MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd
SHA3-384 hash: 79649629d819f795fbd83de808f01731a6b540dc1772b1958c833dae5bc902b1930c9a147d24104c3e153f4652fa3967
SHA1 hash: 69ae8af0412f94ac0722842b94c94c5cfa508f06
MD5 hash: e20dce1087c2f13dcfe2452a8b6662f1
humanhash: nineteen-papa-helium-winner
File name:e20dce1087c2f13dcfe2452a8b6662f1.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:76'288 bytes
First seen:2025-08-10 01:00:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:SCbZmqEcPH8CheIvS94yNb/7haKHJm4W64rzFOZzg0uKUop:SCb99H86eIvAb/7gKHAxOZc07jp
TLSH T109736B1C3BD54529E2FFAFB44DE13253CA39F7236903D21F24D5029A4A23A89CD51AF5
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:
147.50.253.17:9723

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.50.253.17:9723 https://threatfox.abuse.ch/ioc/1566769/

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd.exe
Verdict:
Malicious activity
Analysis date:
2025-08-10 01:02:10 UTC
Tags:
evasion auto-startup auto-reg xworm
Link:
https://app.any.run/tasks/72de4b28-90f0-41b4-bf4c-3b5ad6b7c882

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/19921/
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10002982-0
Create hunting rule

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

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

Win.Dropper.Nanocore-10024427-0
Create hunting rule

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

Win.Packed.Msilzilla-10024808-0
Create hunting rule

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

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6897ef4ec633abe3908d67ac
Tags:
asyncrat dropper virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Connection attempt to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat bladabindi fingerprint lolbin njrat obfuscated obfuscated obfuscated schtasks vbnet xworm
Link:
https://www.filescan.io/uploads/6897ef4733ecf0a15b75ba01/reports/0cc4f5a1-1949-4a92-a6cf-2568383d4179/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53c8671f-56aa-4e4d-945d-65bdf2421797
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753886
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the user root directory
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
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753886 Sample: eF7ywUwyxT.exe Startdate: 10/08/2025 Architecture: WINDOWS Score: 100 40 ip-api.com 2->40 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 12 other signatures 2->54 8 eF7ywUwyxT.exe 15 6 2->8         started        13 csrssx.exe 2->13         started        15 svchost.exe 1 1 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 42 147.50.253.17, 49722, 9723 CSLOX-IDC-AS-APCSLOXINFOPublicCompanyLimitedTH Thailand 8->42 44 ip-api.com 208.95.112.1, 49714, 80 TUT-ASUS United States 8->44 38 C:\Users\user\csrssx.exe, PE32 8->38 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->58 60 Protects its processes via BreakOnTermination flag 8->60 62 Bypasses PowerShell execution policy 8->62 68 4 other signatures 8->68 19 powershell.exe 23 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 2 other processes 8->26 64 Antivirus detection for dropped file 13->64 66 Multi AV Scanner detection for dropped file 13->66 46 127.0.0.1 unknown unknown 15->46 file6 signatures7 process8 signatures9 56 Loading BitLocker PowerShell Module 19->56 28 conhost.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd
Verdict:
inconclusive
YARA:
13 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.97 Win 32 Exe x86
Link:
https://app.malva.re/file/e20dce1087c2f13dcfe2452a8b6662f1
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 16:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 36 (88.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iipnozxr2oyohxcwgbow3i7pnussattkzzkoyc7u4kjogv7d7doq._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 rat trojan
Link:
https://tria.ge/reports/250810-bc51eatwbz/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
147.50.253.17:9723
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1 External_IP_Lookup
YARA:
EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/506fe482-fe2d-414c-90f4-4080ea57d3e2
Unpacked files
SH256 hash:
421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd
MD5 hash:
e20dce1087c2f13dcfe2452a8b6662f1
SHA1 hash:
69ae8af0412f94ac0722842b94c94c5cfa508f06
Detections:
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/334a17ef-1ac2-4169-af1c-975dd5452350/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/421ed766f1d3/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/421ed766f1d3b0e3dc56305d6da3ef6d25204e6ace54ec0bf4e292e357e3f8dd

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:EXE_RAT_XWorm_April2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
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/19921/

Comments