MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93e9c2abaa3e7eb97fdd7fa3366b6f176b0c3cfbc44de24926660b78ae149943. 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: 12


Intelligence 12 IOCs YARA 22 File information Comments

SHA256 hash: 93e9c2abaa3e7eb97fdd7fa3366b6f176b0c3cfbc44de24926660b78ae149943
SHA3-384 hash: 43b6784018c2823c477154659ec4b4bb3ec089bb7d3ef48a41fcbb2f8e39cb3aea9dc65739abeca812c3f7b99f627eef
SHA1 hash: b33446e2e29ae790c3f474f1bbdacd0d6b64a040
MD5 hash: 527fac354d638daad667b85232923d52
humanhash: equal-hawaii-mango-georgia
File name:RegblockerDrivers.exe
Download: download sample
Signature BlankGrabber
File size:26'214'400 bytes
First seen:2025-03-23 08:31:18 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:kW/0gQmTeNTfm/pf+xk4dWRimrbW3jmyr:TQBy/pWu4kRimrbmyw
TLSH T18D47336973E00DF6E8B32979C892D908D671FC450F64CE9B07590AAD1F276908E3FB58
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 zhuzhu0009
Tags:BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
422
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RegblockerDrivers.exe
Verdict:
Malicious activity
Analysis date:
2025-03-23 08:00:04 UTC
Tags:
blankgrabber evasion stealer uac screenshot discord pyinstaller susp-powershell discordgrabber generic growtopia ims-api upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
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
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Searching for the window
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
Adding an exclusion to Microsoft Defender
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context expand lolbin microsoft_visual_cc overlay
Result
Verdict:
MALICIOUS
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
Changes security center settings (notifications, updates, antivirus, firewall)
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
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 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
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Generic Python Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1646057 Sample: RegblockerDrivers.exe Startdate: 23/03/2025 Architecture: WINDOWS Score: 100 70 ip-api.com 2->70 72 discordapp.com 2->72 74 blank-yd83j.in 2->74 82 Found malware configuration 2->82 84 Sigma detected: Capture Wi-Fi password 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 11 other signatures 2->88 11 RegblockerDrivers.exe 22 2->11         started        15 svchost.exe 2->15         started        signatures3 process4 dnsIp5 60 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->60 dropped 62 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->62 dropped 64 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 11->64 dropped 66 16 other files (none is malicious) 11->66 dropped 114 Modifies Windows Defender protection settings 11->114 116 Adds a directory exclusion to Windows Defender 11->116 118 Tries to harvest and steal WLAN passwords 11->118 120 Removes signatures from Windows Defender 11->120 18 RegblockerDrivers.exe 1 68 11->18         started        80 127.0.0.1 unknown unknown 15->80 file6 signatures7 process8 dnsIp9 76 ip-api.com 208.95.112.1, 49682, 49694, 80 TUT-ASUS United States 18->76 78 discordapp.com 162.159.133.233, 443, 49695 CLOUDFLARENETUS United States 18->78 90 Found many strings related to Crypto-Wallets (likely being stolen) 18->90 92 Uses cmd line tools excessively to alter registry or file data 18->92 94 Tries to harvest and steal browser information (history, passwords, etc) 18->94 96 7 other signatures 18->96 22 cmd.exe 1 18->22         started        25 cmd.exe 1 18->25         started        27 cmd.exe 18->27         started        29 31 other processes 18->29 signatures10 process11 signatures12 98 Suspicious powershell command line found 22->98 100 Uses cmd line tools excessively to alter registry or file data 22->100 102 Encrypted powershell cmdline option found 22->102 112 4 other signatures 22->112 31 powershell.exe 23 22->31         started        34 conhost.exe 22->34         started        104 Modifies Windows Defender protection settings 25->104 106 Removes signatures from Windows Defender 25->106 36 powershell.exe 25->36         started        47 2 other processes 25->47 38 getmac.exe 27->38         started        40 conhost.exe 27->40         started        108 Changes security center settings (notifications, updates, antivirus, firewall) 29->108 110 Tries to harvest and steal WLAN passwords 29->110 42 systeminfo.exe 29->42         started        44 powershell.exe 29->44         started        49 57 other processes 29->49 process13 file14 122 Loading BitLocker PowerShell Module 31->122 124 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->124 126 Writes or reads registry keys via WMI 38->126 68 C:\Users\user\AppData\...\jj3pz4aw.cmdline, Unicode 44->68 dropped 51 csc.exe 44->51         started        54 Conhost.exe 49->54         started        signatures15 process16 file17 58 C:\Users\user\AppData\Local\...\jj3pz4aw.dll, PE32 51->58 dropped 56 cvtres.exe 51->56         started        process18
Gathering data
Threat name:
Win64.Trojan.Giant
Status:
Malicious
First seen:
2025-03-23 08:00:06 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber discovery execution upx
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
Gathering data
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: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: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: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

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