MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
SHA3-384 hash: 00a2081818e6f6e934a00d95e1dc7f6d5f917f2b4c427136900ca9a1a67e907451df097a4eabd4df592228b4f5b6a58f
SHA1 hash: b311a9f3bd9384b1f0670829f8542efe6ee36669
MD5 hash: 7c55349ebd2e7a02bb00f3da322fe324
humanhash: two-july-november-massachusetts
File name:Vanta Loader.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:105'984 bytes
First seen:2025-03-28 19:39:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'845 x AgentTesla, 19'775 x Formbook, 12'298 x SnakeKeylogger)
ssdeep 3072:+J5RlYgEN4yo/UnboOAFxb+9E/mvi/SREt:ql5WE9mv+A
Threatray 1'121 similar samples on MalwareBazaar
TLSH T1B9A30205BED74725E3FB47316B7353AA73E04F22B914C77B06AA54EC4A20E259C13A74
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter BastianHein
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
383
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VantaBundle.rar
Verdict:
Malicious activity
Analysis date:
2025-03-28 07:45:00 UTC
Tags:
arch-exec evasion xworm remote
Link:
https://app.any.run/tasks/4deddad2-c0fd-4a36-af75-8d8ade2705dd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.6932.864.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e6fc35cfd0a37f830952d5
Tags:
asyncrat dropper virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Running batch commands
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Unauthorized injection to a recently created process
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
Query of malicious DNS domain
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected reconnaissance
Link:
https://www.filescan.io/uploads/67e6fb28f274bf2d8e27bf30/reports/480e6c2e-2c0a-4ffa-baef-391d57970299/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3e557c2-3f3d-4bee-a645-73ef37a96394
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1651467
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1651467 Sample: Vanta Loader.exe Startdate: 28/03/2025 Architecture: WINDOWS Score: 100 53 documents-johnny.gl.at.ply.gg 2->53 55 ip-api.com 2->55 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 11 other signatures 2->67 9 Vanta Loader.exe 6 2->9         started        13 XClient.exe 2->13         started        15 XClient.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\working.exe, PE32 9->49 dropped 51 C:\Users\user\...\Vanta Loader.exe.log, CSV 9->51 dropped 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->77 19 working.exe 15 6 9->19         started        24 cmd.exe 1 9->24         started        79 Antivirus detection for dropped file 13->79 81 Multi AV Scanner detection for dropped file 13->81 signatures6 process7 dnsIp8 57 documents-johnny.gl.at.ply.gg 147.185.221.19, 63203 SALSGIVERUS United States 19->57 59 ip-api.com 208.95.112.1, 49719, 80 TUT-ASUS United States 19->59 47 C:\Users\user\AppData\Roaming\XClient.exe, PE32 19->47 dropped 69 Antivirus detection for dropped file 19->69 71 Multi AV Scanner detection for dropped file 19->71 73 Protects its processes via BreakOnTermination flag 19->73 75 5 other signatures 19->75 26 powershell.exe 23 19->26         started        29 powershell.exe 23 19->29         started        31 powershell.exe 19->31         started        35 2 other processes 19->35 33 conhost.exe 24->33         started        file9 signatures10 process11 signatures12 83 Loading BitLocker PowerShell Module 26->83 37 conhost.exe 26->37         started        39 conhost.exe 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 35->43         started        45 conhost.exe 35->45         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2025-03-28 07:26:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t47r4l5scrfzq4cncieu73wef3tpc6qs3e2hc7gcmqn5ellrd6va._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
002c9ae4f54d44fc45770610fa4862ee1ce47c2bb81c96555c1e10bd8523eca2
XWorm
1072ee6d5284f8e64f83e056dd261fb4a142bd933787871089514ac0c4afcffb
XWorm
2e2be20ac0c61653de9551407e30a57d8f7bce1fd1146e0a5cb6ec4ba599696b
XWorm
713218ac9468730f86b3076cbc49fb970be50ca5a4ad9bc30f2041bd5fc4095c
XWorm
9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
XWorm
b34c4cff03db4e88cc79f99c387ef565f3f546e0aec6e1fd15e84d0112b362cf
XWorm
error
XWorm
+ 1'111 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/250328-ydqnfask18/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
documents-johnny.gl.at.ply.gg:63203:63203
documents-johnny.gl.at.ply.gg:63203
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/5e1c3732-b311-4f5b-a281-7192347a82ae
Unpacked files
SH256 hash:
9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
MD5 hash:
7c55349ebd2e7a02bb00f3da322fe324
SHA1 hash:
b311a9f3bd9384b1f0670829f8542efe6ee36669
Link:
https://www.unpac.me/results/735fe8bb-39d9-4a0b-af08-028119f40ebf/
SH256 hash:
701e037fc8f4fd7c79a386ec4781fc46af9815a6c91666fc7003c2632f8cfcb6
MD5 hash:
ab9ecc93bb5f0b3df7c68bcb0cfa39de
SHA1 hash:
7326f03ff85d1f4695ddb13fd7bf50cdf35d5d7a
Link:
https://www.unpac.me/results/735fe8bb-39d9-4a0b-af08-028119f40ebf/
SH256 hash:
50114e2d618e027638d413dd2fee7565c0baa212d70f2d9e2503ec65f4aa2b18
MD5 hash:
747791250e775bccfa4839fd5f35458a
SHA1 hash:
d819242314aadc30b403da6de7bc26ba6d0e8dc4
Detections:
win_xworm_w0
Create hunting rule
win_xworm_bytestring
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
Link:
https://www.unpac.me/results/735fe8bb-39d9-4a0b-af08-028119f40ebf/
Parent samples :
50114e2d618e027638d413dd2fee7565c0baa212d70f2d9e2503ec65f4aa2b18
9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f3f1e2fb214/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/9f3f1e2fb2144b98704d12094feec42ee6f17a12d934717cc2641bd22d711faa

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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments