MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df. 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: 17

Intelligence 17 IOCs 1 YARA 5 File information Comments

SHA256 hash:	48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df
SHA3-384 hash:	272fe8ab670f76dbe677eb25af0f4970d296030b9cd7b5df161c079094ff0beff1b096cd65a8cd61631621fa9244c44d
SHA1 hash:	fc31f4cccbfef0873736337065e4a84d7c60dfc9
MD5 hash:	fb5d864ea260cea1e75d825d88d4152b
humanhash:	winter-sink-music-cardinal
File name:	fb5d864ea260cea1e75d825d88d4152b.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	839'727 bytes
First seen:	2025-08-20 12:40:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	112bfbb18727302cb5425c20a464b02e (52 x XWorm, 2 x AsyncRAT)
ssdeep	24576:UKqpCZGE96zN4tqEKmJM60PkE16YeGVBhEv748BdEU9RcxPSi7OWBBJfwCVVQNIp:N0o0
Threatray	89 similar samples on MalwareBazaar
TLSH	T1A9059C066AEC01FAD2A2D33989E25982D7F73D5793151FCB02D58D4A3E9B1D0E87E324
TrID	48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	d4988e8caeee8696 (3 x XWorm, 2 x AsyncRAT)
Reporter	abuse_ch
Tags:	exe xworm

abuse_ch

XWorm C2:
147.185.221.31:14210

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
147.185.221.31:14210	https://threatfox.abuse.ch/ioc/1571671/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fb5d864ea260cea1e75d825d88d4152b.exe

Verdict:

Malicious activity

Analysis date:

2025-08-20 12:45:58 UTC

Tags:

auto-reg auto-startup pastebin auto xworm rat remote

Link:

https://app.any.run/tasks/72666d0d-19bd-4fbf-bfcb-71dbfc298aa9

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

XWorm

Link:

https://www.capesandbox.com/analysis/22476/

Detection(s):

Win.Trojan.Malwarex-10056560-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a5c2588fd55a79c5296ef9

Tags:

asyncrat autorun ddos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creating a process from a recently created file

Enabling the 'hidden' option for recently created files

Moving a recently created file

Creating a window

Creating a file in the %temp% subdirectories

Modifying an executable file

Сreating synchronization primitives

Creating a file in the Program Files subdirectories

DNS request

Connection attempt

Sending a custom TCP request

Delayed writing of the file

Unauthorized injection to a recently created process

Enabling autorun with the shell\open\command registry branches

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Infecting executable files

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc overlay

Link:

https://www.filescan.io/uploads/68a5c26fabfbaec31826a0c5/reports/639ecb0e-5ce7-4125-b7bb-f0dd6e9a3fe3/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6368d7dc-571a-4543-b21b-62a93739095f

Result

Threat name:

XWorm

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1760993

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Connects to a pastebin service (likely for C&C)

Creates an undocumented autostart registry key

Drops executable to a common third party application directory

Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)

Drops PE files to the document folder of the user

Found malware configuration

Infects executable files (exe, dll, sys, html)

Joe Sandbox ML detected suspicious sample

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: System File Execution Location Anomaly

Suricata IDS alerts for network traffic

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/fb5d864ea260cea1e75d825d88d4152b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df/

Verdict:

Malicious

Threat:

Family.XWORM

Link:

https://tip.neiki.dev/file/48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df

Threat name:

Win64.Spyware.AsyncRAT

Status:

Malicious

First seen:

2025-08-08 18:24:00 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

28 of 38 (73.68%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jbsywy63u7pzcgnrcg45lvjx6cdrmk32rpqdsbg5nn3m7y4tqdpq._file

Verdict:

malicious

Label(s):

xworm

XWorm

579b04f0fa02ca5bf210810537b84e5df5f4e2107eaa5d2cb75ea607e2d902df

XWorm

be34b3aa420900cab489653a2a950f5643477b91a5cee9362e0c7d14a33d2417

XWorm

df01277b9c75da397043c864dbd98c3d602598afd6f5a35da493bfb502944b79

XWorm

e7fc59b19c11575635089fae0012cd839ea80c717601bf72b9be8c2cb04dba54

XWorm

error

XWorm

+ 79 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm persistence rat trojan

Link:

https://tria.ge/reports/250820-pwymbssydt/

Behaviour

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Drops startup file

Executes dropped EXE

Modifies system executable filetype association

Detect Xworm Payload

Xworm

Xworm family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/99fff9ab-e7d0-473f-ac67-0e0be2063e66

Unpacked files

SH256 hash:

48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df

MD5 hash:

fb5d864ea260cea1e75d825d88d4152b

SHA1 hash:

fc31f4cccbfef0873736337065e4a84d7c60dfc9

Link:

https://www.unpac.me/results/a198077f-ba99-4332-ba5f-f568f8d0b5ba/

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/48658b63dba7df9119b111b9d5d537f087162b7a8be03904dd6b76cfe39380df

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape

https://www.capesandbox.com/analysis/22476/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::GetFileAttributesA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegSetValueExA

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