MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad
SHA3-384 hash: 7d848179d5d486b2742186619abe29604ad1ad03d315b5a790d352090bb0f78b12fbe7ea0a86825eef45cad0dda6c565
SHA1 hash: fd4b8b3213532f7825b22745b5673de6f968f7df
MD5 hash: 2f1ec4427c9a8874a23dca6d15064d9c
humanhash: chicken-social-tango-georgia
File name:Kronos.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:8'590'056 bytes
First seen:2024-05-13 08:39:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4f2e2b03fe5666a721620fcea3aea9b (15 x BlankGrabber, 10 x PythonStealer, 6 x CrealStealer)
ssdeep 196608:XrovudswqurErvI9pWjgaAnajMsbSEo2+qYQ9HwZsiVtxhR:56urEUWjJjIfDq7w1VtxhR
TLSH T1458633C972A458E0F56A423FD6278812EB73FC3953A0C36F0AB462665F437E18C35799
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 200020b1b1240820 (1 x BlankGrabber)
Reporter likeastar20
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad.exe
Verdict:
Malicious activity
Analysis date:
2024-05-13 08:42:43 UTC
Tags:
blankgrabber evasion python discord stealer
Link:
https://app.any.run/tasks/5390e3a7-4a2c-4dd0-8ab7-927fbb90eeee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Python.Packed.59.27387.17799.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file
DNS request
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin overlay packed
Link:
https://www.filescan.io/uploads/6641d1e798234892b0ab982e/reports/1c064a9e-33eb-42ea-bfe1-0d8b98219839/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/fcf39614-0e7b-41c9-9206-3dcd5e8188ad
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1440383
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
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)
Found pyInstaller with non standard icon
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
Self deletion via cmd or bat file
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: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Ping/Del Command Combination
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Script Execution From Temp Folder
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Very long command line found
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: 1440383 Sample: Kronos.exe Startdate: 13/05/2024 Architecture: WINDOWS Score: 100 75 ip-api.com 2->75 77 discord.com 2->77 79 blank-toetu.in 2->79 93 Found malware configuration 2->93 95 Sigma detected: Capture Wi-Fi password 2->95 97 Multi AV Scanner detection for submitted file 2->97 99 12 other signatures 2->99 11 Kronos.exe 62 2->11         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->67 dropped 69 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->69 dropped 71 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->71 dropped 73 55 other files (none is malicious) 11->73 dropped 119 Very long command line found 11->119 121 Self deletion via cmd or bat file 11->121 123 Modifies Windows Defender protection settings 11->123 125 4 other signatures 11->125 15 Kronos.exe 1 71 11->15         started        signatures6 process7 dnsIp8 81 ip-api.com 208.95.112.1, 49735, 49743, 80 TUT-ASUS United States 15->81 83 discord.com 162.159.138.232, 443, 49744 CLOUDFLARENETUS United States 15->83 85 Very long command line found 15->85 87 Found many strings related to Crypto-Wallets (likely being stolen) 15->87 89 Self deletion via cmd or bat file 15->89 91 8 other signatures 15->91 19 cmd.exe 1 15->19         started        22 cmd.exe 15->22         started        24 cmd.exe 1 15->24         started        26 38 other processes 15->26 signatures9 process10 signatures11 101 Suspicious powershell command line found 19->101 103 Uses ping.exe to sleep 19->103 105 Very long command line found 19->105 117 5 other signatures 19->117 28 powershell.exe 19->28         started        31 conhost.exe 19->31         started        107 Encrypted powershell cmdline option found 22->107 41 2 other processes 22->41 109 Modifies Windows Defender protection settings 24->109 33 powershell.exe 23 24->33         started        44 2 other processes 24->44 111 Uses cmd line tools excessively to alter registry or file data 26->111 113 Adds a directory exclusion to Windows Defender 26->113 115 Tries to harvest and steal WLAN passwords 26->115 35 getmac.exe 26->35         started        37 powershell.exe 23 26->37         started        39 systeminfo.exe 26->39         started        46 71 other processes 26->46 process12 file13 127 Loading BitLocker PowerShell Module 33->127 129 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->129 131 Writes or reads registry keys via WMI 35->131 63 C:\Users\user\AppData\...\wfjxug4u.cmdline, Unicode 41->63 dropped 48 csc.exe 41->48         started        65 C:\Users\user\AppData\Local\Temp\XXXdC.zip, RAR 46->65 dropped 51 conhost.exe 46->51         started        53 cmd.exe 46->53         started        55 cmd.exe 46->55         started        57 cmd.exe 46->57         started        signatures14 process15 file16 61 C:\Users\user\AppData\Local\...\wfjxug4u.dll, PE32 48->61 dropped 59 cvtres.exe 48->59         started        process17
Score:
85%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad/
Threat name:
Win64.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2024-05-13 08:40:07 UTC
File Type:
PE+ (Exe)
Extracted files:
583
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=efp334oq44mdxwujmjemsvffruc3cxqohhu6adjyct2dml6p6cwq._file
Verdict:
malicious
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber execution spyware stealer upx
Link:
https://tria.ge/reports/240513-kkwalsef7z/
Behaviour
Detects videocard installed
Enumerates processes with tasklist
Gathers system information
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Unpacked files
SH256 hash:
215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad
MD5 hash:
2f1ec4427c9a8874a23dca6d15064d9c
SHA1 hash:
fd4b8b3213532f7825b22745b5673de6f968f7df
Detections:
INDICATOR_KB_CERT_00bfb15001bbf592d4962a7797ea736fa3
Create hunting rule
Link:
https://www.unpac.me/results/30104b5b-6774-44be-90bf-4186976ee6b7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/215fbdf1d0e7/report/overview.html
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/215fbdf1d0e7183bda896248c954a58d05b15e0e39e9e00d3814f4362fcff0ad

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PyInstaller_Packed_April_2024
Create hunting rule
Author:NDA0N
Description:Detects files packed with PyInstaller
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: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:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
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.

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::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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