MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a8c02fbffc9baa1d95e8b0439926c584e8f3725e83df0ac1cdc24b08dce8a5e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a8c02fbffc9baa1d95e8b0439926c584e8f3725e83df0ac1cdc24b08dce8a5e
SHA3-384 hash: 91b924ff8e3b4c233a567aa73cf791d1ac0169452cc103db1ebc4e3954924a50afaea2923bd5cd25f821e51b9bd2fca1
SHA1 hash: 92dc9a23ba99765d69675e6cb80a7d9169f1dfea
MD5 hash: 362acfe4b56df99fa7b05d6485c5dac9
humanhash: king-nebraska-harry-seventeen
File name:Paketfoto_pdf.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:193'220 bytes
First seen:2025-02-15 19:42:55 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:xj3V5up7CIG94wI0NCxpO0EHQDbpN+d/FsfDzTJQ:93V0xpO0EH9
Threatray 2'313 similar samples on MalwareBazaar
TLSH T1BE149D623449835B6FA48126EF4C275DD2F5080EA70DCF397A5819F67B9C5E420AF3B8
Magika vba
Reporter d1v35h
Tags:hta vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
IN IN
Vendor Threat Intelligence
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/67b0ee6921602376c582a520/reports/bdde7841-dab8-4096-a036-4ae649f4c50e/overview
Verdict:
Malicious
Labled as:
VBS_TrojanDownloader_Agent_ABPH
Link:
https://www.hybrid-analysis.com/sample/2a8c02fbffc9baa1d95e8b0439926c584e8f3725e83df0ac1cdc24b08dce8a5e
Result
Verdict:
MALICIOUS
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1615979
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1615979 Sample: Paketfoto_pdf.vbs Startdate: 15/02/2025 Architecture: WINDOWS Score: 100 39 pastebin.com 2->39 41 support.zyfex.free.hr 2->41 43 2 other IPs or domains 2->43 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 61 14 other signatures 2->61 9 wscript.exe 2 2->9         started        12 wscript.exe 1 2->12         started        signatures3 59 Connects to a pastebin service (likely for C&C) 39->59 process4 signatures5 69 VBScript performs obfuscated calls to suspicious functions 9->69 71 Suspicious powershell command line found 9->71 73 Wscript starts Powershell (via cmd or directly) 9->73 75 2 other signatures 9->75 14 powershell.exe 14 16 9->14         started        18 powershell.exe 12->18         started        process6 dnsIp7 49 ip.3005.filemail.com 193.30.119.105, 443, 49705, 49707 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese unknown 14->49 51 support.zyfex.free.hr 104.21.78.7, 443, 49706, 49708 CLOUDFLARENETUS United States 14->51 77 Writes to foreign memory regions 14->77 79 Injects a PE file into a foreign processes 14->79 20 cmd.exe 2 14->20         started        24 AddInProcess32.exe 14->24         started        26 AddInProcess32.exe 15 2 14->26         started        29 conhost.exe 14->29         started        31 AddInProcess32.exe 1 18->31         started        33 conhost.exe 18->33         started        signatures8 process9 dnsIp10 37 C:\ProgramData\acrochilus.vbs, Unicode 20->37 dropped 63 Potential malicious VBS script found (suspicious strings) 20->63 65 Command shell drops VBS files 20->65 35 conhost.exe 20->35         started        67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->67 45 196.251.89.42, 2121, 49710, 49716 Web4AfricaZA Seychelles 26->45 47 pastebin.com 172.67.19.24, 443, 49709 CLOUDFLARENETUS United States 26->47 file11 signatures12 process13
Score:
13%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/2a8c02fbffc9baa1d95e8b0439926c584e8f3725e83df0ac1cdc24b08dce8a5e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a8c02fbffc9baa1d95e8b0439926c584e8f3725e83df0ac1cdc24b08dce8a5e/
Threat name:
Script-WScript.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2025-02-14 01:41:33 UTC
File Type:
Text (VBS)
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkgaf677zg5kdwk6rmcdtetmlbhi6nzf5a67bla43qslbdoorjpa._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
24af52ae7f3afb9533d3ad2e4a845bdc69dc96388d4b98853b8dd567174a43b2
XWorm
3feaf09cd2a54a70cbac8be7a9bf1aa1d36a55fc59ecd0cb9710f561858af876
XWorm
6a2e733771d7f141eed2a6f50a0578d443339197a1d8037703b83fa0878ba79c
XWorm
76cf1faf704723b1c79e68db104409fb5dc8a9a76afa88dce72f6e91d3c073de
XWorm
90250cc03d5cdb502acd31097c726034976315c2bb783a120d06b20dad11edab
XWorm
b15390620ccf825691c19c50f630d7f304d2c9a9d539047bcac5846f0b481580
XWorm
de4ee5d72bff898825d7ecbc68850fe7fae935acc7d6d486affc7c41790ced56
XWorm
error
XWorm
+ 2'303 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250215-yfbx3a1nev/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Downloads MZ/PE file
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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Comments