MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f63740392bb5974a1c10ef9d0a26394f1ddb548c6121d31a4a845d86cd00bd. 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 4 File information Comments

SHA256 hash: c3f63740392bb5974a1c10ef9d0a26394f1ddb548c6121d31a4a845d86cd00bd
SHA3-384 hash: 3fc8a4c9f69f0174fe2b65ffea3910e4e2d77f54707a322c1c541223e96af386f70d5dff364c6be5c8276128c7456fa6
SHA1 hash: d174db302b8d06b8b17e21dd9db2e491792acc18
MD5 hash: 56952d976a7af65249c9b5d04146bd3e
humanhash: king-carolina-seven-magazine
File name:WMIEventLog.vbs
Download: download sample
Signature AsyncRAT
File size:3'599'073 bytes
First seen:2025-06-13 06:31:59 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:5wvj+5T8ME3MGV2gkfcEc7rXu9i//hnO9nqMqj1GiCnzH8LIGkb+WhFy11TQBgAj:BfGV2gsyH3I9qM488L+KWEaEr0kmK2r
TLSH T1CFF5F1CF7D0D9A98885232FA68258552F2CC43E17305DBB2FD7CC59073998B8D96B392
Magika vba
Reporter abuse_ch
Tags:AsyncRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Labled as:
HEUR_TrojanDownloader_Script_Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713880 Sample: WMIEventLog.vbs Startdate: 13/06/2025 Architecture: WINDOWS Score: 100 20 paste.ee 2->20 22 pki-goog.l.google.com 2->22 24 3 other IPs or domains 2->24 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected UAC Bypass using CMSTP 2->34 36 Yara detected Powershell download and execute 2->36 40 10 other signatures 2->40 8 wscript.exe 1 2->8         started        signatures3 38 Connects to a pastebin service (likely for C&C) 20->38 process4 dnsIp5 26 paste.ee 23.186.113.60, 443, 49692, 49693 KLAYER-GLOBALNL Reserved 8->26 42 System process connects to network (likely due to code injection or exploit) 8->42 44 Suspicious powershell command line found 8->44 46 Wscript starts Powershell (via cmd or directly) 8->46 48 3 other signatures 8->48 12 powershell.exe 14 16 8->12         started        16 conhost.exe 8->16         started        signatures6 process7 dnsIp8 28 archive.org 207.241.224.2, 443, 49694 INTERNET-ARCHIVEUS United States 12->28 30 dn721404.ca.archive.org 204.62.246.237, 443, 49695 COGENT-174US United States 12->30 50 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 12->50 52 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 12->52 54 Found suspicious powershell code related to unpacking or dynamic code loading 12->54 18 conhost.exe 12->18         started        signatures9 process10
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2025-06-12 20:06:00 UTC
File Type:
Text (VBS)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:news tar reg discovery execution rat
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
wmieventlogonlinehelp.duckdns.org:1000
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:RANSOMWARE
Author:ToroGuitar
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:Warp
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Author:Seth Hardy
Description:Warp Identifying Strings

File information


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

Web download

AsyncRAT

Visual Basic Script (vbs) vbs c3f63740392bb5974a1c10ef9d0a26394f1ddb548c6121d31a4a845d86cd00bd

(this sample)

Comments