MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea. 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: 13


Intelligence 13 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea
SHA3-384 hash: 5528087469ceb8a4886bc5335210272edb42ccb4f87d3ff8b71534532d607f38f522bfca033ec28ad0e1f47a6e99aa78
SHA1 hash: 1ea067cc7bfee609f202b57991797e03d0c6d776
MD5 hash: 4bc3831e71c066a7a5ac7088d9887c7a
humanhash: montana-comet-gee-cardinal
File name:Build.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:12'366'149 bytes
First seen:2025-02-08 20:07:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 75e9596d74d063246ba6f3ac7c5369a0 (8 x DCRat, 5 x PythonStealer, 4 x CoinMiner)
ssdeep 196608:jsuDBRcFRhQT4PBRsfMLyFgb52KMMgZHvZrJNOicC5lv9K0JVhT5:js2B2HhZPB0SUqyMgZTNOic+vJVhT5
TLSH T1BEC6331762C06071D330263258915B75A5BD6C700BFE1FD683E8BD9DF532A62B730AA7
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter aachum
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
485
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-08 20:16:25 UTC
Tags:
blankgrabber stealer python sfx dropper screenshot discord evasion telegram pyinstaller susp-powershell discordgrabber generic growtopia ims-api upx
Link:
https://app.any.run/tasks/3da4b963-b7a9-46bf-ae4d-698d9a27516b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Nanocore-9986456-0
Create hunting rule

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Win.Packed.Bladabindi-10017056-0
Create hunting rule

