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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8342acd2dde4b63d58b11bb83626aa61cd4a7ed33ba42df5eec4b3ad3e934df. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments

SHA256 hash: b8342acd2dde4b63d58b11bb83626aa61cd4a7ed33ba42df5eec4b3ad3e934df
SHA3-384 hash: 06e928188b0dc4ece516fd42d124005cabec30a4c00e2a2d539a8d6ac1f59bcfb54c36701df973cebae5d2bb944fa115
SHA1 hash: 139dd46a2f8b37e2a0588bdba63a3129f78fdd88
MD5 hash: 6c454e29e3a9662e35a1b1f2a947fc9a
humanhash: pizza-tango-music-batman
File name:PO_00938848KGB_pdf.vbs
Download: download sample
Signature AsyncRAT
File size:2'497'013 bytes
First seen:2026-04-20 15:08:47 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 96:84+EWOK+WAmvOzI7nsQZFlA65/Y3viHRQqlv2S:HK+y2zaQwuhVS
TLSH T102C5546A27F90087C1E5FE4FBE5B49CADFE6B9A427679C43526CE5C204C4D00D980FA6
Magika txt
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware autorun shell sage
Gathering data
Verdict:
Malicious
File Type:
text.utf8
First seen:
2026-04-20T05:14:00Z UTC
Last seen:
2026-04-20T21:35:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic Trojan.VBS.SAgent.sb
Result
Threat name:
Detection:
malicious
Classification:
spre.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 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
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 XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1901278 Sample: PO_00938848KGB_pdf.vbs Startdate: 20/04/2026 Architecture: WINDOWS Score: 100 45 valfanto.com 2->45 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 14 other signatures 2->59 8 wscript.exe 1 1 2->8         started        11 powershell.exe 14 15 2->11         started        14 wscript.exe 1 1 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 71 Suspicious powershell command line found 8->71 73 Wscript starts Powershell (via cmd or directly) 8->73 75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->75 83 3 other signatures 8->83 18 powershell.exe 13 8->18         started        49 valfanto.com 45.136.5.4, 49687, 49697, 49698 AS209737TR Turkey 11->49 77 Writes to foreign memory regions 11->77 79 Injects a PE file into a foreign processes 11->79 22 CasPol.exe 11->22         started        24 CasPol.exe 4 11->24         started        27 conhost.exe 11->27         started        81 Detected large data written to user environment variables, potentially indicating payload staging for fileless execution 14->81 29 powershell.exe 14->29         started        51 127.0.0.1 unknown unknown 16->51 signatures6 process7 dnsIp8 41 C:\...\PO_00938848KGB_pdf.vbs:Zone.Identifier, ASCII 18->41 dropped 43 C:\Users\user\...\PO_00938848KGB_pdf.vbs, CSV 18->43 dropped 61 Drops VBS files to the startup folder 18->61 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 18->63 31 conhost.exe 18->31         started        65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->65 47 45.141.148.126, 1122, 49695 AS209737TR Turkey 24->47 67 Writes to foreign memory regions 29->67 69 Injects a PE file into a foreign processes 29->69 33 CasPol.exe 3 29->33         started        35 conhost.exe 29->35         started        37 CasPol.exe 29->37         started        39 CasPol.exe 29->39         started        file9 signatures10 process11
Gathering data
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-04-20 13:00:11 UTC
File Type:
Binary
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Malware Config
C2 Extraction:
45.141.148.126:1122
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
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: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:Windows_Trojan_XWorm_b7d6eaa8
Author:Elastic Security
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
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