MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 279563c72fdcfa7fe078440f82764cd274f6885fe051b7c36557a0e8bbad55be. 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: 279563c72fdcfa7fe078440f82764cd274f6885fe051b7c36557a0e8bbad55be
SHA3-384 hash: ba6d39e202265167749c96f6c4be5029a0e8c903302a91ce2ff35758b7efc73bd295dfb3aa02bd5ce417eea7e7a8a0ed
SHA1 hash: 7eca2456f08adde64e6c607ae879ab1c3c592a2e
MD5 hash: efe2bd97a1a4e1975e6f52f8c8de7a39
humanhash: hydrogen-river-mockingbird-may
File name:RFQ20231024_Commercial list_pdf.vbs
Download: download sample
Signature GuLoader
File size:53'368 bytes
First seen:2023-10-24 12:50:05 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:XVUv/IuAiysMD1FDWp91JGogXSUUj5b+40ewKhKc3EVlt3t6AiFj0:FEDXM3Da91AogXO9qk3ClYFj0
Threatray 1'268 similar samples on MalwareBazaar
TLSH T16E337DA1EED8061B0D8F2BD9ED424986C1BDC41905365D25FEE9438DA20F59CD3BEB0E
Reporter malwarelabnet
Tags:AgentTesla GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
CA CA
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cerberus masquerade
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
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)
VBScript performs obfuscated calls to suspicious functions
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: 1331259 Sample: RFQ20231024_Commercial_list... Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 24 mail.lipp.com.my 2->24 26 lipp.com.my 2->26 28 5 other IPs or domains 2->28 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 Yara detected AgentTesla 2->40 9 wscript.exe 2->9         started        signatures3 process4 signatures5 50 VBScript performs obfuscated calls to suspicious functions 9->50 52 Suspicious powershell command line found 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 56 3 other signatures 9->56 12 powershell.exe 16 9->12         started        process6 signatures7 58 Suspicious powershell command line found 12->58 60 Obfuscated command line found 12->60 62 Very long command line found 12->62 15 powershell.exe 17 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 64 Writes to foreign memory regions 15->64 66 Maps a DLL or memory area into another process 15->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 15->68 20 CasPol.exe 15 10 15->20         started        process10 dnsIp11 30 api4.ipify.org 64.185.227.156, 443, 49724 WEBNXUS United States 20->30 32 googlehosted.l.googleusercontent.com 142.251.167.132, 443, 49723 GOOGLEUS United States 20->32 34 2 other IPs or domains 20->34 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->44 46 Tries to steal Mail credentials (via file / registry access) 20->46 48 2 other signatures 20->48 signatures12
Threat name:
Win32.Trojan.Valyria
Status:
Malicious
First seen:
2023-10-24 02:52:03 UTC
File Type:
Text (VBS)
AV detection:
5 of 38 (13.16%)
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 SetWindowsHookEx
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