Win.Malware.Zenpak-10017873-0
Create hunting rule

SecuriteInfo.com.Win64.Malware-gen.14092.25867.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a7baf0d010e522d1b8175b
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a process with a hidden window
Running batch commands
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
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
Labled as:
TrojanDropper_Win32_Dapato_BH_MTB
Link:
https://www.hybrid-analysis.com/sample/746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/261af694-91ab-45b4-ae7c-2f3fd8b20c91
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/1610245
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
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 Script Execution From Temp Folder
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)
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1610245 Sample: Build.exe Startdate: 08/02/2025 Architecture: WINDOWS Score: 100 133 api.telegram.org 2->133 135 ip-api.com 2->135 157 Suricata IDS alerts for network traffic 2->157 159 Sigma detected: Capture Wi-Fi password 2->159 161 Multi AV Scanner detection for submitted file 2->161 165 12 other signatures 2->165 13 Build.exe 6 2->13         started        signatures3 163 Uses the Telegram API (likely for C&C communication) 133->163 process4 file5 127 C:\ProgramData\Microsoft\hacn.exe, PE32 13->127 dropped 129 C:\ProgramData\Microsoft\based.exe, PE32+ 13->129 dropped 16 hacn.exe 2 13->16         started        20 based.exe 22 13->20         started        process6 file7 95 C:\Users\user\AppData\Local\Temp\hacn.exe, PE32+ 16->95 dropped 143 Antivirus detection for dropped file 16->143 145 Multi AV Scanner detection for dropped file 16->145 147 Machine Learning detection for dropped file 16->147 22 hacn.exe 22 16->22         started        26 hacn.exe 22 16->26         started        97 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 20->97 dropped 99 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 20->99 dropped 101 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 20->101 dropped 103 16 other malicious files 20->103 dropped 149 Modifies Windows Defender protection settings 20->149 151 Adds a directory exclusion to Windows Defender 20->151 153 Tries to harvest and steal WLAN passwords 20->153 155 Removes signatures from Windows Defender 20->155 28 based.exe 1 108 20->28         started        signatures8 process9 dnsIp10 105 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 22->105 dropped 107 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 22->107 dropped 109 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 22->109 dropped 117 16 other malicious files 22->117 dropped 167 Modifies Windows Defender protection settings 22->167 169 Adds a directory exclusion to Windows Defender 22->169 171 Tries to harvest and steal WLAN passwords 22->171 31 hacn.exe 108 22->31         started        111 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 26->111 dropped 113 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 26->113 dropped 115 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 26->115 dropped 119 16 other malicious files 26->119 dropped 34 hacn.exe 26->34         started        137 ip-api.com 208.95.112.1, 49977, 49981, 80 TUT-ASUS United States 28->137 139 api.telegram.org 149.154.167.220, 443, 49978, 49979 TELEGRAMRU United Kingdom 28->139 173 Found many strings related to Crypto-Wallets (likely being stolen) 28->173 175 Tries to steal Crypto Currency Wallets 28->175 177 Removes signatures from Windows Defender 28->177 179 Modifies existing user documents (likely ransomware behavior) 28->179 36 cmd.exe 28->36         started        38 cmd.exe 28->38         started        40 cmd.exe 28->40         started        42 19 other processes 28->42 file11 signatures12 process13 signatures14 197 Tries to harvest and steal browser information (history, passwords, etc) 31->197 199 Modifies Windows Defender protection settings 31->199 201 Adds a directory exclusion to Windows Defender 31->201 213 3 other signatures 31->213 44 cmd.exe 31->44         started        47 cmd.exe 31->47         started        49 cmd.exe 31->49         started        53 17 other processes 31->53 203 Suspicious powershell command line found 36->203 205 Encrypted powershell cmdline option found 36->205 207 Bypasses PowerShell execution policy 36->207 209 Uses netsh to modify the Windows network and firewall settings 36->209 55 2 other processes 36->55 57 2 other processes 38->57 60 2 other processes 40->60 211 Tries to harvest and steal WLAN passwords 42->211 51 getmac.exe 42->51         started        62 36 other processes 42->62 process15 file16 181 Modifies Windows Defender protection settings 44->181 183 Adds a directory exclusion to Windows Defender 44->183 64 powershell.exe 44->64         started        67 conhost.exe 44->67         started        69 powershell.exe 47->69         started        71 conhost.exe 47->71         started        73 powershell.exe 49->73         started        75 conhost.exe 49->75         started        185 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 51->185 187 Writes or reads registry keys via WMI 51->187 189 Suspicious powershell command line found 53->189 191 Encrypted powershell cmdline option found 53->191 193 Tries to harvest and steal WLAN passwords 53->193 82 34 other processes 53->82 77 WmiPrvSE.exe 55->77         started        123 C:\Users\user\AppData\...\xuffuof0.cmdline, Unicode 57->123 dropped 79 csc.exe 57->79         started        125 C:\Users\user\AppData\Local\Temp\83j7p.zip, RAR 62->125 dropped 195 Loading BitLocker PowerShell Module 62->195 signatures17 process18 file19 141 Loading BitLocker PowerShell Module 69->141 84 Conhost.exe 69->84         started        131 C:\Users\user\AppData\Local\...\xuffuof0.dll, PE32 79->131 dropped 86 cvtres.exe 79->86         started        88 csc.exe 82->88         started        91 Conhost.exe 82->91         started        signatures20 process21 file22 121 C:\Users\user\AppData\Local\...\vwm21syb.dll, PE32 88->121 dropped 93 cvtres.exe 88->93         started        process23
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea/
Threat name:
Win32.Dropper.Dapato
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 19:18:38 UTC
File Type:
PE (Exe)
Extracted files:
549
AV detection:
27 of 38 (71.05%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=orvgggqoebgjpexjda5md7bfnjvrhkg53opiphif7qom3fl7bdva._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Link:
https://tria.ge/reports/250208-ywmdqstjfp/
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 Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
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
Checks computer location settings
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
Downloads MZ/PE file
Verdict:
Malicious
Tags:
Win.Dropper.Nanocore-9986456-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c7c06915-bee1-40a9-a596-a1a6e0e85250
Unpacked files
SH256 hash:
746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea
MD5 hash:
4bc3831e71c066a7a5ac7088d9887c7a
SHA1 hash:
1ea067cc7bfee609f202b57991797e03d0c6d776
Link:
https://www.unpac.me/results/79cc2c93-8647-4c52-9791-5646ebfcf908/
SH256 hash:
64b4abba323132a412988d5f9e16a8628a69e09c72b7caf8d4b770c4404c12bd
MD5 hash:
573dcdde98a8ee1696760542339dfc41
SHA1 hash:
c50a3a6c973bd4e063849234aecd99d8315ec880
Link:
https://www.unpac.me/results/79cc2c93-8647-4c52-9791-5646ebfcf908/
SH256 hash:
4163513beb8120dce076b6de115ed892816a07233c0972eaf4d98bf873ae39a1
MD5 hash:
ee29743ba52d31358f5a57fef4bbfe13
SHA1 hash:
ab3f35925298e72a4fefc1bfbe36e802bf5614af
Link:
https://www.unpac.me/results/79cc2c93-8647-4c52-9791-5646ebfcf908/
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/746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea

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:DebuggerCheck__API
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:Emotet
Create hunting rule
Author:kevoreilly
Description:Emotet Payload
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: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:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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.

Web download

njrat

Executable exe 6df749c99fac5bc1097bdd0566120dbd7f38aa392b06227b66efff14412b80c9

BlankGrabber

Executable exe 746a631a0e204c9792e9183ac1fc256a6b13a8dddb9e879d05fc1ccd957f08ea

(this sample)

  
Link
https://tria.ge/250208-yqagzs1lgt/
  
Dropped by
SHA256 6df749c99fac5bc1097bdd0566120dbd7f38aa392b06227b66efff14412b80c9
  
Delivery method
Distributed via web download
  
Dropped by
MD5 d83d5ff23292103a65b43fbd42b7f243

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments