MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd507ae47d810144a22828e8e9a0cd84764116c0e6147a35d665e6acf88fb82c. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: bd507ae47d810144a22828e8e9a0cd84764116c0e6147a35d665e6acf88fb82c
SHA3-384 hash: 57a68bbf0c830917b2d7eab852d147e88e01f3cc5890d176d7ab67b9cba11025957bb52c85922888e48b69ff9c584cd5
SHA1 hash: 4682bb810967aafbb3a5106f746a8702c6f0e474
MD5 hash: c8268a3df5b5482622a268e05778ec60
humanhash: skylark-florida-helium-bravo
File name:Tutelar.vbe
Download: download sample
Signature GuLoader
File size:53'447 bytes
First seen:2023-11-01 06:47:56 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 768:hVsvoMUhiysh5D1FrWIcC0q4XYEU5UMoKaXly8km40a5CgIdYBffotLEDrC3t6Af:DV8Xh53r/cC0qLEUdXVS2ZQtL+rBFj0
Threatray 975 similar samples on MalwareBazaar
TLSH T123336CA2DA56070B4D4B27C9DD824981C1BD801D15364526FFD913CEA30B66CE3BEF1E
Reporter abuse_ch
Tags:GuLoader vbe

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cerberus
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
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 AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335273 Sample: Tutelar.vbe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 24 trualliant.com 2->24 26 mail.trualliant.com 2->26 28 5 other IPs or domains 2->28 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 2 other signatures 2->42 9 wscript.exe 2->9         started        signatures3 process4 signatures5 52 Suspicious powershell command line found 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 56 Obfuscated command line found 9->56 58 2 other signatures 9->58 12 powershell.exe 16 9->12         started        process6 signatures7 60 Suspicious powershell command line found 12->60 62 Obfuscated command line found 12->62 64 Very long command line found 12->64 15 powershell.exe 21 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 66 Writes to foreign memory regions 15->66 68 Maps a DLL or memory area into another process 15->68 70 Found suspicious powershell code related to unpacking or dynamic code loading 15->70 72 Hides threads from debuggers 15->72 20 CasPol.exe 15 10 15->20         started        process10 dnsIp11 30 api4.ipify.org 64.185.227.156, 443, 49723 WEBNXUS United States 20->30 32 googlehosted.l.googleusercontent.com 142.250.31.132, 443, 49714, 49716 GOOGLEUS United States 20->32 34 2 other IPs or domains 20->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->46 48 Tries to steal Mail credentials (via file / registry access) 20->48 50 2 other signatures 20->50 signatures12
Threat name:
Script-WScript.Trojan.Guloader
Status:
Malicious
First seen:
2023-10-31 12:23:52 UTC
File Type:
Text (VBS)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Guloader,Cloudeye
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:Cerberus
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus

File information


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

Comments