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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb
SHA3-384 hash: 6274b94c811213dd80eca08dc84559e3b1b7ca4f3ed1493fc0813afc61ce3e8252f8222536de19305c95e89696708616
SHA1 hash: 877704447b9ba95c04498f1c62d8b5daea8c329e
MD5 hash: d287532464aab94b3cf444f83d7d6939
humanhash: hot-ink-florida-iowa
File name:kryo_crypted_fgow4o24.bat
Download: download sample
Signature XWorm
Create hunting rule
File size:72'824 bytes
First seen:2025-11-27 23:32:15 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 1536:vYyRPOPdacLgK42kKPbk9/XSbjDrJf0EleAmPgUU0NCZiyp:vRRoYcMl2JPby2XOcexPgUUMCIyp
TLSH T1BE63D104A2C15FB5FFB52D19E07FA18E13FE09C286206DCDE53A7A1D2BDB2C8525E254
Magika batch
Reporter smica83
Tags:bat xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kryo_crypted_fgow4o24.bat
Verdict:
Malicious activity
Analysis date:
2025-11-27 23:33:39 UTC
Tags:
auto-startup remote xworm
Link:
https://app.any.run/tasks/25e1c0bd-73ce-4438-adec-f419612df7c4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41688/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6928dfba6cb1dcd57781bc07
Tags:
obfuscate autorun xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Creating a file
Launching a service
Сreating synchronization primitives
Creating a process with a hidden window
DNS request
Creating a file in the %AppData% directory
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 base64 evasive evasive obfuscated persistence powershell powershell timeout
Link:
https://www.filescan.io/uploads/6928dfb81b65ca0bb925e260/reports/4c35d46f-bb72-4379-a8aa-8c1348edfc08/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-27T20:51:00Z UTC
Last seen:
2025-11-29T00:28:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb Trojan.BAT.Agent.sb HEUR:Trojan.PowerShell.Generic Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Agent.gen Backdoor.Agent.TCP.C&C HackTool.PowerShell.AmsiBypass.sb Backdoor.MSIL.XWorm.c
Link:
https://opentip.kaspersky.com/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1821947
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Powershell is started from unusual location (likely to bypass HIPS)
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1821947 Sample: kryo_crypted_fgow4o24.bat Startdate: 28/11/2025 Architecture: WINDOWS Score: 100 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 13 other signatures 2->71 8 cmd.exe 3 2->8         started        12 XWormClient.exe 2->12         started        14 XWormClient.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 57 C:\Users\user\AppData\...\nx_cxgqg4l0a6.vbs, ASCII 8->57 dropped 59 C:\Users\user\...\qn_9gto5htcuoknu.txt, ASCII 8->59 dropped 85 Suspicious powershell command line found 8->85 87 Command shell drops VBS files 8->87 89 Drops VBS files to the startup folder 8->89 97 2 other signatures 8->97 19 powershell.exe 1 21 8->19         started        24 powershell.exe 16 8->24         started        26 powershell.exe 15 8->26         started        32 2 other processes 8->32 91 Powershell is started from unusual location (likely to bypass HIPS) 12->91 93 Reads the Security eventlog 12->93 95 Reads the System eventlog 12->95 28 conhost.exe 12->28         started        30 conhost.exe 14->30         started        61 127.0.0.1 unknown unknown 16->61 file5 signatures6 process7 dnsIp8 63 45.61.52.211, 49721, 80 NETROUTING-ASNL United States 19->63 51 C:\Users\user\AppData\...\XWormClient.exe, PE32+ 19->51 dropped 75 Protects its processes via BreakOnTermination flag 19->75 77 Adds a directory exclusion to Windows Defender 19->77 34 powershell.exe 22 19->34         started        37 powershell.exe 23 19->37         started        39 powershell.exe 19->39         started        41 2 other processes 19->41 53 C:\Users\user\AppData\...\lx_jgvlhvag.ps1, Unicode 24->53 dropped 79 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->79 81 Found suspicious powershell code related to unpacking or dynamic code loading 24->81 83 Powershell drops PE file 24->83 55 C:\Users\user\AppData\...\ny_tvpzuadbk8.ps1, Unicode 26->55 dropped file9 signatures10 process11 signatures12 73 Loading BitLocker PowerShell Module 34->73 43 conhost.exe 34->43         started        45 conhost.exe 37->45         started        47 conhost.exe 39->47         started        49 conhost.exe 41->49         started        process13
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dviiziqfz53ic7m2y3tb7k7d6wa3ajgkvgmhrxexsdn4mill7xfq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm defense_evasion execution persistence rat trojan
Link:
https://tria.ge/reports/251127-3jxfdssrgy/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
Executes dropped EXE
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
45.61.52.211:80
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/1d508ca205cf76817d9ac6e61fabe3f581b024caa99878dc9790dbc6216bfdcb

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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)

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/41688/

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