MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be. 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: 19

Intelligence 19 IOCs 3 YARA 18 File information Comments

SHA256 hash:	bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be
SHA3-384 hash:	bf484bd7af5737fc5338956404f119ce99102614d304890875a953ae7768488a8ef7b15ad5d19b338836c7e753db58a6
SHA1 hash:	b264c4c89aa79a1bc65439cf474541a48822d55b
MD5 hash:	1399a2c34b345559cc361d0e9a396e48
humanhash:	golf-speaker-yankee-muppet
File name:	1399a2c34b345559cc361d0e9a396e48.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	35'840 bytes
First seen:	2025-08-13 16:15:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'298 x AgentTesla, 20'717 x Formbook, 12'402 x SnakeKeylogger)
ssdeep	768:IQChvN3L+tD/QrcLRsvW6nTFya9C/OjhhPSPalh:IQse3iFF9C/Oj3Salh
Threatray	1 similar samples on MalwareBazaar
TLSH	T1C0F24D0837A48625DAFF7FF429B2611956B0E513D917EF5F0CE8429A2B27AC047017E6
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:
3.74.27.83:17355

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.74.27.83:17355	https://threatfox.abuse.ch/ioc/1568205/
3.78.28.71:17355	https://threatfox.abuse.ch/ioc/1568206/
52.57.120.10:17355	https://threatfox.abuse.ch/ioc/1568207/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1399a2c34b345559cc361d0e9a396e48.exe

Verdict:

Malicious activity

Analysis date:

2025-08-13 16:18:32 UTC

Tags:

evasion xworm remote

Link:

https://app.any.run/tasks/042f2295-7876-489a-812e-a3d87058ba0e

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/21183/

Detection(s):

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL

Win.Packed.Loveletter-10023052-0

Win.Packed.Loveletter-10024677-0

Win.Packed.Msilzilla-10019837-0

Win.Packed.Msilzilla-10024808-0

Win.Packed.Msilzilla-10026193-0

Win.Packed.njRAT-10002074-1

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689cba332018ee52f02474e2

Tags:

asyncrat virus xworm remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Creating a window

Connection attempt to an infection source

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat fingerprint njrat obfuscated packed packer_detected rat vbnet xworm

Link:

https://www.filescan.io/uploads/689cba419ef4d2ff7cfadb63/reports/75c1e74e-ee3b-4b6c-a2b2-9955f83d1a1e/overview

Verdict:

Malicious

Labled as:

Genie.8DN.Generic

Link:

https://www.hybrid-analysis.com/sample/bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4245980e-0992-4b60-891f-9d1532e6fc51

Result

Threat name:

AsyncRAT, XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1756198

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

Protects its processes via BreakOnTermination flag

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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 AsyncRAT

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net Executable njRat PE (Portable Executable) RAT SOS: 0.21 Win 32 Exe x86

Link:

https://app.malva.re/file/1399a2c34b345559cc361d0e9a396e48

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be/

Verdict:

Malicious

Threat:

Family.XWORM

Link:

https://tip.neiki.dev/file/bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2025-08-11 20:48:13 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xnvwldlscmkrter4zyk5fpkzsimcwf6tg2pywkmahdy4sbs46g7a._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

XWorm

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/250813-tqjy7stsat/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

0.tcp.eu.ngrok.io:17355

Verdict:

Malicious

Tags:

rat xworm Win.Packed.njRAT-10002074-1 External_IP_Lookup

YARA:

EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_mal_XWorm

Link:

https://app.threat.zone/submission/8eec402f-a9e9-43b2-89f0-b6eb98632e7f

Unpacked files

SH256 hash:

bb6b658d72131519923cce15d2bd5992182b17d3369f8b298038f1c9065cf1be

MD5 hash:

1399a2c34b345559cc361d0e9a396e48

SHA1 hash:

b264c4c89aa79a1bc65439cf474541a48822d55b

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/1413ace6-f398-4c94-b1ed-aa7e62b5f35c/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bb6b658d7213/report/overview.html

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:	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:	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:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

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_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/21183/

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

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample