MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: 6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780
SHA3-384 hash: cac5e40778017d320fc7462c55ccfaaeeed60c1ee1dbf2595bffeb1585b998ff106536ead29b51a20cfc6d07a6ce2c2e
SHA1 hash: eee5567985dd354d13bb0839cb595922a1994638
MD5 hash: 470a4551c296fd4fff478d38f5b5a605
humanhash: butter-texas-november-coffee
File name:Aplicação.msi
Download: download sample
File size:17'141'248 bytes
First seen:2023-04-11 14:12:40 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:BdwqnLCPeReqEEQJUdcDylAM/IXAaVSsdsSBoZD2:BCueeAqRJdc+AmIQ3Sq
Threatray 13 similar samples on MalwareBazaar
TLSH T12B073325A3CBC632C15D027BE95EFE2E05397E63533011E7B6B5395B48F18C2A5BCA42
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter FXOLabs
Tags:msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
BR BR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Program.Unwanted.5405.22349.11000.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
ousaban shell32.dll
Link:
https://www.filescan.io/uploads/64356aeff40ab7ac37f954f2/reports/6202ceb1-4805-4c64-a136-c322c576740a/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1211858
Signature
Antivirus detection for dropped file
Creates multiple autostart registry keys
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-05 04:35:37 UTC
File Type:
Binary (Archive)
Extracted files:
158
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ni5dytijs2jtboj6fddwcjmvmsjagx5wbqs7oon3ndl6iwxk66aa._file
Verdict:
unknown
Similar samples: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 3 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230411-rjd39see7v/
Behaviour
Modifies Internet Explorer settings
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/6a3a3c4d09969330b93e28c76125956492035fb60c25f739bb68d7e45aeaf780

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:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:yara_template
Create hunting rule

File information

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

  
Delivery method
Distributed via e-mail link

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