MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e. 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


BlankGrabber


Vendor detections: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e
SHA3-384 hash: 9bf54062d0275914ad8d180742167e6c006820f1f92915c147b7cb5c3071ffd18e2efa35110f4cc83a20bd2016281dde
SHA1 hash: f296c4b7a4a7087acb7ea0aa064e4f63e84592d0
MD5 hash: 3836f3c404b6ebe3a5b063edff267524
humanhash: diet-jupiter-orange-finch
File name:Built.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:7'265'138 bytes
First seen:2024-07-26 12:42:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 456e8615ad4320c9f54e50319a19df9c (15 x SVCStealer, 10 x BlankGrabber, 5 x CoinMiner)
ssdeep 98304:4OzHqdVfB2FS27whzyuT/9vUIdD9C+z3zO917vOTh+ezDNh7bvmJ1nmOBN9n4m4p:4OQsUbT/9bvLz3S1bA3zin97C
TLSH T1137633EAA3C14EF5E4B7863DC2C18905DAB175270374DA8F03E462A61F17AD48E3B761
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter v9lu
Tags:64 BlankGrabber exe pyinstaller

Intelligence

File Origin
# of uploads :
1
# of downloads :
394
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Built.exe
Verdict:
Malicious activity
Analysis date:
2024-07-26 12:46:27 UTC
Tags:
blankgrabber uac python evasion discordgrabber generic stealer growtopia susp-powershell upx
Link:
https://app.any.run/tasks/11d85df6-b347-4993-a9e8-65b6033efe29

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Python.Muldrop.16.25653.2991.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a399ef81e42e2b16c7b6c6
Tags:
Discovery Encryption Execution Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
Reading critical registry keys
Creating a window
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
Stealing user critical data
Launching a tool to kill processes
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed
Link:
https://www.filescan.io/uploads/66a399ddbd793c18bfb6afcd/reports/f0c93f0b-a5d1-4ffb-aa84-2b56073f49c6/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c7cd527a-c9ba-4c55-b26d-3e164cdaf1f8
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1483037
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Modifies the hosts file
Modifies Windows Defender protection settings
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Removes signatures from Windows Defender
Sigma detected: Capture Wi-Fi password
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Startup Folder Persistence
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Crypto Currency Wallets
Uses attrib.exe to hide files
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Very long command line found
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1483037 Sample: Built.exe Startdate: 26/07/2024 Architecture: WINDOWS Score: 100 67 ip-api.com 2->67 69 discordapp.com 2->69 71 blank-tr164.in 2->71 85 Found malware configuration 2->85 87 Sigma detected: Capture Wi-Fi password 2->87 89 Yara detected Blank Grabber 2->89 91 9 other signatures 2->91 11 Built.exe 22 2->11         started        signatures3 process4 file5 57 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->57 dropped 59 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->59 dropped 61 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 11->61 dropped 63 16 other files (none is malicious) 11->63 dropped 111 Very long command line found 11->111 113 Modifies Windows Defender protection settings 11->113 115 Adds a directory exclusion to Windows Defender 11->115 117 2 other signatures 11->117 15 Built.exe 1 73 11->15         started        signatures6 process7 dnsIp8 73 ip-api.com 208.95.112.1, 49704, 49711, 80 TUT-ASUS United States 15->73 75 discordapp.com 162.159.135.233, 443, 49712 CLOUDFLARENETUS United States 15->75 77 Found many strings related to Crypto-Wallets (likely being stolen) 15->77 79 Uses cmd line tools excessively to alter registry or file data 15->79 81 Tries to harvest and steal browser information (history, passwords, etc) 15->81 83 6 other signatures 15->83 19 cmd.exe 1 15->19         started        22 cmd.exe 1 15->22         started        24 cmd.exe 15->24         started        26 29 other processes 15->26 signatures9 process10 signatures11 93 Suspicious powershell command line found 19->93 95 Very long command line found 19->95 97 Uses cmd line tools excessively to alter registry or file data 19->97 109 3 other signatures 19->109 28 powershell.exe 23 19->28         started        31 conhost.exe 19->31         started        99 Modifies Windows Defender protection settings 22->99 101 Removes signatures from Windows Defender 22->101 33 powershell.exe 23 22->33         started        41 2 other processes 22->41 103 Encrypted powershell cmdline option found 24->103 43 2 other processes 24->43 105 Adds a directory exclusion to Windows Defender 26->105 107 Tries to harvest and steal WLAN passwords 26->107 35 getmac.exe 26->35         started        37 powershell.exe 26->37         started        39 systeminfo.exe 26->39         started        46 50 other processes 26->46 process12 file13 119 Loading BitLocker PowerShell Module 28->119 121 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->121 123 Writes or reads registry keys via WMI 35->123 65 C:\Users\user\AppData\...\gc0d5idg.cmdline, Unicode 43->65 dropped 48 csc.exe 43->48         started        51 Conhost.exe 46->51         started        signatures14 process15 file16 55 C:\Users\user\AppData\Local\...\gc0d5idg.dll, PE32 48->55 dropped 53 cvtres.exe 48->53         started        process17
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-07-26 12:43:26 UTC
File Type:
PE+ (Exe)
Extracted files:
536
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjeym67agrnyu3zvfod26ykdcui2332e36ij2yej5a66iw4efqha._file
Verdict:
malicious
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Link:
https://tria.ge/reports/240726-pxxfnasapd/
Behaviour
Detects videocard installed
Gathers system information
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Internet Connection Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Enumerates processes with tasklist
Hide Artifacts: Hidden Files and Directories
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Clipboard Data
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7ae5d6de-b76a-43fe-8e7f-13c2760880c5
Unpacked files
SH256 hash:
8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e
MD5 hash:
3836f3c404b6ebe3a5b063edff267524
SHA1 hash:
f296c4b7a4a7087acb7ea0aa064e4f63e84592d0
Link:
https://www.unpac.me/results/feae6301-7431-4fcd-b196-39a8281c2d13/
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/8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PyInstaller_Packed_April_2024
Create hunting rule
Author:NDA0E
Description:Detects files packed with PyInstaller
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)

File information

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

Web download

BlankGrabber

Executable exe 8249867be0345b8a6f352b87af61431511adef44df909d6089e83de45b842c0e

(this sample)

BlankGrabber

192161662f04d3a37b55c2725140dba34f9ad72d11ac16edf17380ec524d0b2a

BlankGrabber

8cb26dfe675a52c1d8b3d5c0e14a69fcdcf9e09ade8df10b7df95cb127ce3e0f

BlankGrabber

78b67eb9acd376b86346214c7101abeecddacb9eebfa4b241c04ee0e0bc24c53

BlankGrabber

aad310cf4f61a89a34cf6b454ef481e07ebc515e26da7d9b9854fd24665a1a96

BlankGrabber

zip 648da2ae8bf6e14f281b3ec4bf036e3d422209bae12aaeafde83a6dab40e8874

  
Delivery method
Distributed via web download
  
Dropping
SHA256 648da2ae8bf6e14f281b3ec4bf036e3d422209bae12aaeafde83a6dab40e8874
  
Dropping
MD5 057574422540bb970ea6f4c0ac7733e1

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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