MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34c768dc6ccd4328321bec83e5f61ad3a66e32d1aa019b81fa37e1578033524c. 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



Grandoreiro


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 34c768dc6ccd4328321bec83e5f61ad3a66e32d1aa019b81fa37e1578033524c
SHA3-384 hash: b293e13733727dc12cd2865215715eb9817e22ea327d008f6ce2c0b9f8a652a9174bf11467dbc4eb251f18147905a0d3
SHA1 hash: 117828ef411abb2850b783ca84d82deeacd06a6a
MD5 hash: 95a133b18c71e49b4b85055845b1ed9b
humanhash: mississippi-nineteen-nevada-summer
File name:6725c86d7fc7b.vbs
Download: download sample
Signature Grandoreiro
File size:719 bytes
First seen:2024-11-02 06:40:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12:BUYhWihsFp/K41xLJWCH/lA4AZ7FXZ3ssOA74SrZHw4SlHB:B/sF9K41RzHdHAhlOA0SrVS7
TLSH T14C019742FA098794C22987C000259059F35CD66948B5CA1DF31AE97F38B50F52E9B3AE
Magika vba
Reporter NDA0E
Tags:geo Grandoreiro MEX PRT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
powershell autorun emotet
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Excessive usage of taskkill to terminate processes
Multi AV Scanner detection for dropped file
Overwrites code with function prologues
Potential malicious VBS script found (has network functionality)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
System process connects to network (likely due to code injection or exploit)
Uses ipconfig to lookup or modify the Windows network settings
Uses ping.exe to check the status of other devices and networks
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1547334 Sample: 6725c86d7fc7b.vbs Startdate: 02/11/2024 Architecture: WINDOWS Score: 100 77 worldtimeapi.org 2->77 79 adjunto.pdfxml.store 2->79 89 Multi AV Scanner detection for dropped file 2->89 91 Sigma detected: WScript or CScript Dropper 2->91 93 Sigma detected: Script Initiated Connection to Non-Local Network 2->93 95 Sigma detected: Script Interpreter Execution From Suspicious Folder 2->95 11 wscript.exe 1 2->11         started        signatures3 process4 signatures5 111 Benign windows process drops PE files 11->111 113 VBScript performs obfuscated calls to suspicious functions 11->113 115 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->115 117 Suspicious execution chain found 11->117 14 cmd.exe 3 2 11->14         started        16 cmd.exe 1 11->16         started        18 cmd.exe 11->18         started        process6 process7 20 wscript.exe 1 23 14->20         started        25 conhost.exe 14->25         started        27 curl.exe 2 16->27         started        29 conhost.exe 16->29         started        31 conhost.exe 18->31         started        33 wscript.exe 18->33         started        dnsIp8 83 62.113.116.63, 49714, 80 VDSINA-ASRU Russian Federation 20->83 69 C:\_6725c86d7fae4\unrar.dll, PE32 20->69 dropped 71 C:\_6725c86d7fae4\CSRPS.exe, PE32 20->71 dropped 73 C:\_6725c86d7fae4\7zxa.dll, PE32 20->73 dropped 99 System process connects to network (likely due to code injection or exploit) 20->99 101 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->101 35 CSRPS.exe 2 7 20->35         started        85 127.0.0.1 unknown unknown 27->85 87 adjunto.pdfxml.store 188.114.97.3, 443, 49712 CLOUDFLARENETUS European Union 27->87 75 C:\Users\Public\6725c86d7fc7f.vbs, ASCII 27->75 dropped 103 Potential malicious VBS script found (has network functionality) 27->103 file9 signatures10 process11 dnsIp12 81 worldtimeapi.org 213.188.196.246 TELIA-NORWAY-ASTeliaNorwayCoreNetworksNO Italy 35->81 67 C:\Users\user\AppData\Local\Temp\hcx.dll, PE32 35->67 dropped 97 Overwrites code with function prologues 35->97 40 cmd.exe 1 35->40         started        43 cmd.exe 35->43         started        45 cmd.exe 35->45         started        47 8 other processes 35->47 file13 signatures14 process15 signatures16 105 Uses ping.exe to check the status of other devices and networks 40->105 107 Uses ipconfig to lookup or modify the Windows network settings 40->107 109 Excessive usage of taskkill to terminate processes 40->109 49 conhost.exe 40->49         started        59 5 other processes 40->59 51 conhost.exe 43->51         started        61 3 other processes 43->61 53 conhost.exe 45->53         started        63 3 other processes 45->63 55 conhost.exe 47->55         started        57 conhost.exe 47->57         started        65 27 other processes 47->65 process17
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-11-02 06:41:04 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Behaviour
Gathers network information
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Modifies Windows Firewall
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

File information


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

Web download

Grandoreiro

Visual Basic Script (vbs) vbs 34c768dc6ccd4328321bec83e5f61ad3a66e32d1aa019b81fa37e1578033524c

(this sample)

  
Delivery method
Distributed via web download

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