MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b017ba6bebb299a173b259181493b726ac1418a41d73e081991f473743362b0. 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 6 File information Comments

SHA256 hash: 7b017ba6bebb299a173b259181493b726ac1418a41d73e081991f473743362b0
SHA3-384 hash: 92fd5a8ee900b508c39620931b4d1466915d5c7fbc64f2ad4cfe86812d7a004a3ff0f28a06956a92503647b9d654fec8
SHA1 hash: 18a6c47a3baabf9a24a188588007d07e356a1513
MD5 hash: 607752db5afffed3cfea32dc6bf5d225
humanhash: bakerloo-bluebird-saturn-nevada
File name:7b017ba6bebb299a173b259181493b726ac1418a41d73e081991f473743362b0
Download: download sample
Signature BlankGrabber
File size:7'960'259 bytes
First seen:2024-10-31 18:19:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (48 x BlankGrabber, 26 x PythonStealer, 7 x LunaStealer)
ssdeep 196608:cEHYnwfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jB:zIHziK1piXLGVE4Ue0VJF
TLSH T17C863301B68109F6F6FB9A3DC8969019C47237A217A0D6BB172CD27A0E731F95C36763
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter JAMESWT_WT
Tags:Akeo Consulting BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
430
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7b017ba6bebb299a173b259181493b726ac1418a41d73e081991f473743362b0
Verdict:
Malicious activity
Analysis date:
2024-10-31 18:24:24 UTC
Tags:
blankgrabber evasion discord stealer pyinstaller susp-powershell discordgrabber generic growtopia ims-api umbralstealer upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
powershell gumen
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
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 lolbin microsoft_visual_cc overlay packed
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.
Result
Threat name:
Blank Grabber
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
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)
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
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
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1546326 Sample: gMd6of50Do.exe Startdate: 31/10/2024 Architecture: WINDOWS Score: 100 67 ip-api.com 2->67 69 discord.com 2->69 83 Sigma detected: Capture Wi-Fi password 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Yara detected Blank Grabber 2->87 89 8 other signatures 2->89 11 gMd6of50Do.exe 22 2->11         started        signatures3 process4 file5 59 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->59 dropped 61 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->61 dropped 63 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->63 dropped 65 16 other files (none is malicious) 11->65 dropped 103 Modifies Windows Defender protection settings 11->103 105 Adds a directory exclusion to Windows Defender 11->105 107 Tries to harvest and steal WLAN passwords 11->107 109 Removes signatures from Windows Defender 11->109 15 gMd6of50Do.exe 1 106 11->15         started        signatures6 process7 dnsIp8 71 ip-api.com 208.95.112.1, 49716, 80 TUT-ASUS United States 15->71 73 discord.com 162.159.136.232, 443, 49717 CLOUDFLARENETUS United States 15->73 75 Found many strings related to Crypto-Wallets (likely being stolen) 15->75 77 Tries to harvest and steal browser information (history, passwords, etc) 15->77 79 Modifies Windows Defender protection settings 15->79 81 5 other signatures 15->81 19 cmd.exe 1 15->19         started        22 cmd.exe 1 15->22         started        24 cmd.exe 15->24         started        26 23 other processes 15->26 signatures9 process10 signatures11 91 Suspicious powershell command line found 19->91 93 Encrypted powershell cmdline option found 19->93 95 Bypasses PowerShell execution policy 19->95 101 3 other signatures 19->101 28 powershell.exe 23 19->28         started        31 conhost.exe 19->31         started        97 Modifies Windows Defender protection settings 22->97 33 powershell.exe 23 22->33         started        44 2 other processes 22->44 35 getmac.exe 24->35         started        37 conhost.exe 24->37         started        99 Tries to harvest and steal WLAN passwords 26->99 39 systeminfo.exe 26->39         started        41 powershell.exe 26->41         started        46 44 other processes 26->46 process12 file13 111 Loading BitLocker PowerShell Module 33->111 113 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->113 115 Writes or reads registry keys via WMI 35->115 55 C:\Users\user\AppData\...\fnmfh1mr.cmdline, Unicode 41->55 dropped 48 csc.exe 41->48         started        57 C:\Users\user\AppData\Local\Temp\T5BGa.zip, RAR 46->57 dropped signatures14 process15 file16 53 C:\Users\user\AppData\Local\...\fnmfh1mr.dll, PE32 48->53 dropped 51 cvtres.exe 48->51         started        process17
Threat name:
Win64.Trojan.BlankGrabber
Status:
Malicious
First seen:
2024-10-31 16:28:16 UTC
File Type:
PE+ (Exe)
Extracted files:
397
AV detection:
22 of 37 (59.46%)
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
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
Legitimate hosting services abused for malware hosting/C2
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
Unpacked files
SH256 hash:
7b017ba6bebb299a173b259181493b726ac1418a41d73e081991f473743362b0
MD5 hash:
607752db5afffed3cfea32dc6bf5d225
SHA1 hash:
18a6c47a3baabf9a24a188588007d07e356a1513
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:DebuggerCheck__API
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

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

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