSBuild.exe 13->22         started        24 conhost.exe 13->24         started        26 powershell.exe 16->26         started        file6 signatures7 process8 dnsIp9 61 203.202.232.132, 2828, 49697, 49699 WHITELABELUS Turkey 18->61 73 Tries to steal Mail credentials (via file / registry access) 18->73 75 Tries to harvest and steal browser information (history, passwords, etc) 18->75 28 csc.exe 4 18->28         started        31 csc.exe 3 18->31         started        33 MSBuild.exe 18->33         started        35 MSBuild.exe 18->35         started        77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->77 79 Writes to foreign memory regions 26->79 81 Injects a PE file into a foreign processes 26->81 37 MSBuild.exe 1 26->37         started        39 conhost.exe 26->39         started        signatures10 process11 file12 53 C:\Users\user\AppData\Local\...\MSBuild.exe, PE32 28->53 dropped 41 conhost.exe 28->41         started        43 cvtres.exe 1 28->43         started        45 conhost.exe 31->45         started        47 cvtres.exe 31->47         started        process13
Gathering data
Threat name:
Script-JS.Trojan.Znyonm
Status:
Malicious
First seen:
2026-06-04 00:58:29 UTC
File Type:
Binary
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Malware Config
C2 Extraction:
203.202.232.132:2828
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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: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.
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Comments