MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c919980abdd05f7ff75c6b21d2cd85d5915938c987cd76d75e13b61d3111b26c. 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 26 File information Comments

SHA256 hash: c919980abdd05f7ff75c6b21d2cd85d5915938c987cd76d75e13b61d3111b26c
SHA3-384 hash: 3531d740d77764080a24922ace8581c9aa85ec68afe74a94368ff72d63e194d18054a2a90f7ded2d554d41b07de38bf5
SHA1 hash: 28f845191c16660f191c718a49836cfcc3e4796f
MD5 hash: 83ba9586add8720ae6dc8021be7ef828
humanhash: avocado-pennsylvania-spring-blue
File name:Built.exe
Download: download sample
Signature BlankGrabber
File size:8'141'159 bytes
First seen:2025-04-24 14:16:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 965e162fe6366ee377aa9bc80bdd5c65 (45 x BlankGrabber, 13 x CoinMiner, 9 x Efimer)
ssdeep 196608:TWOHUOXXKAp0oj9fZwQRCgiIKpdzjPOan7j2y283TOnOH:dxjw8wIKppDO9iH
TLSH T1BA86330957952DEAF8B6A23DCE22E826D37BBA550F00D6D342B455F20F23BC14937729
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 TheSillyFEllo
Tags:BlankGrabber discord exe RAT stealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
448
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Built.exe
Verdict:
Malicious activity
Analysis date:
2025-04-24 13:05:27 UTC
Tags:
uac stealer blankgrabber susp-powershell screenshot discord evasion pyinstaller growtopia discordgrabber generic ims-api

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
obfuscate autorun shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Searching for synchronization primitives
Launching a process
Launching the process to change network settings
Using the Windows Management Instrumentation requests
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand expired-cert invalid-signature lolbin microsoft_visual_cc overlay overlay signed
Result
Threat name:
Python Stealer, Blank Grabber
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
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
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
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 cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Generic Python Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1673181 Sample: Built.exe Startdate: 24/04/2025 Architecture: WINDOWS Score: 100 73 ip-api.com 2->73 75 discordapp.com 2->75 89 Found malware configuration 2->89 91 Sigma detected: Capture Wi-Fi password 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 10 other signatures 2->95 11 Built.exe 22 2->11         started        signatures3 process4 file5 61 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->61 dropped 63 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->63 dropped 65 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->65 dropped 67 16 other files (none is malicious) 11->67 dropped 115 Modifies Windows Defender protection settings 11->115 117 Adds a directory exclusion to Windows Defender 11->117 119 Tries to harvest and steal WLAN passwords 11->119 121 Removes signatures from Windows Defender 11->121 15 Built.exe 1 69 11->15         started        signatures6 process7 dnsIp8 77 ip-api.com 208.95.112.1, 49693, 80 TUT-ASUS United States 15->77 79 discordapp.com 162.159.129.233, 443, 49694 CLOUDFLARENETUS United States 15->79 81 Found many strings related to Crypto-Wallets (likely being stolen) 15->81 83 Tries to harvest and steal browser information (history, passwords, etc) 15->83 85 Modifies Windows Defender protection settings 15->85 87 6 other signatures 15->87 19 cmd.exe 1 15->19         started        22 cmd.exe 1 15->22         started        24 cmd.exe 1 15->24         started        26 28 other processes 15->26 signatures9 process10 signatures11 97 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->97 99 Suspicious powershell command line found 19->99 101 Uses cmd line tools excessively to alter registry or file data 19->101 113 3 other signatures 19->113 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 Encrypted powershell cmdline option found 26->109 111 Tries to harvest and steal WLAN passwords 26->111 39 getmac.exe 26->39         started        41 systeminfo.exe 26->41         started        45 54 other processes 26->45 process12 file13 48 WmiPrvSE.exe 33->48         started        123 Loading BitLocker PowerShell Module 35->123 50 MpCmdRun.exe 35->50         started        125 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->125 127 Writes or reads registry keys via WMI 39->127 69 C:\Users\user\AppData\...\rspqbo2v.cmdline, Unicode 45->69 dropped 71 C:\Users\user\AppData\Local\Temp\09Paw.zip, RAR 45->71 dropped 52 csc.exe 45->52         started        signatures14 process15 file16 55 conhost.exe 50->55         started        59 C:\Users\user\AppData\Local\...\rspqbo2v.dll, PE32 52->59 dropped 57 cvtres.exe 52->57         started        process17
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-04-24 14:17:14 UTC
File Type:
PE+ (Exe)
Extracted files:
550
AV detection:
17 of 24 (70.83%)
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
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: 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
Drops file in Drivers directory
Unpacked files
SH256 hash:
c919980abdd05f7ff75c6b21d2cd85d5915938c987cd76d75e13b61d3111b26c
MD5 hash:
83ba9586add8720ae6dc8021be7ef828
SHA1 hash:
28f845191c16660f191c718a49836cfcc3e4796f
SH256 hash:
052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
MD5 hash:
32da96115c9d783a0769312c0482a62d
SHA1 hash:
2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
SH256 hash:
90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
MD5 hash:
9c223575ae5b9544bc3d69ac6364f75e
SHA1 hash:
8a1cb5ee02c742e937febc57609ac312247ba386
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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: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_detect_tls_callbacks
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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: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.

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