MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a40a2016ba80e5cd702e8288a56cae1b8baf5da40d91478690f2a2096d1feb6. 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: 16


Intelligence 16 IOCs YARA 24 File information Comments

SHA256 hash: 1a40a2016ba80e5cd702e8288a56cae1b8baf5da40d91478690f2a2096d1feb6
SHA3-384 hash: f847a5442026b679be8fdbc65086fb1d70cb9f45753119da42fc124a81bcf959f0fc4f46f1bfab0d7e5532ce18a6054c
SHA1 hash: 2d38ee850fc677b89b65d7a8d6e1961ae3f9d3f0
MD5 hash: 9acd3756f74aca3a39f29bc7c133c216
humanhash: item-twelve-table-india
File name:Built.exe
Download: download sample
Signature BlankGrabber
File size:7'194'387 bytes
First seen:2026-06-01 15:27:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (59 x BlankGrabber, 27 x Efimer, 22 x NetSupport)
ssdeep 196608:HV1ACN5B6ylnlPzf+JiJCsmFMvYn625RXyqR:kgBRlnlPSa7mmvYZdyC
TLSH T1D4763398A77501EAF5FBE23CC902C556BB31B5298365DAE703D082292F236D16D7FB10
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter burger
Tags:BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
BlankGrabber BlankOBF PyInstaller
Details
Archives
extracted contents of the ZIP archive
BlankGrabber
a c2 url, a mutex, an archive password, and flags
BlankGrabber
AES-GCM decryption parameters, and, if the parent PyInstaller is available, a decrypted component
BlankOBF
an LZMA decompressed component
BlankOBF
a deobfuscated component
PyInstaller
a compiled assembly and a Python version
Malware family:
n/a
ID:
1
File name:
Built.exe
Verdict:
Malicious activity
Analysis date:
2026-06-01 15:27:27 UTC
Tags:
blankgrabber uac evasion stealer python screenshot ip-check pyinstaller

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
extens shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Reading critical registry keys
Launching a process
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
Loading a suspicious library
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug expand invalid-signature lolbin microsoft_visual_cc overlay packed packed pyinstaller reconnaissance signed
Verdict:
Malicious
Labled as:
Znyonm.A.6EEA54C7;Generic.Znyonm.B.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-31T18:19:00Z UTC
Last seen:
2026-06-01T11:37:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.MSIL.Stealer.sb HEUR:Trojan-PSW.Python.Blank.gen Trojan.Win32.ShyGuy.sb Trojan.Python.Agent.gen PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Agent.dffz Trojan-PSW.Python.Blank.sb Trojan.Win64.Agent.sb Trojan.Win32.Dizemp.sb Trojan.Win32.Agent.sb Trojan-PSW.Win64.Stealer.sb Trojan-PSW.Win64.Pyborg.sb Trojan-PSW.Win32.Disco.sb
Result
Threat name:
Blank Grabber
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies existing user documents (likely ransomware behavior)
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Potentially malicious time measurement code found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Removes signatures from Windows Defender
Self deletion via cmd or bat file
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: Rar Usage with Password and Compression Level
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Ping/Del Command Combination
Sigma detected: Suspicious PowerShell Encoded Command Patterns
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 netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses WMIC command to query system information (often done to detect virtual machines)
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1921174 Sample: Built.exe Startdate: 01/06/2026 Architecture: WINDOWS Score: 100 71 ip-api.com 2->71 73 discordkopru.vhuseyin147.workers.dev 2->73 87 Sigma detected: Capture Wi-Fi password 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 Yara detected Blank Grabber 2->91 93 9 other signatures 2->93 11 Built.exe 22 2->11         started        signatures3 process4 file5 63 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->63 dropped 65 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->65 dropped 67 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->67 dropped 69 16 other files (none is malicious) 11->69 dropped 111 Self deletion via cmd or bat file 11->111 113 Modifies Windows Defender protection settings 11->113 115 Adds a directory exclusion to Windows Defender 11->115 117 4 other signatures 11->117 15 Built.exe 1 67 11->15         started        signatures6 process7 dnsIp8 75 ip-api.com 208.95.112.1, 49731, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 15->75 77 discordkopru.vhuseyin147.workers.dev 172.67.202.52, 443, 49732 CLOUDFLARENET-CloudflareIncUS Canada 15->77 79 Found many strings related to Crypto-Wallets (likely being stolen) 15->79 81 Self deletion via cmd or bat file 15->81 83 Tries to harvest and steal browser information (history, passwords, etc) 15->83 85 7 other signatures 15->85 19 cmd.exe 1 15->19         started        22 cmd.exe 1 15->22         started        24 cmd.exe 15->24         started        26 25 other processes 15->26 signatures9 process10 signatures11 95 Suspicious powershell command line found 19->95 97 Uses ping.exe to sleep 19->97 99 Encrypted powershell cmdline option found 19->99 109 5 other signatures 19->109 28 conhost.exe 19->28         started        31 powershell.exe 19->31         started        101 Modifies Windows Defender protection settings 22->101 103 Removes signatures from Windows Defender 22->103 33 powershell.exe 23 22->33         started        44 2 other processes 22->44 35 powershell.exe 24->35         started        38 conhost.exe 24->38         started        105 Tries to harvest and steal WLAN passwords 26->105 107 Uses WMIC command to query system information (often done to detect virtual machines) 26->107 40 getmac.exe 26->40         started        42 WMIC.exe 26->42         started        46 48 other processes 26->46 process12 file13 119 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->119 121 Loading BitLocker PowerShell Module 33->121 48 WmiPrvSE.exe 33->48         started        59 C:\Users\user\AppData\...\bvolkjwl.cmdline, Unicode 35->59 dropped 123 Potential dropper URLs found in powershell memory 35->123 50 csc.exe 35->50         started        125 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 40->125 127 Writes or reads registry keys via WMI 40->127 61 C:\Users\user\AppData\Local\Temp\ehtku.zip, RAR 46->61 dropped 53 conhost.exe 46->53         started        signatures14 process15 file16 57 C:\Users\user\AppData\Local\...\bvolkjwl.dll, PE32 50->57 dropped 55 cvtres.exe 50->55         started        process17
Gathering data
Threat name:
Win64.Trojan.Znyonm
Status:
Malicious
First seen:
2026-05-31 23:19:52 UTC
File Type:
PE+ (Exe)
Extracted files:
539
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
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
UPX packed file
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
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Disables one or more Microsoft Defender components
Unpacked files
SH256 hash:
1a40a2016ba80e5cd702e8288a56cae1b8baf5da40d91478690f2a2096d1feb6
MD5 hash:
9acd3756f74aca3a39f29bc7c133c216
SHA1 hash:
2d38ee850fc677b89b65d7a8d6e1961ae3f9d3f0
Malware family:
BlankGrabber
Verdict:
Malicious
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:upx_largefile
Author:k3nr9
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Comments