MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23fb71fa072092de2c14bad7aa6fc7e203c694823eda5c2ffaa6fd11c193d967. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 23fb71fa072092de2c14bad7aa6fc7e203c694823eda5c2ffaa6fd11c193d967
SHA3-384 hash: c1b203538dbc2e39d5c41a4b45406618f603c8fde7024b159fd76f3f6b8a537bd3b1736744da48766afe0d7934459f98
SHA1 hash: 48ec5639de903ef30da23ee6365dfd0d7ad13c1d
MD5 hash: 4bc2d51a5e423bc6e8b855306ade698c
humanhash: east-quebec-fillet-helium
File name:das192624nfe747.568233.96867.msi
Download: download sample
Signature Grandoreiro
File size:6'382'592 bytes
First seen:2022-02-21 15:51:14 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:8wUTLFnQVcw6Aw1LtB4WwAwu2U5BDBGYaA:8fnFnOwptB4jwB
Threatray 42 similar samples on MalwareBazaar
TLSH T115567D12B784763ED46F0A3A5837E254997F7B7139528C9767F0088CCF39640AB3A687
Reporter cocaman
Tags:Grandoreiro msi

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
control.exe expand.exe replace.exe update.exe
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 575837 Sample: das192624nfe747.568233.96867.msi Startdate: 21/02/2022 Architecture: WINDOWS Score: 48 17 Multi AV Scanner detection for submitted file 2->17 6 msiexec.exe 9 28 2->6         started        9 msiexec.exe 2 2->9         started        process3 file4 13 C:\Windows\Installer\MSIB630.tmp, PE32 6->13 dropped 15 C:\Windows\Installer\MSIB341.tmp, PE32 6->15 dropped 11 msiexec.exe 6->11         started        process5
Threat name:
Win32.Downloader.BanLoad
Status:
Malicious
First seen:
2022-02-21 15:52:19 UTC
File Type:
Binary (Archive)
Extracted files:
110
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Enumerates connected drives
Loads dropped DLL
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:Adsterra_Adware_DOM
Author:IlluminatiFish
Description:Detects Adsterra adware script being loaded without the user's consent
Rule name:suspicious_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR
Rule name:win_grandoreiro_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

Comments