MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4. 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: 15

Intelligence 15 IOCs YARA 13 File information Comments 1

SHA256 hash:	8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4
SHA3-384 hash:	0ba26d92bcb92e3106a8909d070d4fb02b31fa1fd4506e7c79f320e53835f46f41e42579c388d7e0775ce521bd6d9e17
SHA1 hash:	c386202ac9c537ec72cd66049d8d97be6c2351f9
MD5 hash:	b3aa8653079137d67f1998dbafeca57b
humanhash:	december-idaho-montana-blossom
File name:	b3aa8653079137d67f1998dbafeca57b
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	172'544 bytes
First seen:	2024-04-17 11:35:39 UTC
Last seen:	2024-04-17 13:44:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	3072:uVuD8ZKNx6EpT+flldbIsbqOipDQQkEbrjCTo:kEPT0lldbLIDkui
Threatray	341 similar samples on MalwareBazaar
TLSH	T1ECF3B2A437A12050DC7E5F385BA2191EC1BBFEA67E3EE64F5454B26187333C84413A9B
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
File icon (PE):
dhash icon	59592b6e07830e06 (3 x RustyStealer, 2 x AsyncRAT)
Reporter	zbetcheckin
Tags:	32 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

332

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4.exe

Verdict:

Malicious activity

Analysis date:

2024-04-17 11:42:54 UTC

Tags:

evasion xworm remote

Link:

https://app.any.run/tasks/69e52e14-cb4d-4647-a7ac-5e1a0066868c

Note:

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

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 process with a hidden window

Creating a file in the %AppData% directory

Launching a process

Creating a window

Sending a custom TCP request

Enabling the 'hidden' option for recently created files

Moving a file to the Program Files subdirectory

Replacing files

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

Setting a global event handler for the keyboard

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:

DeepScan:Generic.Malware.SFL

Link:

https://www.hybrid-analysis.com/sample/8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/218fc312-849f-403a-a916-cf6cd0eb97d0

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1427318

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

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

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

Yara detected Generic Downloader

Yara detected Telegram RAT

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4/

Threat name:

ByteCode-MSIL.Trojan.AsyncRAT

Status:

Malicious

First seen:

2024-04-12 17:57:12 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rxam45ywfplc6hckuqii2l4cuovwj2m3eo3ng2nj7duijmphxdca._file

Verdict:

malicious

AsyncRAT

61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6

AsyncRAT

69a3929ef1219159e606fb0b5f66c37baeea26e69a0e544f113d0102e38505e1

AsyncRAT

87189ae08967742a49ed5e98fc5731af9fa843b4bde08151ac5d16a71f0052f6

AsyncRAT

8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

AsyncRAT

c38326b43ae382c6eb3844f0a6beb4c321d8eeceecfdf9e503032f94a650d4b4

AsyncRAT

+ 331 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm persistence rat trojan

Link:

https://tria.ge/reports/240417-nqlj5sdd94/

Behaviour

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Adds Run key to start application

Looks up external IP address via web service

Checks computer location settings

Drops startup file

Executes dropped EXE

Detect Xworm Payload

Xworm

Malware Config

C2 Extraction:

dentiste.ddns.net:7010
wiz.bounceme.net:6000

Unpacked files

SH256 hash:

8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

MD5 hash:

b3aa8653079137d67f1998dbafeca57b

SHA1 hash:

c386202ac9c537ec72cd66049d8d97be6c2351f9

Detections:

PureCrypter_Stage1

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

MALWARE_Win_XWorm

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

MALWARE_Win_AsyncRAT

Link:

https://www.unpac.me/results/2d776763-899d-40b3-b480-5343511bd85b/

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/8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

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

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:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

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

File information

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

Web download

AsyncRAT

exe 8dc0ce77162bd62f1c4aa4108d2f82a3ab64e99b23b6d369a9f8e884b1e7b8c4

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2815130/

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

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zbet commented on 2024-04-17 11:35:39 UTC

url : hxxp://86.68.222.14/carte.exe