MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58. 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: 15


Intelligence 15 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58
SHA3-384 hash: 8c492e7df062347f5b28b9da5f17660c31f6cd88e79a596aa88ac908e528b26e8f1bf746cd132418d61963d4e0fc589e
SHA1 hash: 633152a6ddee3aa62247a22251261a156ce12c69
MD5 hash: dcf7ed9c4c97545a5536d6cc544219da
humanhash: october-fruit-march-carbon
File name:Builder.bat
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:10'631'704 bytes
First seen:2025-07-27 17:43:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c990338f8145dc29c6f38fb73cf05c77 (58 x BlankGrabber, 7 x PythonStealer, 5 x DiscordTokenStealer)
ssdeep 196608:5apNcvZYxj9fZwQRCgjmpXHIEGn7jdfPjRMsqeXL2yrjAnDkye:Qp8YRw8ERIEgfPjSDNWCkye
TLSH T128B633086BD915F6F5F6853C4C13C82AA772BDA21F64C2DF02AA422C1E17ED1597F362
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 :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Builder.bat
Verdict:
Malicious activity
Analysis date:
2025-07-27 17:43:27 UTC
Tags:
uac blankgrabber evasion python stealer auto-startup screenshot susp-powershell discord pyinstaller ims-api generic
Link:
https://app.any.run/tasks/592aa1e1-647a-420d-b68a-d72a18a95345

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/17201/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=688665400b4775fb213232a5
Tags:
shell virus sage
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
Launching a process
Loading a suspicious library
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Reading critical registry keys
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
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
Link:
https://www.filescan.io/uploads/6886657d13488cfd44da7e3e/reports/a28d090e-c207-4967-b00b-3c60884a3dcb/overview
Verdict:
Malicious
Labled as:
Application.Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ebbb9d73-4336-4895-b568-025e19a1696f
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1745090
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
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)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
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)
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
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1745090 Sample: Builder.bat.exe Startdate: 27/07/2025 Architecture: WINDOWS Score: 100 67 ip-api.com 2->67 69 discord.com/api/webhooks/1398913361143529612/bv9t1pegxrnhoalbs3mgvnkhzftusk157xbhlfoevtqygsg1zph9yim-uk-19z9tnziu unknown unknown 2->69 71 2 other IPs or domains 2->71 85 Found malware configuration 2->85 87 Sigma detected: Capture Wi-Fi password 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 13 other signatures 2->91 11 Builder.bat.exe 41 2->11         started        signatures3 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 22 other files (none is malicious) 11->61 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 2 other signatures 11->117 15 Builder.bat.exe 1 87 11->15         started        signatures6 process7 dnsIp8 73 ip-api.com 208.95.112.1, 49692, 49698, 80 TUT-ASUS United States 15->73 75 discord.com 162.159.135.232, 443, 49699 CLOUDFLARENETUS United States 15->75 77 Found many strings related to Crypto-Wallets (likely being stolen) 15->77 79 Self deletion via cmd or bat file 15->79 81 Tries to harvest and steal browser information (history, passwords, etc) 15->81 83 7 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 36 other processes 15->26 signatures9 process10 signatures11 93 Suspicious powershell command line found 19->93 95 Uses ping.exe to sleep 19->95 97 Uses cmd line tools excessively to alter registry or file data 19->97 109 4 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        43 2 other processes 22->43 103 Adds a directory exclusion to Windows Defender 24->103 35 powershell.exe 24->35         started        37 conhost.exe 24->37         started        105 Encrypted powershell cmdline option found 26->105 107 Tries to harvest and steal WLAN passwords 26->107 39 getmac.exe 26->39         started        41 systeminfo.exe 26->41         started        45 70 other processes 26->45 process12 file13 119 Loading BitLocker PowerShell Module 33->119 121 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->121 123 Writes or reads registry keys via WMI 39->123 63 C:\Users\user\AppData\...\zdgpnwjb.cmdline, Unicode 45->63 dropped 65 C:\Users\user\AppData\Local\Temp\FSgHx.zip, RAR 45->65 dropped 48 csc.exe 45->48         started        signatures14 process15 file16 53 C:\Users\user\AppData\Local\...\zdgpnwjb.dll, PE32 48->53 dropped 51 cvtres.exe 48->51         started        process17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/dcf7ed9c4c97545a5536d6cc544219da
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58/
Verdict:
Malicious
Threat:
Trojan-PSW.Python.Blank
Link:
https://tip.neiki.dev/file/e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58
Threat name:
Win64.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2025-07-27 17:43:28 UTC
File Type:
PE+ (Exe)
Extracted files:
905
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5frborivet63juokvwnu55xrgwoqbf5yqaan434gdnv7cxuqrzma._file
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber discovery execution upx
Link:
https://tria.ge/reports/250727-wbcyfscr7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates processes with tasklist
UPX packed file
Looks up external IP address via web service
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
External_IP_Lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/b921f1dc-4a98-40a0-b6c2-b5e77d9b4c4f
Unpacked files
SH256 hash:
e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58
MD5 hash:
dcf7ed9c4c97545a5536d6cc544219da
SHA1 hash:
633152a6ddee3aa62247a22251261a156ce12c69
Link:
https://www.unpac.me/results/8b023063-f497-4356-a147-0e32c3b5c083/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/e96217451524fdb4d1caad9b4ef6f1359d0097b88000de6f861b6bf15e908e58

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

Cape
Cape
https://www.capesandbox.com/analysis/17201/

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::PeekMessageW
USER32.dll::CreateWindowExW

Comments