MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82. 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


Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82
SHA3-384 hash: 58629c110858729826e621c0f861aef4d452da82c18417b54a4d22b7ed7ed697467998826c6d4be476462ff30c815c84
SHA1 hash: c011e326cd4c1bf64f3d069dac1680757a04f45e
MD5 hash: 3dc20f50073fc6098297e184413c605b
humanhash: timing-kitten-massachusetts-twelve
File name:WMIEventLog.vbs
Download: download sample
File size:2'243'229 bytes
First seen:2025-06-10 05:20:46 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:PzMywlTSJc7dExt/YZrx8Q/qkY53DSff4NJV53KJ2VA8unMUC9u54e2/SD8hY1:1JydAZ0xvgNduI4V4hW
TLSH T1E2A5F1CFBD0E9694546222FA68158496F2CC43E67301D762FD3CC49173AA8F8D96B3D2
Magika vba
Reporter abuse_ch
Tags:vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8170/
Detection(s):
SecuriteInfo.com.Heur.13010.13857.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31963.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6847c17007b5e8c1cfe600a7
Tags:
obfuscate xtreme spawn
Verdict:
Suspicious
Labled as:
Trojan.Script.Donoff
Link:
https://www.hybrid-analysis.com/sample/21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1710432
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
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: 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)
VBScript performs obfuscated calls to suspicious functions
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:
Download SVG
Score:
59%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehfv4kdntanjg2ee7ouj7anfo4dg7omwl6lawaqrbutf57sqvkba._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/250610-f2dpnsgr5t/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
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/21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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:Warp
Create hunting rule
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Create hunting rule
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

Visual Basic Script (vbs) vbs 21cb5e286d981a936884fba89f81a577066fb9965f960b02110d265efe50aa82

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560097/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3560096/
Cape
Cape
https://www.capesandbox.com/analysis/8170/

Comments