MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8
SHA3-384 hash: 6baf913448a49b5c5e0f938ce721f94c2a0aa589e769094c113ab7ca7ef6219550199f0ac2941a9b0d7ac2a497a90039
SHA1 hash: 6bb090f576953c71f7432472093a12b77d711fdf
MD5 hash: 50a9e99075ac96a53b0d8da1e428b1ba
humanhash: romeo-lamp-hydrogen-table
File name:SecurityHealthSystray.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:225'792 bytes
First seen:2025-08-24 09:20:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:flT+b90HiTVVmVVV8VVNVVVcVVVxVVVPVVlVVVRVVVtVVWV60jVLVVOVVUVZVVVg:lk
TLSH T152244581DE48548BDC399F31E2B0F7650B7BEAD0B8DA9FAC106D3D2D7C94A409802779
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 abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
147.185.221.31:12480

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.185.221.31:12480 https://threatfox.abuse.ch/ioc/1573438/

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecurityHealthSystray.exe
Verdict:
Malicious activity
Analysis date:
2025-08-24 09:04:55 UTC
Tags:
auto-startup xworm
Link:
https://app.any.run/tasks/a349b1da-949a-4510-a69c-618aed9a059a

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/23229/
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68aad5b66eed937d746d5a39
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T06:11:00Z UTC
Last seen:
2025-08-24T06:11:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.MSIL.XWorm.gen HEUR:Backdoor.MSIL.XClient.b Backdoor.MSIL.XWorm.c Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a
Link:
https://opentip.kaspersky.com/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8/results?tab=lookup
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b92ab06c-dccc-449a-85eb-71732255377b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1763897
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)
Contains functionality to capture screen (.Net source)
Drops PE files to the user root directory
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8
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: opinion-stolen.gl.at.ply.gg
PORT: 12480
Link:
https://app.malva.re/file/50a9e99075ac96a53b0d8da1e428b1ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-08-24 09:04:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54fe4qrvmfuwr5pbhojx3kzjgvw5nu7p4w3sleb2d3rb7g7duhma._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm defense_evasion execution rat trojan
Link:
https://tria.ge/reports/250824-lelpnasyay/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
opinion-stolen.gl.at.ply.gg:12480
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm
Link:
https://app.threat.zone/submission/28db2cfd-507e-4d40-8dc6-f2122b8091ab
Unpacked files
SH256 hash:
ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8
MD5 hash:
50a9e99075ac96a53b0d8da1e428b1ba
SHA1 hash:
6bb090f576953c71f7432472093a12b77d711fdf
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/0b39fc87-dfa8-4f47-a62d-37fa98f02fa8/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef0a4e423561/report/overview.html
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/ef0a4e4235616968f5e13b937dab29356dd6d3efe5b725903a1ee21f9be3a1d8

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
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:CP_AllMal_Detector
Create hunting rule
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
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

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/23229/

Comments