MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ff75749c2d51435855afc23501105d259ed8213cd24085e1164f056ac2c2e05. 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: 9

Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash:	5ff75749c2d51435855afc23501105d259ed8213cd24085e1164f056ac2c2e05
SHA3-384 hash:	839efd1cbf86ee8181223b8a7c8fbd5130f0d04231cdab43502c48f5428241dc35f3cf1a61b097f0b7cecd2492045f3e
SHA1 hash:	2e4df7dcdf74f3f05330d3b6fb1600cecdee8bf2
MD5 hash:	b47d42cd4867d9073658645208b3e061
humanhash:	magnesium-music-nevada-leopard
File name:	a.vbs
Download:	download sample
Signature	XWorm Create hunting rule
File size:	122'278 bytes
First seen:	2023-04-12 12:01:00 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	1536:JPX8kcF/OTS/1ZhJbF+t3WyfaXGxbMN75ro6B0Zg:h5Y1ZPb2A
Threatray	52 similar samples on MalwareBazaar
TLSH	T1DEC3575328DE9CC8A3E17D434B9FA27E47F7F1A7543EA16954C80A0917D294EE8213E3
TrID	66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1)
Reporter	JAMESWT_WT
Tags:	vbs xworm

Intelligence

File Origin

# of uploads :

# of downloads :

140

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/381767/

Detection(s):

SecuriteInfo.com.VB.Heur.Dropper.1.88E43020.Gen.30118.31839.UNOFFICIAL

Verdict:

No Threat

Threat level:

10/10

Confidence:

67%

Link:

https://www.filescan.io/uploads/64369d822e9d861072d65632/reports/403b6529-ba53-45bf-b407-237dd1ff1b5c/overview

Verdict:

Malicious

Labled as:

VB.Dropper.1.88E43020

Link:

https://www.hybrid-analysis.com/sample/5ff75749c2d51435855afc23501105d259ed8213cd24085e1164f056ac2c2e05

Result

Verdict:

MALICIOUS

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1212495

Signature

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

.NET source code contains potential unpacker

C2 URLs / IPs found in malware configuration

Contains functionality to capture screen (.Net source)

Contains functionality to log keystrokes (.Net Source)

Downloads files with wrong headers with respect to MIME Content-Type

Drops VBS files to the startup folder

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Drops script at startup location

Snort IDS alert for network traffic

Suspicious powershell command line found

Uses the Telegram API (likely for C&C communication)

VBScript performs obfuscated calls to suspicious functions

Very long command line found

Windows Shell Script Host drops VBS files

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Generic Downloader

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5ff75749c2d51435855afc23501105d259ed8213cd24085e1164f056ac2c2e05/

Threat name:

Script-WScript.Trojan.Minerva

Status:

Malicious

First seen:

2023-04-10 21:56:27 UTC

File Type:

Text (VBS)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=l73vosoc2ukdlbk27qrvaeif2jm63aqtzusaqxqrmtyfnlbmfycq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://tria.ge/reports/230412-n6v4hsde6w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Checks computer location settings

Drops startup file

Blocklisted process makes network request

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5ff75749c2d5/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/5ff75749c2d51435855afc23501105d259ed8213cd24085e1164f056ac2c2e05

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:	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:	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:	SUSP_VBS_Wscript_Shell Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon