MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811. 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: 9


Intelligence 9 IOCs YARA 16 File information Comments
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SHA256 hash: d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811
SHA3-384 hash: 7bab391214132b5435468f6390c6adf7866419ddcd21ba1e0fbcda3c083d63cdde2fb34c1f4c451c342d33102e6b53d8
SHA1 hash: 93d1e50042be3b790c668649c9bfb2bf65394f5b
MD5 hash: dbf441b75738e1faeca1068d5fbb4d2e
humanhash: asparagus-avocado-bakerloo-yellow
File name:lpDTvVFPtd.js
Download: download sample
Signature AsyncRAT
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File size:249'086 bytes
First seen:2026-08-22 11:11:01 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:TS2PPB6/4ukKG1bo69+0gC8EtukOscpvyhI0JixNtbpO4:7PIguIZ9+88supvydebpO4
TLSH T1D4348E2D0328237DD90895E9142F334B34F5A766DAB4C1806F77CAE77D35A4AE8B0B61
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.267.14106.17426.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
encrypted obfuscated repaired
Link:
https://www.filescan.io/uploads/6a8983dc688c9454d71b8f4a/reports/faa14651-02ef-44b1-94ec-771c2c597f71/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811
Result
Threat name:
XWorm
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1962198
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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: Dot net compiler compiles file from suspicious location
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962198 Sample: lpDTvVFPtd.js Startdate: 22/08/2026 Architecture: WINDOWS Score: 100 35 pki-goog.l.google.com 2->35 37 mr-b01.tm-azurefd.net 2->37 39 3 other IPs or domains 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 13 other signatures 2->49 9 wscript.exe 1 7 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 53 JScript performs obfuscated calls to suspicious functions 9->53 55 Suspicious powershell command line found 9->55 57 Wscript starts Powershell (via cmd or directly) 9->57 61 4 other signatures 9->61 14 powershell.exe 23 9->14         started        59 WScript reads language and country specific registry keys (likely country aware script) 12->59 18 wscript.exe 12->18         started        process6 file7 33 C:\Users\user\AppData\...\3cgcefkz.cmdline, Unicode 14->33 dropped 63 Writes to foreign memory regions 14->63 65 Injects a PE file into a foreign processes 14->65 20 MSBuild.exe 2 14->20         started        24 csc.exe 3 14->24         started        27 conhost.exe 14->27         started        signatures8 process9 dnsIp10 41 217.60.195.237, 443, 49714 NETPOOLIN Netherlands 20->41 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->51 31 C:\Users\user\AppData\Local\...\3cgcefkz.dll, PE32 24->31 dropped 29 cvtres.exe 1 24->29         started        file11 signatures12 process13
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811/
Threat name:
Script-JS.Trojan.Cryxos
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Status:
Malicious
First seen:
2026-08-21 13:42:05 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2t4b6imnhy5zcdqel4lrtblnxt5zppw7z7glbl6scw4wi5wijaiq._file
Result
Malware family:
xworm
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Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260822-nacx3axzhz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
217.60.195.237:443
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/d4f81f218d3e3b910e045f1719856dbcfb97bedfcfccb0afd215b96476c84811

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
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Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Detect_PowerShell_Obfuscation
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Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
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Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
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Author:ditekSHen
Description:Detects XWorm
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:Njrat
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Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
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Rule name:rat_win_xworm_v3
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Author:Sekoia.io
Description:Finds XWorm (version XClient, v3) samples based on characteristic strings
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
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Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
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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
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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
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Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
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Author:jeFF0Falltrades

File information

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

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