MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa80a60b77e39cf7f951157a30141eca81133e0de75540246916069f3c8e7bb7. 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 19 File information Comments

SHA256 hash: fa80a60b77e39cf7f951157a30141eca81133e0de75540246916069f3c8e7bb7
SHA3-384 hash: 708b278b62fb58a11a4b75e865c32898c0edc8b992a4c727852f2879abcfe0bdb7ff202c9f15ba84a71012dd91839cb9
SHA1 hash: d29b9bf99f81ef54c201fa637ed2ed0156710142
MD5 hash: 247a9cb4b204a1305e074e1f2f17844d
humanhash: cola-earth-lemon-neptune
File name:247a9cb4b204a1305e074e1f2f17844d.js
Download: download sample
Signature AsyncRAT
File size:401'661 bytes
First seen:2026-03-18 09:43:33 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:P5TL2Tosz8l0EGvsYYHIhE/8vZpVgR3d8CM8:eFYz/zmf8
Threatray 1'409 similar samples on MalwareBazaar
TLSH T18184BF7D9ADF7D98A21C3B37303E594FB2D05D8563493580EFEB7D883A25B10A6290E4
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
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:
encrypted obfuscated repaired
Result
Threat name:
MATRIX Crypter, XWorm
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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: 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)
Windows shortcut file (LNK) contains suspicious command line arguments
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected MATRIX Crypter
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1885509 Sample: v4qL8B1Dzu.js Startdate: 18/03/2026 Architecture: WINDOWS Score: 100 62 shed.dual-low.part-0012.t-0009.t-msedge.net 2->62 64 part-0012.t-0009.t-msedge.net 2->64 66 7 other IPs or domains 2->66 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 15 other signatures 2->76 10 wscript.exe 2 4 2->10         started        14 powershell.exe 19 2->14         started        16 powershell.exe 17 2->16         started        18 powershell.exe 2->18         started        signatures3 process4 file5 58 SystemUpdate_R3Een...N_1773831501197.lnk, MS 10->58 dropped 60 C:\Temp\ps_R3EengIb2caN_1773831501197.ps1, ASCII 10->60 dropped 84 JScript performs obfuscated calls to suspicious functions 10->84 86 Suspicious powershell command line found 10->86 88 Wscript starts Powershell (via cmd or directly) 10->88 90 4 other signatures 10->90 20 powershell.exe 16 10->20         started        23 conhost.exe 14->23         started        25 conhost.exe 1 16->25         started        27 conhost.exe 18->27         started        signatures6 process7 signatures8 78 Writes to foreign memory regions 20->78 80 Found suspicious powershell code related to unpacking or dynamic code loading 20->80 82 Injects a PE file into a foreign processes 20->82 29 MSBuild.exe 2 4 20->29         started        33 MSBuild.exe 20->33         started        35 conhost.exe 20->35         started        37 4 other processes 20->37 process9 dnsIp10 68 198.23.177.219, 4445, 49743 AS-COLOCROSSINGUS United States 29->68 92 Tries to steal Mail credentials (via file / registry access) 29->92 94 Tries to harvest and steal browser information (history, passwords, etc) 29->94 39 csc.exe 4 29->39         started        42 csc.exe 29->42         started        44 MSBuild.exe 29->44         started        46 2 other processes 29->46 96 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 33->96 98 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 33->98 signatures11 process12 file13 56 C:\Users\user\AppData\Local\...\MSBuild.exe, PE32 39->56 dropped 48 conhost.exe 39->48         started        50 cvtres.exe 39->50         started        52 conhost.exe 42->52         started        54 cvtres.exe 42->54         started        process14
Gathering data
Threat name:
Script-JS.Backdoor.FormBook
Status:
Malicious
First seen:
2026-03-18 09:44:32 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm defense_evasion discovery execution persistence pyinstaller rat spyware stealer trojan upx
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Detects Pyinstaller
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
UPX packed file
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
198.23.177.219:4445
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: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: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: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