MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3373e49fcdb9aa3b6115d07556751f97b274945e0803d18afe3c2126ac6f59f. 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



GuLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: e3373e49fcdb9aa3b6115d07556751f97b274945e0803d18afe3c2126ac6f59f
SHA3-384 hash: 3a0fa555d7fb69a7f7e3f357240a1f102a83908b88f79b092ef4c9f7b9a6e123d4852e8ce5a232f7e41c72bd527dbff9
SHA1 hash: ea6e8c3e79ddee7b52a24e0db8a4875634a70b30
MD5 hash: c39b190d435060a29cda60adffeda9c8
humanhash: rugby-island-beryllium-harry
File name:E-awb_TRK9166802880_shipping_documents_invoice_11_26_2025_0000000.vbs
Download: download sample
Signature GuLoader
File size:31'913 bytes
First seen:2025-11-26 22:33:37 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:yc3eBjXOY3MiXrFQRTmMJJWz6J9IfS7idOqJI:1OBrO8yofS
TLSH T112E23B69CA0B21AFCC3F07F5DC76C8A4D197817901B36061ED68A2784485B7876BEB0F
Magika vba
Reporter smica83
Tags:GuLoader HUN vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
xtreme shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 masquerade obfuscated powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2025-11-26T04:34:00Z UTC
Last seen:
2025-11-28T16:19:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb HEUR:Trojan.VBS.SAgent.gen
Result
Threat name:
GuLoader, XWorm
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Early bird code injection technique detected
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821456 Sample: E-awb_TRK9166802880_shippin... Startdate: 26/11/2025 Architecture: WINDOWS Score: 100 47 businesstradings.duckdns.org 2->47 49 taiwantrades.com.br 2->49 51 coralasargetia.ro 2->51 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 13 other signatures 2->61 9 powershell.exe 18 2->9         started        12 wscript.exe 1 2->12         started        signatures3 59 Uses dynamic DNS services 47->59 process4 signatures5 65 Early bird code injection technique detected 9->65 67 Writes to foreign memory regions 9->67 69 Found suspicious powershell code related to unpacking or dynamic code loading 9->69 77 3 other signatures 9->77 14 msiexec.exe 9->14         started        17 msiexec.exe 2 12 9->17         started        20 conhost.exe 9->20         started        71 VBScript performs obfuscated calls to suspicious functions 12->71 73 Suspicious powershell command line found 12->73 75 Wscript starts Powershell (via cmd or directly) 12->75 79 3 other signatures 12->79 22 powershell.exe 14 16 12->22         started        process6 dnsIp7 81 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->81 83 Obfuscated command line found 14->83 85 Unusual module load detection (module proxying) 14->85 41 coralasargetia.ro 81.180.138.230, 443, 49724 RCS-RDS73-75DrStaicoviciRO Romania 17->41 43 businesstradings.duckdns.org 185.167.61.11, 3033, 49725 INETLTDTR Turkey 17->43 24 cmd.exe 1 17->24         started        27 cmd.exe 1 17->27         started        29 msiexec.exe 17->29         started        45 taiwantrades.com.br 179.188.12.48, 443, 49720 LocawebServicosdeInternetSABR Brazil 22->45 87 Found suspicious powershell code related to unpacking or dynamic code loading 22->87 31 conhost.exe 22->31         started        signatures8 process9 signatures10 63 Obfuscated command line found 24->63 33 conhost.exe 24->33         started        35 reg.exe 1 1 24->35         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        process11
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2025-11-26 10:52:42 UTC
File Type:
Text (VBS)
AV detection:
8 of 37 (21.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Badlisted process makes network request
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
businesstradings.duckdns.org:3033
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
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts

File information


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

Comments