MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 502ea40b18677aae31abd50b9c645760a204c4a92b661541631fe6e215df88bf. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 502ea40b18677aae31abd50b9c645760a204c4a92b661541631fe6e215df88bf
SHA3-384 hash: 1f4cd8cb58c33b034e8f2a17899f021a49f22978d954f2bf1138f33b3ea35019cce9fd459c88fa87fe93b35b6c9aaea6
SHA1 hash: a08b98377d441cf93da444244b9664292456024e
MD5 hash: 4deb12aa307d26a2b941f1688d9e89ce
humanhash: lion-minnesota-spring-maryland
File name:rtt_816223854.bat
Download: download sample
File size:6'367 bytes
First seen:2025-03-23 21:16:12 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 96:ODu18Rs02/MYb6vGq9D3858hioVdrEFvZX13Xw1LHLwp5ehLUs:k6/CIG932ZXRwZ
TLSH T196D166AB3CD4E5319BD206BB4A346908BFDDE20F40201FD872C0B47E6B886D9967759D
Magika batch
Reporter smica83
Tags:bat CZE

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rtt_816223854.bat
Verdict:
Malicious activity
Analysis date:
2025-03-23 21:18:33 UTC
Tags:
antivm
Link:
https://app.any.run/tasks/06494298-2eb3-4127-ab72-9ba887ff8901

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e24607bb84e066269eb957
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Enabling the 'hidden' option for recently created files
Running batch commands
Creating a file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to interact with network services
Launching a tool to kill processes
Blocking the Windows Defender launch
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm attrib cmd lolbin net persistence powershell schtasks taskkill timeout wmic
Link:
https://www.filescan.io/uploads/67e07a57fae452b82c21336f/reports/6abf9805-5646-47af-87d2-cc5ed572a44c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/502ea40b18677aae31abd50b9c645760a204c4a92b661541631fe6e215df88bf
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1646319
Signature
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
Joe Sandbox ML detected suspicious sample
May disable shadow drive data (uses vssadmin)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Windows Service Tampering
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Uses attrib.exe to hide files
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1646319 Sample: rtt_816223854.bat Startdate: 23/03/2025 Architecture: WINDOWS Score: 88 65 Sigma detected: Drops script at startup location 2->65 67 Joe Sandbox ML detected suspicious sample 2->67 69 Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder 2->69 71 Sigma detected: Suspicious Windows Service Tampering 2->71 7 cmd.exe 8 2->7         started        11 cmd.exe 1 2->11         started        13 cmd.exe 2->13         started        15 svchost.exe 1 1 2->15         started        process3 file4 55 C:\Users\user\AppData\Roaming\rtt.bat, DOS 7->55 dropped 57 C:\Users\user\AppData\Roaming\...\rtt.bat, DOS 7->57 dropped 59 C:\Users\user\AppData\Local\klog.txt, ASCII 7->59 dropped 61 C:\Users\Public\rtt_2254720824.bat, DOS 7->61 dropped 75 May disable shadow drive data (uses vssadmin) 7->75 77 Drops script or batch files to the startup folder 7->77 79 Uses cmd line tools excessively to alter registry or file data 7->79 81 3 other signatures 7->81 17 cmd.exe 1 7->17         started        19 cmd.exe 7->19         started        21 curl.exe 1 7->21         started        30 29 other processes 7->30 24 cmd.exe 11->24         started        26 cmd.exe 11->26         started        28 cmd.exe 11->28         started        32 12 other processes 11->32 34 6 other processes 13->34 signatures5 process6 dnsIp7 36 powershell.exe 7 17->36         started        39 WMIC.exe 19->39         started        63 127.0.0.1 unknown unknown 21->63 41 powershell.exe 24->41         started        43 powershell.exe 26->43         started        45 powershell.exe 28->45         started        47 powershell.exe 7 30->47         started        49 9 other processes 30->49 51 2 other processes 32->51 53 2 other processes 34->53 process8 signatures9 73 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 36->73
Score:
73%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/502ea40b18677aae31abd50b9c645760a204c4a92b661541631fe6e215df88bf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/502ea40b18677aae31abd50b9c645760a204c4a92b661541631fe6e215df88bf/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kaxkicyym55k4mnl2ufzyzcxmcrajrfjfntbkqldd7toefo7rc7q._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion evasion execution persistence trojan
Link:
https://tria.ge/reports/250323-z437wszmv4/
Behaviour
Kills process with taskkill
Runs net.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Launches sc.exe
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Obfuscated Files or Information: Command Obfuscation
Drops startup file
Modifies Windows Defender DisableAntiSpyware settings
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:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments