MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff6b4d5c82f96a4b2d8788888fba011d86c49340f2ecb4b859a7152318ae8d96. 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 21 File information Comments

SHA256 hash: ff6b4d5c82f96a4b2d8788888fba011d86c49340f2ecb4b859a7152318ae8d96
SHA3-384 hash: 0e9e1ce26305e0cdd24a5f05578ebc7ad8580262f5b3858816a003590409b7878cdcf0552f816c4b2f022fb2269df5aa
SHA1 hash: af11570d171d3bb11cf1f154c3362371fbd0c756
MD5 hash: 4f147355b56ed6882730560f1d76eb4e
humanhash: three-march-march-ink
File name:HK0987654323456780.js
Download: download sample
Signature AsyncRAT
File size:508'245 bytes
First seen:2026-07-14 10:12:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:nFOnANYEJwZsc+Cgog1q/EoQpBfA9RjPynEKynEM5eLs5:FOfRGHCLgagAbzK+EMsLq
Threatray 1'566 similar samples on MalwareBazaar
TLSH T118B4B0006BC87D5943DA0F35F12FB4D9FAE6098D2496548AD722FC47AE64301F9B2AF4
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
vmdetect autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-07-14T04:10:00Z UTC
Last seen:
2026-07-14T07:01:00Z UTC
Hits:
~1000
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.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 dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential obfuscated javascript 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: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious Child Process of AspNetCompiler
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 Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1942094 Sample: HK0987654323456780.js Startdate: 14/07/2026 Architecture: WINDOWS Score: 100 56 keyauth.win 2->56 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 15 other signatures 2->66 10 wscript.exe 2 4 2->10         started        13 powershell.exe 19 2->13         started        15 powershell.exe 2->15         started        17 powershell.exe 2->17         started        signatures3 process4 signatures5 80 JScript performs obfuscated calls to suspicious functions 10->80 82 Suspicious powershell command line found 10->82 84 Wscript starts Powershell (via cmd or directly) 10->84 86 4 other signatures 10->86 19 powershell.exe 16 10->19         started        22 conhost.exe 13->22         started        24 aspnet_compiler.exe 13->24         started        26 aspnet_compiler.exe 13->26         started        32 3 other processes 13->32 28 conhost.exe 15->28         started        30 conhost.exe 17->30         started        process6 signatures7 68 Writes to foreign memory regions 19->68 70 Found suspicious powershell code related to unpacking or dynamic code loading 19->70 72 Injects a PE file into a foreign processes 19->72 34 aspnet_compiler.exe 1 3 19->34         started        38 aspnet_compiler.exe 19->38         started        40 conhost.exe 19->40         started        42 4 other processes 19->42 process8 dnsIp9 58 217.217.97.75, 4445, 49700 WINDSTREAM-WindstreamCommunicationsLLCUS China 34->58 74 Tries to steal Mail credentials (via file / registry access) 34->74 76 Tries to harvest and steal browser information (history, passwords, etc) 34->76 44 aspnet_compiler.exe 34->44         started        47 csc.exe 4 34->47         started        78 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->78 signatures10 process11 file12 88 Antivirus detection for dropped file 44->88 54 C:\Users\user\AppData\...\aspnet_compiler.exe, PE32 47->54 dropped 50 conhost.exe 47->50         started        52 cvtres.exe 47->52         started        signatures13 process14
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:xworm collection discovery execution persistence rat trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
217.217.97.75:4445
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:Base64_Encoded_Powershell_Directives
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:rat_win_xworm_v3
Author:Sekoia.io
Description:Finds XWorm (version XClient, v3) samples based on characteristic strings
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:SUSP_obfuscated_JS_obfuscatorio
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
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: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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades

File information


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

Comments