MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2. 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: 10


Intelligence 10 IOCs YARA 20 File information Comments
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SHA256 hash: 658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2
SHA3-384 hash: 5cb09d1686ce56a0ee1d5b9298f612ed525d65ae86b2776a0e705223c9e0d729a160664d2d38cbb6fead1974bc535449
SHA1 hash: 71e5fecdb0be0fcd9825862ebf102743bfbc6a1c
MD5 hash: b5c0025dfc1972ca77e7e27d23656cb7
humanhash: seven-finch-georgia-sixteen
File name:WhatsApp image New PO 38359257N0.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'720'299 bytes
First seen:2026-05-08 10:32:45 UTC
Last seen:2026-05-11 06:48:54 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 768:oynynynynynynynynynynynynynynynynynynynynynynynynynynynynynynyn9:Me
TLSH T166C52252BDCABC1269FF7B31CD23CC614B088293AB0E896ED08F1A459E6FD471195C97
Magika txt
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence

File Origin
# of uploads :
3
# of downloads :
22
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/64962/
Detection(s):
Sanesecurity.Rogue.0hr.20260508-1033.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Agent-106.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/69fdd6c1792fe2d217add86a/reports/d4503dbd-2f72-4b2d-914b-80d55ccaaa77/overview
Verdict:
Malicious
Labled as:
Agent
Link:
https://www.hybrid-analysis.com/sample/658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2
Verdict:
Malicious
File Type:
text.utf8
First seen:
2026-05-08T05:04:00Z UTC
Last seen:
2026-05-10T08:44:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1910724
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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)
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Drops VBS 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
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: Copy file to startup via Powershell
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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 Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1910724 Sample: WhatsApp image New PO 38359... Startdate: 08/05/2026 Architecture: WINDOWS Score: 100 51 tradedsglobal.com 2->51 53 keyauth.win 2->53 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 16 other signatures 2->67 9 wscript.exe 1 1 2->9         started        12 powershell.exe 14 15 2->12         started        15 wscript.exe 1 1 2->15         started        17 svchost.exe 1 1 2->17         started        signatures3 process4 dnsIp5 81 Suspicious powershell command line found 9->81 83 Wscript starts Powershell (via cmd or directly) 9->83 85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->85 93 3 other signatures 9->93 19 powershell.exe 13 9->19         started        57 tradedsglobal.com 45.136.5.4, 49681, 49696, 80 AS209737TR Turkey 12->57 87 Writes to foreign memory regions 12->87 89 Injects a PE file into a foreign processes 12->89 23 CasPol.exe 3 5 12->23         started        26 conhost.exe 12->26         started        91 Detected large data written to user environment variables, potentially indicating payload staging for fileless execution 15->91 28 powershell.exe 15->28         started        59 127.0.0.1 unknown unknown 17->59 signatures6 process7 dnsIp8 47 WhatsApp image New...vbs:Zone.Identifier, ASCII 19->47 dropped 49 C:\...\WhatsApp image New PO 38359257N0.vbs, CSV 19->49 dropped 69 Drops VBS files to the startup folder 19->69 30 conhost.exe 19->30         started        55 103.83.86.92, 3333, 49695 GELEXIY-AS-INGelexiyCabNetIN India 23->55 71 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->71 73 Tries to harvest and steal browser information (history, passwords, etc) 23->73 75 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 23->75 32 csc.exe 23->32         started        35 CasPol.exe 23->35         started        77 Writes to foreign memory regions 28->77 79 Injects a PE file into a foreign processes 28->79 37 CasPol.exe 3 28->37         started        39 conhost.exe 28->39         started        file9 signatures10 process11 file12 45 C:\Users\user\AppData\Local\Temp\CasPol.exe, PE32 32->45 dropped 41 conhost.exe 32->41         started        43 cvtres.exe 32->43         started        process13
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2/
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-05-08 11:21:53 UTC
File Type:
Binary
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwhvzrpafjcd66kwakrez62ch45kzlsx74hmub7tr7g7djvcp7za._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/260508-pl1zpscw3j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/658f5cc5e02a/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/658f5cc5e02a443f795602a24cfb423f3aacae57ff0eca07f38fcdf1a6a27ff2

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
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
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
Create hunting rule
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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
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: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:Windows_Trojan_XWorm_b7d6eaa8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
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.

Cape
Cape
https://www.capesandbox.com/analysis/64962/

Comments