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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8. 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
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SHA256 hash: 299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8
SHA3-384 hash: d066201de0c71a8a4a759d4207f8a59faaaf616dee902c5b4e5a2f2c1d15aea40a723e748ae182b8557690604f1d8607
SHA1 hash: 300dcaebf5ffa392fb5e035bba4446dc223b5471
MD5 hash: 7bcebcf1fff84bf4444ef4f1e67d5e22
humanhash: south-football-single-mobile
File name:Official Signed Contract and Agreement Document..js
Download: download sample
Signature AsyncRAT
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File size:726'626 bytes
First seen:2026-05-20 13:39:24 UTC
Last seen:2026-05-21 06:26:54 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:yB8UNdF8zMEtg0ps35UH6fbEskVRIqlhX2hEZDWOjKN0JtMSr/VX37jstREJnwDU:yGIdO
TLSH T1BBF4375203851BBDF6CD0EC9C94B255B20F2D46B7D251298EBB36EE7BC3B9849430636
Magika javascript
Reporter threatcat_ch
Tags:AsyncRAT js xworm

Intelligence

File Origin
# of uploads :
3
# of downloads :
167
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31320.UNOFFICIAL
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Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0db9cc4f2b29ce0401c330
Tags:
obfuscate keylog word
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted evasive lolbin masquerade obfuscated persistence repaired schtasks wscript
Link:
https://www.filescan.io/uploads/6a0db9caefbd399b39bf8443/reports/87f34c46-7dec-44e0-b355-c22e74e0be7a/overview
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8
Verdict:
Malicious
File Type:
text
First seen:
2026-05-20T07:26:00Z UTC
Last seen:
2026-05-22T07:40:00Z UTC
Hits:
~1000
Detections:
Trojan-Dropper.Win32.Agent.sb Backdoor.MSIL.XWorm.b Trojan.VBS.SAgent.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8/results?tab=lookup
Result
Threat name:
XWorm
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1916411
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
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
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
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: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Uses schtasks.exe or at.exe to add and modify task schedules
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1916411 Sample: Official Signed Contract an... Startdate: 20/05/2026 Architecture: WINDOWS Score: 100 45 worksodsirius.ydns.eu 2->45 47 shed.dual-low.part-0012.t-0009.t-msedge.net 2->47 49 9 other IPs or domains 2->49 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 12 other signatures 2->59 9 wscript.exe 1 8 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\Task_46097.xml, XML 9->37 dropped 39 C:\Users\user\AppData\...\PhotoStudio.vbs, ASCII 9->39 dropped 41 C:\Users\user\AppData\...\PhotoStudio.js, ASCII 9->41 dropped 43 C:\Users\user\AppData\...\Interface_LIB.ps1, Unicode 9->43 dropped 63 JScript performs obfuscated calls to suspicious functions 9->63 65 Wscript starts Powershell (via cmd or directly) 9->65 67 Windows Shell Script Host drops VBS files 9->67 71 4 other signatures 9->71 15 powershell.exe 7 9->15         started        18 schtasks.exe 1 9->18         started        69 WScript reads language and country specific registry keys (likely country aware script) 13->69 20 wscript.exe 2 13->20         started        signatures6 process7 file8 73 Writes to foreign memory regions 15->73 75 Injects a PE file into a foreign processes 15->75 23 MSBuild.exe 2 15->23         started        27 conhost.exe 15->27         started        29 conhost.exe 18->29         started        35 C:\Users\user\AppData\...\Task_94972.xml, XML 20->35 dropped 77 WScript reads language and country specific registry keys (likely country aware script) 20->77 31 schtasks.exe 1 20->31         started        signatures9 process10 dnsIp11 51 worksodsirius.ydns.eu 41.216.188.79, 4449, 49728 AUROLOGICaurologicGmbHDE Germany 23->51 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->61 33 conhost.exe 31->33         started        signatures12 process13
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgoymissbqw2zc2ko4ufxphg2s666vpvrslllgyk37vyluyoehea._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260520-qyl7raey5w/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
worksodsirius.ydns.eu:4449
Malware family:
XWorm
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/299d8622520c/report/overview.html
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/299d8622520c2dac8b4a77285bbce6d4bdef55f58c96b59b0adfeb85d30e21c8

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
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:VECT_Ransomware
Create hunting rule
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_bytestring
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Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
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Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
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Author:jeFF0Falltrades
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

File information

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

Comments