MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49cfbce12333189d130fa3ca2b205a9c9d97223ca5509c11f4f96d9bf824b266. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash: 49cfbce12333189d130fa3ca2b205a9c9d97223ca5509c11f4f96d9bf824b266
SHA3-384 hash: 063277a20d083da0f1435d06e9de903a787cbc93bd1cc7b46ab74041a7aeccc6586803c5c5265040e8c5d4b6696f2be2
SHA1 hash: 62e7b508e5712f71dcc09525bb272eeb907a8325
MD5 hash: 02547af76e5706169e32529d1374e623
humanhash: foxtrot-red-juliet-whiskey
File name:SecuriteInfo.com.Win64.MalwareX-gen.81621452
Download: download sample
Signature XWorm
File size:18'162'688 bytes
First seen:2025-12-10 10:32:28 UTC
Last seen:2025-12-10 11:26:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7bf33a38940fdd542c4042c5148f16ca (2 x XWorm)
ssdeep 196608:UYzey/Y/m0qW3B7DuDR5sL0qYY3ZVBidb1ZycyZ+nc:UYCy/j0J3tDuDRkc6+c
TLSH T18907BE18A3E50575E52BD738C652C333DAB0BCA25639C60F095DF6851F33AA08B6F726
TrID 66.6% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 030303c7871752e7 (2 x XWorm)
Reporter SecuriteInfoCom
Tags:exe xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
102
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
UDD.exe
Verdict:
Malicious activity
Analysis date:
2025-12-10 10:27:33 UTC
Tags:
arch-exec arch-doc smb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect emotet
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Verdict:
Adware
File Type:
exe x64
First seen:
2025-12-09T22:18:00Z UTC
Last seen:
2025-12-10T07:22:00Z UTC
Hits:
~10
Detections:
not-a-virus:Downloader.Win32.TorLoader.cl Downloader.TorLoader.UDP.C&C
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-12-10 08:03:19 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
berlin101.com:6000
Unpacked files
SH256 hash:
49cfbce12333189d130fa3ca2b205a9c9d97223ca5509c11f4f96d9bf824b266
MD5 hash:
02547af76e5706169e32529d1374e623
SHA1 hash:
62e7b508e5712f71dcc09525bb272eeb907a8325
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information


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

Web download

XWorm

Executable exe 49cfbce12333189d130fa3ca2b205a9c9d97223ca5509c11f4f96d9bf824b266

(this sample)

  
Delivery method
Distributed via web download

Comments