MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eda3294e4e556c2c5e7e8e156754a0ae20044395f1d87499e3c35c872785598f. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: eda3294e4e556c2c5e7e8e156754a0ae20044395f1d87499e3c35c872785598f
SHA3-384 hash: dd49ff877e6cbda872f992d00f51ab15ffe6fcd01ef18101e976bf8c60510bf9fe9e3c5f46f1f67ecd8041d276139934
SHA1 hash: d50a1b3cd5b14d6e51be220e242d81d48ca2be07
MD5 hash: 3af0ac34265268443409c2c986702dd2
humanhash: king-massachusetts-early-mobile
File name:Virelais.vbs
Download: download sample
Signature GuLoader
File size:437'365 bytes
First seen:2023-10-10 11:28:03 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:Bpje23fnUy81AhR/o4gmBaW+9V1+GcTbXsiee4Dbj6c2WN9XtnXsD/tRe7FFmF5:Le8U11uP0V3JpbV77yF5
Threatray 228 similar samples on MalwareBazaar
TLSH T1FA945CB1EF98151A0C4B37EADC414C81C5BDC16A5927106AFEDD17CFA10B59CA3BEB0A
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
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
Maps a DLL or memory area into another process
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
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: 1322829 Sample: Virelais.vbs Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 24 mail.dai-logistic.co.id 2->24 26 googlehosted.l.googleusercontent.com 2->26 28 3 other IPs or domains 2->28 36 Yara detected GuLoader 2->36 38 Yara detected AgentTesla 2->38 9 wscript.exe 2->9         started        signatures3 process4 signatures5 48 VBScript performs obfuscated calls to suspicious functions 9->48 50 Suspicious powershell command line found 9->50 52 Wscript starts Powershell (via cmd or directly) 9->52 54 2 other signatures 9->54 12 powershell.exe 16 9->12         started        process6 signatures7 56 Suspicious powershell command line found 12->56 58 Obfuscated command line found 12->58 60 Very long command line found 12->60 15 powershell.exe 18 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 62 Writes to foreign memory regions 15->62 64 Maps a DLL or memory area into another process 15->64 66 Found suspicious powershell code related to unpacking or dynamic code loading 15->66 20 CasPol.exe 10 15->20         started        process10 dnsIp11 30 drive.google.com 142.251.40.46, 443, 49713, 49716 GOOGLEUS United States 20->30 32 googlehosted.l.googleusercontent.com 172.217.14.65, 443, 49726 GOOGLEUS United States 20->32 34 dai-logistic.co.id 203.175.9.48, 49727, 587 FCCDCI-NET-PH4FPodiumRCBCPlazaTowerIPH Indonesia 20->34 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->42 44 Tries to steal Mail credentials (via file / registry access) 20->44 46 Tries to harvest and steal browser information (history, passwords, etc) 20->46 signatures12
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2023-10-10 11:29:05 UTC
File Type:
Text (VBS)
AV detection:
1 of 38 (2.63%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
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
Checks computer location settings
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

GuLoader

Visual Basic Script (vbs) vbs eda3294e4e556c2c5e7e8e156754a0ae20044395f1d87499e3c35c872785598f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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