MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5120ba9e08623e6f047e1c50aacc2787631e53d8fd547f5d45cd7af81fd7494. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: e5120ba9e08623e6f047e1c50aacc2787631e53d8fd547f5d45cd7af81fd7494
SHA3-384 hash: fdf4e09ee06b75e19623e0973a4a839d51706f033f19b6397652de39020774bdbc206895113c0cdddef645bddb124b29
SHA1 hash: 4392acde6197c2654cb30e8765f9d1f5a5399636
MD5 hash: 3fb83cfc1f2ae8ea6239604090239b9e
humanhash: winner-mobile-lemon-juliet
File name:Conferma di pagamento 14.11.2022.vbs
Download: download sample
Signature GuLoader
File size:245'634 bytes
First seen:2022-11-14 10:36:12 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:1rfcnVrMRKii+Mfdoedp+Kg+M4300kjwYQLDvNsTidbqEUF+0bs8+8h+J9:wrBii+Ol+KgorkFQ3ljE+zgu
Threatray 18'592 similar samples on MalwareBazaar
TLSH T12734C17C0702D9E1F7DF70AACC140A889DD88BE38E30049BB57152B5AEB769C47517EA
Reporter JAMESWT_WT
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
IT IT
Vendor Threat Intelligence
Result
Verdict:
UNKNOWN
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Potential malicious VBS script found (suspicious strings)
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745469 Sample: Conferma di pagamento 14.11... Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 8 wscript.exe 1 1 2->8         started        process3 signatures4 48 VBScript performs obfuscated calls to suspicious functions 8->48 50 Wscript starts Powershell (via cmd or directly) 8->50 52 Obfuscated command line found 8->52 54 Very long command line found 8->54 11 powershell.exe 23 8->11         started        15 cmd.exe 1 8->15         started        process5 file6 34 C:\Users\user\AppData\...\4dxlacvb.cmdline, Unicode 11->34 dropped 56 Tries to detect Any.run 11->56 17 CasPol.exe 7 11->17         started        21 csc.exe 3 11->21         started        24 conhost.exe 11->24         started        26 CasPol.exe 11->26         started        28 conhost.exe 15->28         started        signatures7 process8 dnsIp9 36 finiery.tk 109.123.244.194, 80 CASABLANCA-ASInternetCollocationProviderCZ Czech Republic 17->36 46 Tries to detect Any.run 17->46 32 C:\Users\user\AppData\Local\...\4dxlacvb.dll, PE32 21->32 dropped 30 cvtres.exe 1 21->30         started        file10 signatures11 process12
Threat name:
Script-WScript.Trojan.Guloader
Status:
Malicious
First seen:
2022-11-14 06:55:17 UTC
File Type:
Text (VBS)
AV detection:
13 of 41 (31.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
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 NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Checks computer location settings
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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