MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d63994be3db3b03105b1b822d73a89cff59f1cb5d156162c92f556ee38bfc48a. 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 18 File information Comments

SHA256 hash: d63994be3db3b03105b1b822d73a89cff59f1cb5d156162c92f556ee38bfc48a
SHA3-384 hash: 3a6ad2acacf39d13374a03fb4b7cdfdd0162bd431e0d3603a411a46701ce66f4ed72a25fd4f3e8674e71e47833057da6
SHA1 hash: 3387e9d7cb30a30b1ba497b51a7e3e17576d4737
MD5 hash: 1e93b1b6c10c181b585b138672bf18a5
humanhash: skylark-maryland-low-black
File name:1e93b1b6c10c181b585b138672bf18a5.exe
Download: download sample
Signature XWorm
File size:89'088 bytes
First seen:2025-08-16 23:50:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'845 x AgentTesla, 19'778 x Formbook, 12'298 x SnakeKeylogger)
ssdeep 768:B8zTTECt1DdQBJ6peW1IIdpFPc9y16ZO9hgu3KnIB8t+pMHhGwflrLL0mrM:BYFAcFU9y16ZO93BZ7wfRLL0KM
Threatray 1'451 similar samples on MalwareBazaar
TLSH T15B938348F353C9E8EA6F3334547269071F62EC1BA9566A8E20CCF6A639322524057DF7
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
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
143.14.44.222:505

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
143.14.44.222:505 https://threatfox.abuse.ch/ioc/1570102/

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e93b1b6c10c181b585b138672bf18a5.exe
Verdict:
Malicious activity
Analysis date:
2025-08-16 23:51:28 UTC
Tags:
evasion auto-startup xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
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 in the %temp% directory
Creating a window
Enabling the 'hidden' option for recently created files
Creating a file in the mass storage device
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 cmd explorer fingerprint lolbin njrat obfuscated reconnaissance vbnet xworm
Result
Threat name:
AsyncRAT, XWorm
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
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)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758630 Sample: ncEZpLCNm9.exe Startdate: 17/08/2025 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 17 other signatures 2->44 8 ncEZpLCNm9.exe 14 5 2->8         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 32 143.14.44.222, 49723, 49724, 49725 PANDGUS United States 8->32 34 ip-api.com 208.95.112.1, 49713, 80 TUT-ASUS United States 8->34 28 C:\Users\user\AppData\...\ncEZpLCNm9.exe, PE32 8->28 dropped 46 Protects its processes via BreakOnTermination flag 8->46 48 Bypasses PowerShell execution policy 8->48 50 Adds a directory exclusion to Windows Defender 8->50 52 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->52 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        36 127.0.0.1 unknown unknown 13->36 file6 signatures7 process8 signatures9 54 Loading BitLocker PowerShell Module 15->54 22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process10
Verdict:
XWorm
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.24 Win 32 Exe x86 XWorm
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-08-14 06:40:38 UTC
AV detection:
22 of 23 (95.65%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
143.14.44.222:505
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1 External_IP_Lookup
YARA:
EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm
Unpacked files
SH256 hash:
d63994be3db3b03105b1b822d73a89cff59f1cb5d156162c92f556ee38bfc48a
MD5 hash:
1e93b1b6c10c181b585b138672bf18a5
SHA1 hash:
3387e9d7cb30a30b1ba497b51a7e3e17576d4737
Detections:
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EXE_RAT_XWorm_April2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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: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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments