MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71. 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


XWorm


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71
SHA3-384 hash: 75baf2a52dafdedcf1b623ffb35fe8e37ee49b4f257a2565b8ba7342bc2091fb4e4c2ca7b9d571a02559a783bd8259de
SHA1 hash: 33122d53a991f31665de2bcc634c15d2de23665f
MD5 hash: 659a2885380e53f39d58601bdcc72e02
humanhash: chicken-fourteen-thirteen-hot
File name:thingy.bat
Download: download sample
Signature XWorm
Create hunting rule
File size:200'053 bytes
First seen:2025-04-06 15:11:02 UTC
Last seen:2025-04-07 11:09:09 UTC
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 3072:Adr69RrCyDkQMNdxYKBcDf/YMPialfSE+4YYt6AgXqYuUK7n272WL5Fh:7rCkpXDf/3ZHt6Agaxo5P
Threatray 1'313 similar samples on MalwareBazaar
TLSH T1FA143A103E5059F85BECDA4B484DDA1DD391470B9522ACBEF203EF206F696C941FE29E
Magika batch
Reporter smica83
Tags:83-147-240-230 bat xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
146
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
thingy.bat
Verdict:
Suspicious activity
Analysis date:
2025-04-06 15:14:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fea9f593-9e49-4139-a29a-28d7c1048c37

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/938/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f299aca695a0cd1fab6957
Tags:
asyncrat shell spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
certutil certutil cmd evasive lolbin wmic
Link:
https://www.filescan.io/uploads/67f2998d2d430c849e08f948/reports/c9afa461-7293-4314-810f-62306453b098/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1657819
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Protects its processes via BreakOnTermination flag
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
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: Legitimate Application Dropped Executable
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1657819 Sample: thingy.bat Startdate: 06/04/2025 Architecture: WINDOWS Score: 100 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 15 other signatures 2->63 8 cmd.exe 2 2->8         started        10 RelTekAudio.exe 2->10         started        13 RelTekAudio.exe 2->13         started        15 2 other processes 2->15 process3 signatures4 17 embedded.exe 1 6 8->17         started        22 cmd.exe 1 8->22         started        24 certutil.exe 2 8->24         started        26 5 other processes 8->26 69 Antivirus detection for dropped file 10->69 71 Multi AV Scanner detection for dropped file 10->71 process5 dnsIp6 55 83.147.240.230, 49723, 7000 BAHARNETIR Iran (ISLAMIC Republic Of) 17->55 51 C:\ProgramData\RelTekAudio.exe, PE32 17->51 dropped 65 Protects its processes via BreakOnTermination flag 17->65 67 Adds a directory exclusion to Windows Defender 17->67 28 powershell.exe 23 17->28         started        31 powershell.exe 23 17->31         started        33 powershell.exe 17->33         started        39 2 other processes 17->39 35 WMIC.exe 1 22->35         started        37 find.exe 1 22->37         started        53 C:\Program Files\embedded.exe, PE32 24->53 dropped file7 signatures8 process9 signatures10 73 Loading BitLocker PowerShell Module 28->73 41 conhost.exe 28->41         started        43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        75 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 35->75 47 conhost.exe 39->47         started        49 conhost.exe 39->49         started        process11
Score:
90%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71/
Threat name:
Win32.Dropper.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-06 00:48:06 UTC
File Type:
Text (Batch)
AV detection:
1 of 36 (2.78%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmr77e3wxx6wixvhwrjf2kzfafjojufgm5glpaqjlqnkmsvwhjyq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
234ea596c74a48e69cee880ce2bf83bfa7cc616220655726ee8e8e57b4fea1be
XWorm
262b4d8a9abb9d6322b5a1b996d160edab3db7df4d56bba3138b334defe19499
XWorm
2cbcd7e0c5846c527b21d664282fbdd4e7dacb4ae431056bed06a483928aae71
XWorm
3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71
XWorm
89fc33974bcf5dd0708847f3854b396dcaa975339b0ba49692da3500a668eea4
XWorm
b441286aabb98412e776416156f146541e48fef3e1d7697d8e9d97e4b4087987
XWorm
error
XWorm
f6a6c6c6fd7616f6ea65202084c002ecd91c52f6a34675342a83763baa067054
XWorm
f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4
XWorm
+ 1'303 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250406-skmbpstqs3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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/3b23ff9376bdfd645ea7b4525d2b250152e4d0a6674cb782095c1aa64ab63a71

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:Certutil_Decode_OR_Download
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Certutil Decode
Reference:Internal Research

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/938/

Comments