MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69
SHA3-384 hash: db41803ea5a648a2dec1960c531ef7b277d173cf85f85b3b6e1c827cd4bdef7bd5080ea97fd64cdfe66c53aa0a01f255
SHA1 hash: c5ca002fec78b61a4b14ce00b5a20b6005f31ca7
MD5 hash: 3c6f7d5e081eec7cff4ff305f9eef2b7
humanhash: johnny-beryllium-aspen-pennsylvania
File name:NfE_3200vfrtytooi534eerQs0183nbnmbbmb28.msi
Download: download sample
File size:974'848 bytes
First seen:2023-08-01 14:13:52 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 24576:XNGyyzQyz5io+HExGWUAyiqZmYUBqnGIQ5M6DLrVVdWmArzre:XNGrz5io+HGGWxyzmYmlrXVVdWmArzre
Threatray 10 similar samples on MalwareBazaar
TLSH T18F259D117AC2C832E47A05702E2AC76A456EBD204BF1C8EF63D45E2E1F316D25636F67
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 :
83
Origin country :
BR BR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/439623/
Detection(s):
Porcupine.BAT.Downloader.Agent.OLP.155195.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin remote shell32
Link:
https://www.filescan.io/uploads/64c9132b1b48787a4970cd0a/reports/f0ab5408-fbe4-46e8-aa21-0001a5007d57/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1283803
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Contain functionality to detect virtual machines
Drops executables to the windows directory (C:\Windows) and starts them
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Powershell drops PE file
Query firmware table information (likely to detect VMs)
Suspicious powershell command line found
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses shutdown.exe to shutdown or reboot the system
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283803 Sample: NfE_3200vfrtytooi534eerQs01... Startdate: 01/08/2023 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected Powershell download and execute 2->68 70 Tries to detect sandboxes and other dynamic analysis tools (window names) 2->70 72 2 other signatures 2->72 7 MsSpellCheckingFacility5507  .exe 1 6 2->7         started        11 cmd.exe 1 2->11         started        13 msiexec.exe 13 34 2->13         started        16 msiexec.exe 2 2->16         started        process3 dnsIp4 60 starlike.reiclagemltda.com 142.93.100.140, 443, 49702 DIGITALOCEAN-ASNUS United States 7->60 86 Query firmware table information (likely to detect VMs) 7->86 88 Tries to detect sandboxes / dynamic malware analysis system (registry check) 7->88 18 explorer.exe 1 1 7->18 injected 21 EfWKMFiKkpWGx.exe 7->21 injected 23 EfWKMFiKkpWGx.exe 7->23 injected 37 26 other processes 7->37 90 Suspicious powershell command line found 11->90 92 Bypasses PowerShell execution policy 11->92 25 powershell.exe 26 31 11->25         started        29 conhost.exe 11->29         started        31 cmd.exe 1 11->31         started        52 C:\Windows\Installer\MSI3E84.tmp, PE32 13->52 dropped 54 C:\Windows\Installer\MSI3D57.tmp, PE32 13->54 dropped 56 C:\Windows\Installer\MSI3CE8.tmp, PE32 13->56 dropped 58 2 other files (none is malicious) 13->58 dropped 94 Drops executables to the windows directory (C:\Windows) and starts them 13->94 33 MSI3E84.tmp 13->33         started        35 msiexec.exe 13->35         started        file5 signatures6 process7 dnsIp8 74 Writes to foreign memory regions 18->74 76 Allocates memory in foreign processes 18->76 39 MsSpellCheckingFacility5507  .exe 18->39         started        62 renderizepro.gtsoma.com 173.82.240.229, 443, 49700, 49701 MULTA-ASN1US United States 25->62 64 192.168.2.1 unknown unknown 25->64 44 C:\Users\user\...\Thunderbo.dll (copy), PE32 25->44 dropped 46 MsSpellCheckingFacility5507...exe (copy), PE32 25->46 dropped 48 C:\Users\user\AppData\Local\AMD64_\...\03, PE32 25->48 dropped 50 C:\Users\user\AppData\Local\AMD64_\...\01, PE32 25->50 dropped 78 Uses shutdown.exe to shutdown or reboot the system 25->78 80 Powershell drops PE file 25->80 42 shutdown.exe 1 25->42         started        file9 signatures10 process11 signatures12 82 Query firmware table information (likely to detect VMs) 39->82 84 Tries to detect sandboxes / dynamic malware analysis system (registry check) 39->84
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69/
Threat name:
Script-BAT.Trojan.Batfuscator
Create hunting rule
Status:
Malicious
First seen:
2023-07-27 13:55:59 UTC
File Type:
Binary (Archive)
Extracted files:
55
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkfimmtcy3wcovytvw3kfejrjb6xtbvtox5p4tdzp32ywxepnvuq._file
Verdict:
unknown
Similar samples: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Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/230801-rjzd7sgb88/
Behaviour
Modifies data under HKEY_USERS
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
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69

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:Disclosed_0day_POCs_payload_MSI
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects POC code from disclosed 0day hacktool set
Reference:Disclosed 0day Repos
Rule name:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR
Rule name:win_blacksoul_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.blacksoul.

File information

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

Malspam

Microsoft Software Installer (MSI) msi 3a8a863262c6ec275713adb6a29131487d7986b375fafe4c797ef58b5c8f6d69

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439623/

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