MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff1dbac4588e71225b4ac1ab3a608eff86ebbf26416d0667f6a7fb9cefc69ef9. 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: 21


Intelligence 21 IOCs 1 YARA 22 File information Comments

SHA256 hash: ff1dbac4588e71225b4ac1ab3a608eff86ebbf26416d0667f6a7fb9cefc69ef9
SHA3-384 hash: 1ac5266fe19ca18df3086c61e37b1cdc79de91f25226229d80f9ff5a65f9f78751f28975f6b69b232d6cf17295033c17
SHA1 hash: bbbd293ceda31b997d7a90fccbd622ea76e008e0
MD5 hash: f30229575476e1061971f47b9f925b59
humanhash: bluebird-friend-river-leopard
File name:f30229575476e1061971f47b9f925b59.exe
Download: download sample
Signature XWorm
File size:42'496 bytes
First seen:2025-08-22 11:50:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'780 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 768:5rCDwF3iEHPScr9qc/cQvEC7F4nvSJF5Pn9pJD6iOwhL3/KJF:IDwF/qcr9qc/vc+F2CFx93D6iOwpiT
Threatray 1'353 similar samples on MalwareBazaar
TLSH T110133A447BE44616D5FFABF919B362060A71F6038913DB9E4CD8899B1B37BC08A01BD7
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:
147.50.253.3:44784

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.50.253.3:44784 https://threatfox.abuse.ch/ioc/1572562/

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f30229575476e1061971f47b9f925b59.exe
Verdict:
Malicious activity
Analysis date:
2025-08-22 11:50:45 UTC
Tags:
evasion auto-startup auto-reg xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
asyncrat dropper micro 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 %AppData% directory
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 config-extracted fingerprint lolbin njrat njrat obfuscated rat reconnaissance schtasks threat vbnet xworm
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-19T14:47:00Z UTC
Last seen:
2025-08-19T14:47:00Z UTC
Hits:
~10
Result
Threat name:
AsyncRAT, XWorm
Detection:
malicious
Classification:
troj.spyw.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)
Contains functionality to log keystrokes (.Net Source)
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
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 AsyncRAT
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1762869 Sample: CT3nNcxdaY.exe Startdate: 22/08/2025 Architecture: WINDOWS Score: 100 43 ip-api.com 2->43 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 16 other signatures 2->55 8 CT3nNcxdaY.exe 15 6 2->8         started        13 RuntimeBroker.exe 2->13         started        15 RuntimeBroker.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 45 147.50.253.3, 44784, 49695 CSLOX-IDC-AS-APCSLOXINFOPublicCompanyLimitedTH Thailand 8->45 47 ip-api.com 208.95.112.1, 49691, 80 TUT-ASUS United States 8->47 39 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 8->39 dropped 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->59 61 Protects its processes via BreakOnTermination flag 8->61 63 Bypasses PowerShell execution policy 8->63 69 3 other signatures 8->69 19 powershell.exe 23 8->19         started        22 powershell.exe 21 8->22         started        24 powershell.exe 23 8->24         started        26 3 other processes 8->26 65 Antivirus detection for dropped file 13->65 67 Multi AV Scanner detection for dropped file 13->67 file6 signatures7 process8 file9 57 Loading BitLocker PowerShell Module 19->57 29 conhost.exe 19->29         started        31 conhost.exe 22->31         started        33 conhost.exe 24->33         started        41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 26->41 dropped 35 conhost.exe 26->35         started        37 conhost.exe 26->37         started        signatures10 process11
Verdict:
njRat
YARA:
18 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.24 Win 32 Exe x86 XWorm
Malware Config
C2 Extraction:
CNC: 147.50.253.3
PORT: 44784
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-08-19 19:28:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 36 (88.89%)
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:
147.50.253.3:44784
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
Unpacked files
SH256 hash:
ff1dbac4588e71225b4ac1ab3a608eff86ebbf26416d0667f6a7fb9cefc69ef9
MD5 hash:
f30229575476e1061971f47b9f925b59
SHA1 hash:
bbbd293ceda31b997d7a90fccbd622ea76e008e0
Detections:
win_xworm_w0 XWorm
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: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: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:Windows_Trojan_XWorm_b7d6eaa8
Author:Elastic Security
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
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