MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d. 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 1 YARA 18 File information Comments

SHA256 hash:	8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d
SHA3-384 hash:	7e413d6a790e624e7fdf3a27232dc84e2adb6fa26cab2525523a7eb5d639d5cc4280b3998e2d80b958211c853071fa85
SHA1 hash:	fe5dc1e5396a4267f4700a7396d685f139ed1caf
MD5 hash:	c51c76a30fa9c4d3a49f72c5200e9cdf
humanhash:	alpha-mirror-oven-april
File name:	c51c76a30fa9c4d3a49f72c5200e9cdf.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	48'695'687 bytes
First seen:	2025-08-15 10:15:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	112bfbb18727302cb5425c20a464b02e (52 x XWorm, 2 x AsyncRAT)
ssdeep	393216:Lz9acPaemDUSCMWtu2hsnoKEtKDengbdK7fVJf7CGVZBS9MgDKGo9QwJOsG1doxY:aRK9J7wb+iG8xm8
Threatray	23 similar samples on MalwareBazaar
TLSH	T143B77C9673F841EAE0AAD134C9578A37EAF1BC451430474B2560FB9BAF33660AD3D361
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	4c449a9c9c9a9404 (3 x XWorm)
Reporter	abuse_ch
Tags:	exe xworm

abuse_ch

XWorm C2:
147.185.221.30:39982

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
147.185.221.30:39982	https://threatfox.abuse.ch/ioc/1568660/

Intelligence

File Origin

# of uploads :

# of downloads :

177

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

c51c76a30fa9c4d3a49f72c5200e9cdf.exe

Verdict:

Malicious activity

Analysis date:

2025-08-15 10:17:22 UTC

Tags:

pastebin remote xworm auto-reg auto-startup

Link:

https://app.any.run/tasks/05a1f06a-2e9d-47a4-af2c-29963c4e29eb

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689f08e8b0026751df5c6b21

Tags:

asyncrat autorun

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

Сreating synchronization primitives

Creating a file in the %temp% subdirectories

Modifying an executable file

DNS request

Connection attempt

Sending a custom TCP request

Creating a file in the Program Files subdirectories

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:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d

Result

Threat name:

XWorm

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1757764

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/8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d

Gathering data

Verdict:

Malicious

Threat:

Family.XWORM

Link:

https://tip.neiki.dev/file/8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d

Threat name:

Win64.Trojan.XWorm

Status:

Malicious

First seen:

2025-08-12 02:30:08 UTC

File Type:

PE+ (Exe)

Extracted files:

2112

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rkunt6v6urcvvbjv2zr57ndmrzapl74prkwojlwy772x2wh6knoq._file

Verdict:

malicious

Label(s):

xworm

XWorm

579b04f0fa02ca5bf210810537b84e5df5f4e2107eaa5d2cb75ea607e2d902df

XWorm

be34b3aa420900cab489653a2a950f5643477b91a5cee9362e0c7d14a33d2417

XWorm

df01277b9c75da397043c864dbd98c3d602598afd6f5a35da493bfb502944b79

XWorm

e7fc59b19c11575635089fae0012cd839ea80c717601bf72b9be8c2cb04dba54

XWorm

error

XWorm

+ 13 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm persistence rat trojan

Link:

https://tria.ge/reports/250815-mcxvksgj9s/

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:

exploit

YARA:

cve_2014_6352

Link:

https://app.threat.zone/submission/4999b55d-bf66-42c3-8c1e-4a02a87f517d

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/8aa8d9fabea4455a8535d663dfb46c8e40f5ff8f8aace4aed8fff57d58fe535d

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Find_Any_Xll_Files Create hunting rule
Author:	David Ledbetter @Ledtech3
Description:	Find Any XLL File

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

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	skip20_sqllang_hook Create hunting rule
Author:	Mathieu Tartare <mathieu.tartare@eset.com>
Description:	YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:	https://www.welivesecurity.com/

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)

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

No further information available

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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