MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6
SHA3-384 hash: 8c82510bf8b427c0e85a686d8757de9a5dee064baff72c18d38877a8b0f9f1d42af2756d7ab046f154b30eaa38d2d1bb
SHA1 hash: 9c5382a8279db6fc48f6ee2fd533aff321e2da34
MD5 hash: 0fd61849e94c85490b775057a83af5dc
humanhash: ohio-butter-juliet-stream
File name:Build.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:24'672'970 bytes
First seen:2025-02-08 20:08:05 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 393216:GORkrS3S7Zh6SAdAySuNQ45W7an2Usc0rEd/kr1YZk9H0IXr0YGwPjYr6:sa6ZUdA/uNQzanIc0rECr1+k9H0IgXqZ
TLSH T159473317B2D87421E634127A7CCAD68759BEB8300B668AE7575FFC49AB3038163B0774
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 :
487
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
Everythin.exe
Verdict:
Malicious activity
Analysis date:
2025-02-08 20:07:26 UTC
Tags:
python njrat pyinstaller
Link:
https://app.any.run/tasks/b1ba4f86-b7cf-432a-a90a-7a063c360f59

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=67a7baf5d010e522d1b817c1
Tags:
installer asyncrat extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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% subdirectories
Running batch commands
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Launching the process to change network settings
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6
Result
Verdict:
UNKNOWN
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1610244
Signature
Adds a directory exclusion to Windows Defender
Found many strings related to Crypto-Wallets (likely being stolen)
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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: 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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1610244 Sample: Build.exe Startdate: 08/02/2025 Architecture: WINDOWS Score: 100 102 api.telegram.org 2->102 104 ip-api.com 2->104 120 Suricata IDS alerts for network traffic 2->120 122 Sigma detected: Capture Wi-Fi password 2->122 124 Multi AV Scanner detection for submitted file 2->124 128 7 other signatures 2->128 13 Build.exe 6 2->13         started        signatures3 126 Uses the Telegram API (likely for C&C communication) 102->126 process4 file5 90 C:\ProgramData\Microsoft\hacn.exe, PE32+ 13->90 dropped 92 C:\ProgramData\Microsoft\based.exe, PE32+ 13->92 dropped 16 based.exe 22 13->16         started        20 hacn.exe 13 13->20         started        process6 file7 72 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 16->72 dropped 74 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 16->74 dropped 76 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 16->76 dropped 84 16 other malicious files 16->84 dropped 110 Multi AV Scanner detection for dropped file 16->110 112 Modifies Windows Defender protection settings 16->112 114 Adds a directory exclusion to Windows Defender 16->114 118 2 other signatures 16->118 22 based.exe 19 16->22         started        78 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 20->78 dropped 80 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 20->80 dropped 82 C:\Users\user\AppData\Local\...\python310.dll, PE32+ 20->82 dropped 86 8 other malicious files 20->86 dropped 116 Found pyInstaller with non standard icon 20->116 26 hacn.exe 20->26         started        signatures8 process9 dnsIp10 106 ip-api.com 208.95.112.1, 49740, 80 TUT-ASUS United States 22->106 108 api.telegram.org 149.154.167.220, 443, 49741, 49742 TELEGRAMRU United Kingdom 22->108 130 Found many strings related to Crypto-Wallets (likely being stolen) 22->130 132 Tries to harvest and steal browser information (history, passwords, etc) 22->132 134 Modifies Windows Defender protection settings 22->134 136 4 other signatures 22->136 28 cmd.exe 22->28         started        31 cmd.exe 22->31         started        33 cmd.exe 22->33         started        37 23 other processes 22->37 35 cmd.exe 1 26->35         started        signatures11 process12 signatures13 148 Removes signatures from Windows Defender 28->148 39 powershell.exe 28->39         started        52 2 other processes 28->52 150 Adds a directory exclusion to Windows Defender 31->150 42 powershell.exe 31->42         started        44 conhost.exe 31->44         started        54 2 other processes 33->54 152 Suspicious powershell command line found 35->152 154 Uses netsh to modify the Windows network and firewall settings 35->154 156 Modifies Windows Defender protection settings 35->156 46 Build.exe 4 35->46         started        48 conhost.exe 35->48         started        158 Tries to harvest and steal WLAN passwords 37->158 50 getmac.exe 37->50         started        56 45 other processes 37->56 process14 file15 138 Loading BitLocker PowerShell Module 42->138 59 WmiPrvSE.exe 42->59         started        140 Multi AV Scanner detection for dropped file 46->140 142 Machine Learning detection for dropped file 46->142 61 based.exe 46->61         started        64 hacn.exe 46->64         started        144 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 50->144 146 Writes or reads registry keys via WMI 50->146 88 C:\Users\user\AppData\Local\Temp\tQ4Ye.zip, RAR 56->88 dropped signatures16 process17 file18 94 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 61->94 dropped 96 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 61->96 dropped 98 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 61->98 dropped 100 16 other malicious files 61->100 dropped 66 based.exe 61->66         started        68 cmd.exe 64->68         started        process19 process20 70 conhost.exe 68->70         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6
Gathering data
Threat name:
Win32.Ransomware.BlankGrabber
Create hunting rule
Status:
Malicious
First seen:
2025-01-02 00:26:36 UTC
File Type:
PE (Exe)
Extracted files:
1405
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhtw3d6xxwebzgjvghl5pucqacjmgkkrozdfej4v767chradepda._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection credential_access discovery execution persistence privilege_escalation pyinstaller spyware stealer upx
Link:
https://tria.ge/reports/250208-ywmphatjfq/
Behaviour
Detects videocard installed
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects Pyinstaller
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
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/e72c4db2-dd1b-410a-b0de-f33d7cc99430
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/59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6

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: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: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:pe_detect_tls_callbacks
Create hunting rule
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 59e76d8fd7bd881c993531d7d7d0500092c329517646522795ffbe23c40323c6

(this sample)

  
Link
https://tria.ge/250208-yqcmca1lgw/
  
Dropped by
SHA256 6df749c99fac5bc1097bdd0566120dbd7f38aa392b06227b66efff14412b80c9
  
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