MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21bb0341da3a8fcd8abe41537c7a5abebbef20234f5a3565cc46db7da184453b. 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: 20


Intelligence 20 IOCs 1 YARA 17 File information Comments 1

SHA256 hash: 21bb0341da3a8fcd8abe41537c7a5abebbef20234f5a3565cc46db7da184453b
SHA3-384 hash: 6afef3032d2b5fad97565b9a0ae9f48554d44d36f27550d3fa244b9c35de2fbd5b0e8cbd3413e4d3b3551898b596e52e
SHA1 hash: 3a24c1dbd0a2aa150c8d9d9d68e211f9d9eff918
MD5 hash: e81172ae20348947aa499c2c71ae7675
humanhash: lion-shade-batman-lemon
File name:System Settings.exe
Download: download sample
Signature XWorm
File size:59'904 bytes
First seen:2025-09-18 13:42:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:ggyGDIh6caHU0JpjuXSQkEFZl968VOhhQDbjSVqhm6d37:RyHw00oVFz96KOh6vjSIo6h7
TLSH T19C433848B7917611F8EE6FB845E351360634FE13A913EBDF0BE072C6DB7A6C089116A1
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter burger
Tags:exe xworm

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
147.185.221.19:17983 https://threatfox.abuse.ch/ioc/1595044/

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://rebrand.ly/i16zkxb
Verdict:
Malicious activity
Analysis date:
2025-09-18 13:34:34 UTC
Tags:
stealer remote xworm ims-api generic zerotrace api-base64 crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint lolbin njrat njrat rat reconnaissance schtasks vbnet xworm
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T10:37:00Z UTC
Last seen:
2025-09-18T10:37:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Trojan-Ransom.MSIL.Blocker.gen HEUR:Backdoor.MSIL.XClient.b Backdoor.MSIL.XWorm.b Trojan-Banker.Win32.Express.sb Trojan-Banker.MSIL.ClipBanker.sb PDM:Trojan.Win32.Tasker.cust Backdoor.Agent.TCP.C&C VHO:Backdoor.MSIL.XClient.gen Trojan.Agent.UDP.C&C PDM:Trojan.Win32.Generic
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
njRat
YARA:
17 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.22 Win 32 Exe x86 XWorm
Malware Config
C2 Extraction:
CNC: copy-victor.gl.at.ply.gg
PORT: 17983
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-09-18 13:41:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
34 of 37 (91.89%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
copy-victor.gl.at.ply.gg:17983
Verdict:
Unknown
Tags:
rat xworm
YARA:
MALWARE_Win_XWorm win_mal_XWorm
Unpacked files
SH256 hash:
21bb0341da3a8fcd8abe41537c7a5abebbef20234f5a3565cc46db7da184453b
MD5 hash:
e81172ae20348947aa499c2c71ae7675
SHA1 hash:
3a24c1dbd0a2aa150c8d9d9d68e211f9d9eff918
Detections:
win_xworm_a0 win_xworm_w0
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

XWorm

Executable exe 21bb0341da3a8fcd8abe41537c7a5abebbef20234f5a3565cc46db7da184453b

(this sample)

Comments



Avatar
commented on 2025-09-18 13:45:55 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "21bb0341da3a8fcd8abe41537c7a5abebbef20234f5a3565cc46db7da184453b",
"yara_possible_family": "xworm",
"key": "5da0e5a690e944fd9e4840e4057e7e5da0e5a690e944fd9e4840e4057e7e1300",
"salt": "None",
"config": {
"Hosts": [
"copy-victor.gl.at.ply.gg"
],
"Ports": [
"17983"
],
"KEY": "<666666>",
"SPL": "<XWormmm>",
"Sleep": "1",
"Group": "XWorm V6.4",
"USBNM": "USB.exe",
"InstallDir": "%ProgramData%",
"InstallStr": "SystemSettings.exe",
"Mutex": "QBKHIVSlsvtDTVJE",
"BTC": "bc1qwlu8lty8x8zz32ltzqnp3akcw5pfgpj062xpjn",
"ETH": "0x23d7B5EB766DD0522cf46Dcf097Ea23A373F71dA",
"TRC": "TCoSSQKggJEZWk4WeuMKsQBKAvWyJsjVCZ"
}
}