MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26. 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: 17


Intelligence 17 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26
SHA3-384 hash: 01e55f25318ccc7c1ddf58ba524fa81d7eae7f8ab25d96ac7173a59c9659444b4030959cc78de01f409ab68f75f8dc6d
SHA1 hash: f5b92a3029956c3e4267b351d67350b1d929ec14
MD5 hash: d8ad12b847b286334508936bc19a7940
humanhash: nevada-oklahoma-failed-delaware
File name:Built.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:11'512'505 bytes
First seen:2025-10-28 19:27:45 UTC
Last seen:2025-10-29 16:54:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (38 x BlankGrabber, 15 x PythonStealer, 15 x SalatStealer)
ssdeep 196608:aLidFbywvTXXXuj9fZwQRCgafs8rDkfCRcbM6uoy1PZAM9qxgxR3DbMyDndkyC:aLiHvTXXXyw84fsekfxbM6uoy1PZ/wkc
TLSH T12BC633495AA509F7E5A3597E8823C936ABB7FD901FD4C7CF022413242E575E20D3B32A
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter burger
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Built.exe
Verdict:
Malicious activity
Analysis date:
2025-10-28 19:27:45 UTC
Tags:
uac python anti-evasion stealer auto-startup screenshot telegram blankgrabber evasion pyinstaller generic susp-powershell ims-api
Link:
https://app.any.run/tasks/6c4316a0-6ee6-4547-89f9-ec1c30f64418

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BlankStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34548/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6901193e706befaf4ec9c770
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching the process to change network settings
Loading a suspicious library
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
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
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand invalid-signature lolbin microsoft_visual_cc obfuscated overlay signed threat
Link:
https://www.filescan.io/uploads/6901196c76f7b3cd717123c3/reports/256bc502-a6b8-4792-a1ed-f79c0f590908/overview
Verdict:
Malicious
Labled as:
Win64/Packed.PyInstaller
Link:
https://www.hybrid-analysis.com/sample/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan-Spy.Win32.Agent.dffz Trojan-PSW.Python.Blank.sb HEUR:Trojan-PSW.Python.Blank.gen
Link:
https://opentip.kaspersky.com/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7672e493-61b4-40ed-9811-881fb6a4cdad
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1803481
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious PE digital signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
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
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
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: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Startup Folder Persistence
Suricata IDS alerts for network traffic
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 netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1803481 Sample: Built.exe Startdate: 28/10/2025 Architecture: WINDOWS Score: 100 67 api.telegram.org 2->67 69 api.telegram.org/bot8287936516 unknown unknown 2->69 71 ip-api.com 2->71 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Sigma detected: Capture Wi-Fi password 2->89 93 12 other signatures 2->93 11 Built.exe 81 2->11         started        signatures3 91 Uses the Telegram API (likely for C&C communication) 67->91 process4 file5 55 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->55 dropped 57 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->57 dropped 59 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->59 dropped 61 62 other files (none is malicious) 11->61 dropped 113 Modifies Windows Defender protection settings 11->113 115 Adds a directory exclusion to Windows Defender 11->115 117 Tries to harvest and steal WLAN passwords 11->117 119 2 other signatures 11->119 15 Built.exe 1 105 11->15         started        signatures6 process7 dnsIp8 73 ip-api.com 208.95.112.1, 49697, 80 TUT-ASUS United States 15->73 75 api.telegram.org 149.154.167.220, 443, 49698 TELEGRAMRU United Kingdom 15->75 77 Found many strings related to Crypto-Wallets (likely being stolen) 15->77 79 Tries to harvest and steal browser information (history, passwords, etc) 15->79 81 Modifies Windows Defender protection settings 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 1 15->24         started        26 24 other processes 15->26 signatures9 process10 signatures11 95 Suspicious powershell command line found 19->95 97 Encrypted powershell cmdline option found 19->97 99 Bypasses PowerShell execution policy 19->99 101 Uses netsh to modify the Windows network and firewall settings 19->101 28 powershell.exe 23 19->28         started        31 conhost.exe 19->31         started        103 Modifies Windows Defender protection settings 22->103 105 Removes signatures from Windows Defender 22->105 33 powershell.exe 23 22->33         started        43 2 other processes 22->43 107 Adds a directory exclusion to Windows Defender 24->107 35 powershell.exe 24->35         started        37 conhost.exe 24->37         started        109 Tries to harvest and steal WLAN passwords 26->109 111 Uses WMIC command to query system information (often done to detect virtual machines) 26->111 39 getmac.exe 26->39         started        41 WMIC.exe 26->41         started        45 46 other processes 26->45 process12 file13 121 Loading BitLocker PowerShell Module 28->121 123 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->123 125 Writes or reads registry keys via WMI 39->125 127 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->127 63 C:\Users\user\AppData\...\xfo4dc1x.cmdline, Unicode 45->63 dropped 65 C:\Users\user\AppData\Local\Temp\vGEQK.zip, RAR 45->65 dropped 48 csc.exe 45->48         started        signatures14 process15 file16 53 C:\Users\user\AppData\Local\...\xfo4dc1x.dll, PE32 48->53 dropped 51 cvtres.exe 48->51         started        process17
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/d8ad12b847b286334508936bc19a7940
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26/
Verdict:
Malicious
Threat:
Family.BLANKGRABBER
Link:
https://tip.neiki.dev/file/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-10-28 19:27:46 UTC
File Type:
PE+ (Exe)
Extracted files:
940
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xjesyrtxbwr5u2d67ek4ud3b7vfw645gobkrjaokkkepbmg3tqta._file
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/251028-x61hnsbm6t/
Behaviour
Detects videocard installed
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Enumerates processes with tasklist
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2f7d9069-1f64-4f2a-b5a8-8f629332c766
Unpacked files
SH256 hash:
ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26
MD5 hash:
d8ad12b847b286334508936bc19a7940
SHA1 hash:
f5b92a3029956c3e4267b351d67350b1d929ec14
Link:
https://www.unpac.me/results/2ba0be0e-7f84-44bd-8f60-a79facf205fc/
Malware family:
BlankGrabber
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba492c46770d/report/overview.html
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/ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26

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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
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.

BlankGrabber

rar 344221c19430bd0768e1befc478801a1af01a993ffafeabeeffbd89a375801ae

BlankGrabber

Executable exe 8822e22d3710e18e50c34361ecc837557f5fe22c5cdf24cfea2575e77309c36b

BlankGrabber

Executable exe ba492c46770da3da687ef915ca0f61fd4b6f73a670551481ca5288f0b0db9c26

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/34548/
  
Dropped by
SHA256 8822e22d3710e18e50c34361ecc837557f5fe22c5cdf24cfea2575e77309c36b
  
Dropped by
MD5 fd230aaae8cabf950d5edec87422a223
  
URLhaus
https://urlhaus.abuse.ch/url/3690451/
  
Delivery method
Distributed via web download

Comments