MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db700864811a1de2e51bcd01a28b480f4b3cf97d903134a5fe4ab9f8d38f3a35. 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: 15


Intelligence 15 IOCs YARA 21 File information Comments

SHA256 hash: db700864811a1de2e51bcd01a28b480f4b3cf97d903134a5fe4ab9f8d38f3a35
SHA3-384 hash: e0afbda2973e17ffce4d9e8cfea03297b991acabcf0009f896d41b41778cac39ad98b685e0b04b649d96a5a71b6041e2
SHA1 hash: c6a5a66e9e422716fa35135cb9dacafa105b4792
MD5 hash: 7fa7310c9f5907ab7b86dc8627ffd6b2
humanhash: oklahoma-helium-seventeen-oranges
File name:7fa7310c9f5907ab7b86dc8627ffd6b2.bin.exe
Download: download sample
Signature BlankGrabber
File size:8'652'983 bytes
First seen:2024-05-14 02:15:14 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:iraa6ySurErvI9pWjgaAnajMsbSEo23fQC//OoLxh6:pySurEUWjJjIfoo4jLxh6
TLSH T13F9633C932A519E0F96A423FD6638815EB73FC6513D0C7AB06B862560F036F14D3A7A6
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 acf4d459e8f45cdc (1 x BlankGrabber)
Reporter abuse_ch
Tags:BlankGrabber exe


Avatar
abuse_ch
BlankGrabber C2:
193.149.176.178:5200

Intelligence


File Origin
# of uploads :
1
# of downloads :
400
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
avemaria
ID:
1
File name:
db700864811a1de2e51bcd01a28b480f4b3cf97d903134a5fe4ab9f8d38f3a35.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 02:16:59 UTC
Tags:
evasion warzone rat remote avemaria telegram blankgrabber stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Сreating synchronization primitives
Creating a file
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Launching cmd.exe command interpreter
Sending a custom TCP request
Launching the process to change the firewall settings
Sending a UDP request
Creating a file in the Program Files subdirectories
Launching a service
Launching the default Windows debugger (dwwin.exe)
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin masquerade overlay packed
Result
Verdict:
MALICIOUS
Result
Threat name:
AveMaria, Blank Grabber, PrivateLoader,
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Allows multiple concurrent remote connection
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if Internet connection is working
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Creates a thread in another existing process (thread injection)
Creates files in alternative data streams (ADS)
Creates processes via WMI
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Enables remote desktop connection
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain checking for user administrative privileges
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found pyInstaller with non standard icon
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
Increases the number of concurrent connection per server for Internet Explorer
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Removes signatures from Windows Defender
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: RDP Sensitive Settings Changed
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Blank Grabber
Yara detected PrivateLoader
Yara detected Python Keylogger
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1440975 Sample: jYHfnNP0MN.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 94 blank-sg5au.in 2->94 96 ip-api.com 2->96 114 Snort IDS alert for network traffic 2->114 116 Found malware configuration 2->116 118 Malicious sample detected (through community Yara rule) 2->118 120 17 other signatures 2->120 12 jYHfnNP0MN.exe 62 2->12         started        16 cmd.exe 2->16         started        18 rdpvideominiport.sys 2->18         started        20 3 other processes 2->20 signatures3 process4 file5 86 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 12->86 dropped 88 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 12->88 dropped 90 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 12->90 dropped 92 55 other files (53 malicious) 12->92 dropped 142 Modifies Windows Defender protection settings 12->142 144 Adds a directory exclusion to Windows Defender 12->144 146 Removes signatures from Windows Defender 12->146 148 Found pyInstaller with non standard icon 12->148 22 jYHfnNP0MN.exe 1 12->22         started        26 WMIC.exe 16->26         started        28 conhost.exe 16->28         started        signatures6 process7 dnsIp8 98 ip-api.com 208.95.112.1, 49732, 80 TUT-ASUS United States 22->98 122 Contains functionality to hide user accounts 22->122 124 Found many strings related to Crypto-Wallets (likely being stolen) 22->124 126 Modifies Windows Defender protection settings 22->126 128 2 other signatures 22->128 30 cmd.exe 1 22->30         started        32 cmd.exe 1 22->32         started        35 cmd.exe 1 22->35         started        39 4 other processes 22->39 37 Documents:ApplicationData 26->37         started        signatures9 process10 signatures11 41 bound.exe 30->41         started        46 conhost.exe 30->46         started        108 Modifies Windows Defender protection settings 32->108 110 Adds a directory exclusion to Windows Defender 32->110 112 Removes signatures from Windows Defender 32->112 48 powershell.exe 23 32->48         started        50 conhost.exe 32->50         started        52 powershell.exe 23 35->52         started        58 2 other processes 35->58 54 powershell.exe 23 39->54         started        56 WMIC.exe 39->56         started        60 5 other processes 39->60 process12 dnsIp13 100 193.149.176.178, 49733, 5200 DANISCODK Denmark 41->100 102 127.0.0.1 unknown unknown 41->102 78 C:\Users\user\...\Documents:ApplicationData, PE32 41->78 dropped 80 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 41->80 dropped 82 C:\Users\user\AppData\Local\Temp\nss3.dll, PE32 41->82 dropped 84 9 other files (6 malicious) 41->84 dropped 130 Found evasive API chain (may stop execution after checking mutex) 41->130 132 Creates files in alternative data streams (ADS) 41->132 134 Drops PE files to the document folder of the user 41->134 140 17 other signatures 41->140 62 617.exe 41->62         started        66 powershell.exe 41->66         started        68 cmd.exe 41->68         started        136 Loading BitLocker PowerShell Module 54->136 138 Creates processes via WMI 56->138 file14 signatures15 process16 dnsIp17 104 192.168.2.1, 5351 unknown unknown 62->104 106 239.255.255.250 unknown Reserved 62->106 150 Antivirus detection for dropped file 62->150 152 Multi AV Scanner detection for dropped file 62->152 154 Machine Learning detection for dropped file 62->154 158 2 other signatures 62->158 70 netsh.exe 62->70         started        156 Loading BitLocker PowerShell Module 66->156 72 conhost.exe 66->72         started        74 conhost.exe 68->74         started        signatures18 process19 process20 76 conhost.exe 70->76         started       
Threat name:
Win64.Trojan.Lazy
Status:
Malicious
First seen:
2024-05-14 02:16:06 UTC
File Type:
PE+ (Exe)
Extracted files:
583
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:blankgrabber family:warzonerat collection evasion execution infostealer persistence rat spyware stealer upx
Behaviour
Detects videocard installed
Enumerates processes with tasklist
Gathers system information
NTFS ADS
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Modifies WinLogon
Checks computer location settings
Drops startup file
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
Modifies Windows Firewall
Sets DLL path for service in the registry
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
db700864811a1de2e51bcd01a28b480f4b3cf97d903134a5fe4ab9f8d38f3a35
MD5 hash:
7fa7310c9f5907ab7b86dc8627ffd6b2
SHA1 hash:
c6a5a66e9e422716fa35135cb9dacafa105b4792
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:PyInstaller_Packed_April_2024
Author:NDA0N
Description:Detects files packed with PyInstaller
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:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
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.

Web download

BlankGrabber

Executable exe db700864811a1de2e51bcd01a28b480f4b3cf97d903134a5fe4ab9f8d38f3a35

(this sample)

  
Delivery method
Distributed via web download

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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