MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03
SHA3-384 hash: 3304fa26160c7fab6b599d80659e89ea8f7da7afc3880b7731c63aaf0babb6f3f43424ba42eccd75baef6aa7f14abd4a
SHA1 hash: 18362450b89d940bad757ed26481da2ffa0a0e54
MD5 hash: 0529a5892e6cb49def5866992e0289bd
humanhash: romeo-pasta-sweet-delta
File name:svchost.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:409'088 bytes
First seen:2025-07-29 19:50:46 UTC
Last seen:2025-07-29 21:21:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'034 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 6144:pcVABMnIwubqHzRvZHZ66+fEPDpvDGEx2Svy8A2nnaGMbp1Me6s:pc6uIwVHzRRHg6+s7hDGKvq92
TLSH T12C940927B65A49B1D3884F3AC69B040463F69245B3D3E30E798523E62E433FED94E647
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:
45.155.37.24:50002

Intelligence

File Origin
# of uploads :
3
# of downloads :
56
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03.exe
Verdict:
Malicious activity
Analysis date:
2025-07-29 19:57:47 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/699bbeee-ffcd-42c8-b510-ccd96abd4a8e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/17663/
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68892635af3050dc8d322fb4
Tags:
stration autorun shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Creating a process from a recently created file
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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:
base64 net_reactor njrat njrat obfuscated obfuscated packed rat reconnaissance vbnet
Link:
https://www.filescan.io/uploads/6889263ba16348d835f33b4f/reports/83cae92f-25a5-41be-ad86-842b3e367dc1/overview
Verdict:
Malicious
Labled as:
Ransom.LokiLocker.Generic
Link:
https://www.hybrid-analysis.com/sample/2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d814f289-4768-4fcd-b2d4-c5cbfab80f6d
Result
Threat name:
XWorm, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1746717
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
Drops PE files with benign system names
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
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: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1746717 Sample: svchost.exe Startdate: 29/07/2025 Architecture: WINDOWS Score: 100 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 13 other signatures 2->49 7 svchost.exe 4 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 41 45.155.37.24, 49690, 50002 SHOCK-1US Netherlands 7->41 37 C:\ProgramData\svchost.exe, PE32 7->37 dropped 53 System process connects to network (likely due to code injection or exploit) 7->53 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->55 57 Bypasses PowerShell execution policy 7->57 63 3 other signatures 7->63 18 powershell.exe 23 7->18         started        21 powershell.exe 23 7->21         started        23 powershell.exe 23 7->23         started        25 2 other processes 7->25 39 C:\Users\user\AppData\...\svchost.exe.log, CSV 12->39 dropped 59 Antivirus detection for dropped file 12->59 61 Multi AV Scanner detection for dropped file 12->61 file5 signatures6 process7 signatures8 51 Loading BitLocker PowerShell Module 18->51 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable njRat PE (Portable Executable) RAT SOS: 0.91 Win 32 Exe x86
Link:
https://app.malva.re/file/0529a5892e6cb49def5866992e0289bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03/
Verdict:
Malicious
Threat:
Win32.Ransomware.LokiLocker
Link:
https://tip.neiki.dev/file/2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03
Threat name:
Win32.Ransomware.LokiLocker
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 19:51:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ft2mitw6cyzrkno7236qpfcbxzkuduh2nbttbvrrnclhj6r3jmbq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/250729-ykxekacn7z/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/18ba0087-2ba6-460b-a8a8-bab9bb583155
Unpacked files
SH256 hash:
2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03
MD5 hash:
0529a5892e6cb49def5866992e0289bd
SHA1 hash:
18362450b89d940bad757ed26481da2ffa0a0e54
Link:
https://www.unpac.me/results/31ba39bb-0de8-458c-b835-ddc1b9d962a3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2cf4c44ede16/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/2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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:Windows_Trojan_XWorm_b7d6eaa8
Create hunting rule
Author:Elastic Security

File information

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

Web download

XWorm

Executable exe 2cf4c44ede16331535dfd6fd079441be5541d0fa686730d631689674fa3b4b03

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3592833/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/17663/

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