MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07. 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

AsyncRAT

Vendor detections: 16

Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash:	2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07
SHA3-384 hash:	650d04cbfa1ce7a6f2f3619dd010bc5e9c6d8bbf77e4cb00b2eef6a80e458bdfa61febaf488f8372d78c79c26074f3c0
SHA1 hash:	44f593e5b4eadf0c0bf445df8ff5ecb4d6db192c
MD5 hash:	7f8d765a90587968583e6e68cb7d1b2d
humanhash:	berlin-crazy-paris-social
File name:	xxx.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	60'416 bytes
First seen:	2025-03-28 19:40:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	1536:EdTX7CcWzjh4+nxwDabiW3zOcc6rtOR6AXK:gT2c6jHnxwWbit8tOR6AXK
Threatray	1'119 similar samples on MalwareBazaar
TLSH	T134437C8C77954631E2FE5FB918B121118671F6A38823E73F18DC51DB1B27A8A8E503F6
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	BastianHein
Tags:	AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

573

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

xxx.exe

Verdict:

Malicious activity

Analysis date:

2025-03-28 11:41:04 UTC

Tags:

evasion xworm remote

Link:

https://app.any.run/tasks/ed1e8ad6-9e32-4e22-99bd-8ab5bc17c535

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=67e68ace855e5ec524091422

Tags:

asyncrat dropper virus remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

Creating a file in the %AppData% directory

Launching a process

Creating a window

Enabling the 'hidden' option for recently created files

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

Creating a file in the mass storage device

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Enabling threat expansion on mass storage devices

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/31550b26-d3d8-449d-968c-f26997762d9e

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1651462

Signature

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

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Check if machine is in data center or colocation facility

Connects to many ports of the same IP (likely port scanning)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Sample uses string decryption to hide its real strings

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07/

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2025-03-28 11:41:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 36 (86.11%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e44ovb5lct3c6otrziqhacf2jzmehvfhr73wtvoy23nitwsgbidq._file

Verdict:

malicious

Label(s):

xworm

AsyncRAT

2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07

AsyncRAT

49ff687dbb13ed84815f3f57c660a0a4fc5cb21c82b605ce53338538a864586d

AsyncRAT

9bc496ac0d90cd6e804a1075d59967c809fc88ec67c844f8cdeb47153588dbb9

AsyncRAT

9e908ab143b191502a5ada13123baae848c9c2d6d59b3190d0c2d8ed18257ac2

AsyncRAT

error

AsyncRAT

+ 1'109 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/250328-ydqy7ssls2/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

better-starts.gl.at.ply.gg:31982

Verdict:

Malicious

Tags:

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

YARA:

win_mal_XWorm EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm

Link:

https://app.threat.zone/submission/891c43e7-6222-4d24-967a-b27ddc4f3722

Unpacked files

SH256 hash:

2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07

MD5 hash:

7f8d765a90587968583e6e68cb7d1b2d

SHA1 hash:

44f593e5b4eadf0c0bf445df8ff5ecb4d6db192c

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/c915903c-e87c-4aca-85e5-36229a7d482e/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2738ea87ab14/report/overview.html

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/2738ea87ab14f62f3a71ca207008ba4e5843d4a78ff769d5d8d6da89da460a07

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:	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.

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 (HIGH_ENTROPY_VA)	high

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