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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71bb372ef5a9b7b2e699677fa1f4c4f3b6bf80906b6303adba711313e28809f4. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 71bb372ef5a9b7b2e699677fa1f4c4f3b6bf80906b6303adba711313e28809f4
SHA3-384 hash: 93b1d512285e0f1b9ec9df3a8f2762c64ec87ed331d7c6b0c0046e401ffbe87759f30ee7ae4f213ce4adf3ecb741697c
SHA1 hash: d31d6b004ba316a2795605593ece33bfd4e6b234
MD5 hash: 5611f40a5fdbd2228f756a72dcdbe306
humanhash: mike-angel-salami-helium
File name:OVERDUE_INVOICE#223377.zip
Download: download sample
Signature XWorm
File size:47'393 bytes
First seen:2025-11-10 15:02:46 UTC
Last seen:2025-11-10 15:13:58 UTC
File type: zip
MIME type:application/zip
ssdeep 768:gZr+PHjRONKdQVP8WfhokG/CBkGZX25iHQ4WTC7LVVbRZbOjHwIkSjleTJKFDyaM:gZMH4NQgP8olK2Y5QZ7LVVbzbOjHwVS6
TLSH T1702302737BA3764074AD52BB05DF1D64D2ACB02E4811BA9C73F084995403FA8B90DFDA
Magika zip
Reporter cocaman
Tags:INVOICE xworm zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Pedro Pereira <vassmarica@greendivizio.hu>" (likely spoofed)
Received: "from greendivizio.hu (unknown [147.124.211.184]) "
Date: "4 Nov 2025 10:18:11 -0800"
Subject: "OVERDUE_INVOICE #223377 11/4/2025"
Attachment: "OVERDUE_INVOICE#223377.zip"

Intelligence


File Origin
# of uploads :
8
# of downloads :
84
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:OVERDUE_INVOICE#223377.bat
File size:137'993 bytes
SHA256 hash: ea39e1ff62f15085895b999a95ccb530e5ea7244b48d838056e606fa17dbb63a
MD5 hash: 7a2f83bf8d9752eb9fe20f90c6ec18c6
MIME type:text/plain
Signature XWorm
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 batch evasive masquerade obfuscated powershell
Verdict:
Malicious
File Type:
zip
First seen:
2025-11-10T12:07:00Z UTC
Last seen:
2025-11-10T12:35:00Z UTC
Hits:
~10
Gathering data
Threat name:
Script-BAT.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-11-04 18:16:30 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
31.40.204.73:1414
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:SUSP_PS1_JAB_Pattern_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Malspam

XWorm

zip 71bb372ef5a9b7b2e699677fa1f4c4f3b6bf80906b6303adba711313e28809f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments