MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce. 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 19 File information Comments

SHA256 hash:	a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce
SHA3-384 hash:	2676965c21dca28fcda2112aa0b0b575fa1e3d121d91d350fcf97f5eaaacc1004abe9734ed8a544e246f83c44d494675
SHA1 hash:	a694f17df8a052a435846b52e8135757af13cc9f
MD5 hash:	1fec427b1193d960945cf80491efe57d
humanhash:	bravo-island-cardinal-robert
File name:	1FEC427B1193D960945CF80491EFE57D.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	91'648 bytes
First seen:	2025-07-03 18:05:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	1536:NuVzBHC+iG0Ywte6AJbPyVa9/XLJJPq+Pqb2WVE6fO4yoku9f:oHHCs9wfmbay9JPqbb2oO4Ff
TLSH	T1E0938E1877F54529E4FFAF7019F1B213D736BA13A802E61F28D8129A1B23A84CD517F6
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

abuse_ch

XWorm C2:
176.160.157.96:8887

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
176.160.157.96:8887	https://threatfox.abuse.ch/ioc/1553053/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1FEC427B1193D960945CF80491EFE57D.exe

Verdict:

Malicious activity

Analysis date:

2025-07-03 18:11:54 UTC

Tags:

evasion auto-startup auto-reg xworm crypto-regex

Link:

https://app.any.run/tasks/ebc4e1df-f5d3-4b00-bcbb-b7fec9239c78

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/12180/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6866c6a1c9eb97473765f075

Tags:

asyncrat dropper virus remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Launching a process

Enabling the 'hidden' option for recently created files

Creating a window

Creating a process from a recently created file

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

Sending a custom TCP request

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

Creating a file in the mass storage device

Setting a global event handler for the keyboard

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Enabling threat expansion on mass storage devices

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 bladabindi cmd coinminer explorer fingerprint lolbin njrat obfuscated obfuscated reconnaissance schtasks vbnet xworm

Link:

https://www.filescan.io/uploads/6866c6af967c7aaba4d0580a/reports/7ff849b5-3095-405f-ae20-a90f03b1f4bf/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5fd9db8b-ee6d-4e1e-8100-c5dd2f45df56

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1728224

Signature

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

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

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)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce

Verdict:

inconclusive

YARA:

7 match(es)

Tags:

.Net Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/1fec427b1193d960945cf80491efe57d

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce/

Verdict:

Malicious

Threat:

trojan.msil/jalapeno

Link:

https://tip.neiki.dev/file/a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce

Threat name:

Win32.Backdoor.XWorm

Status:

Malicious

First seen:

2025-07-02 08:16:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 37 (86.49%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u2uy6i3wbvv2tnwgdcxwdimp57ee2eazgusavn5rgbpafblajtha._file

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/250703-wpw89aej81/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Detect Xworm Payload

Xworm

Xworm family

Gathering data

Unpacked files

SH256 hash:

a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce

MD5 hash:

1fec427b1193d960945cf80491efe57d

SHA1 hash:

a694f17df8a052a435846b52e8135757af13cc9f

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/f78fbce2-271b-48f0-9b9a-c73c225c3b63/

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/a6a98f23760d6ba9b6c618af61a18fefc84d101935240ab7b1305e0285604cce

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 Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects AsyncRAT backdoor.

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

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	EXE_RAT_XWorm_April2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	MALWARE_Win_AsyncRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AsyncRAT

Rule name:	MALWARE_Win_XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

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:	win_xworm_bytestring Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytestring present in unobfuscated xworm

Rule name:	win_xworm_w0 Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects win.xworm.

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

Rule name:	XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	xworm_kingrat Create hunting rule
Author:	jeFF0Falltrades

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/12180/

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 (HIGH_ENTROPY_VA)	high

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