MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e2eb50e40575b545f1cd9c15e2701bb83217ceb8d495c91b3f2b13ba41071cd. 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: 17


Intelligence 17 IOCs YARA 29 File information Comments

SHA256 hash: 6e2eb50e40575b545f1cd9c15e2701bb83217ceb8d495c91b3f2b13ba41071cd
SHA3-384 hash: 83ae34380827934b78919317b23c0028fc35e3149841f69a376994413908e6ff92ea2896b0c43c657858cbb0de0bce50
SHA1 hash: 1dec6bf452fccaae34fbd307ee4f8085ff17424d
MD5 hash: 739ed83b0f64b2f5a90d0a61949d87d4
humanhash: twenty-neptune-eighteen-seventeen
File name:ovisetup.exe
Download: download sample
Signature BlankGrabber
File size:10'635'771 bytes
First seen:2025-10-16 18:40:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (59 x BlankGrabber, 29 x Efimer, 22 x NetSupport)
ssdeep 196608:mpNcvd0j9fZwQRCgjmpXHIEGn7jpfPjRMsqezL2bMyAnDkyM:mpfw8ERIEwfPjSDJbSkyM
TLSH T101B633086BDA21F6F5F6853E8D13C827E671BD612F20C2DB02A802691E57DD1097F776
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
dhash icon fed8a6869e9ea4a6 (1 x BlankGrabber)
Reporter burger
Tags:BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ovisetup.exe
Verdict:
Malicious activity
Analysis date:
2025-10-16 18:40:49 UTC
Tags:
blankgrabber uac evasion anti-evasion python stealer auto-startup screenshot telegram pyinstaller susp-powershell generic 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:
extens shell 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
Loading a suspicious library
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Sending a custom TCP request
Connection attempt
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Launching the process to change network settings
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand expired-cert invalid-signature lolbin microsoft_visual_cc overlay overlay packed packed pyinstaller signed
Verdict:
Malicious
Labled as:
Znyonm.A.5DA85F18;Generic.Znyonm.B.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-16T15:44:00Z UTC
Last seen:
2025-10-18T12:52:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Agent.dffz Trojan-PSW.Python.Blank.sb HEUR:Trojan-PSW.Python.Blank.gen Trojan-PSW.Win32.Greedy.sb Trojan.Win32.Poweliks.a Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Dizemp.sb Trojan.Script.Poweliks.sb Trojan.Python.Agent.gen
Result
Threat name:
Blank Grabber
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious PE digital signature
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Encrypted powershell cmdline option found
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
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
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 cmd line tools excessively to alter registry or file data
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796789 Sample: ovisetup.exe Startdate: 16/10/2025 Architecture: WINDOWS Score: 100 67 api.telegram.org 2->67 69 ip-api.com 2->69 71 blank-ukbed.in 2->71 85 Suricata IDS alerts for network traffic 2->85 87 Sigma detected: Capture Wi-Fi password 2->87 89 Multi AV Scanner detection for submitted file 2->89 93 11 other signatures 2->93 11 ovisetup.exe 41 2->11         started        signatures3 91 Uses the Telegram API (likely for C&C communication) 67->91 process4 file5 55 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->55 dropped 57 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->57 dropped 59 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->59 dropped 61 22 other files (none is malicious) 11->61 dropped 111 Modifies Windows Defender protection settings 11->111 113 Adds a directory exclusion to Windows Defender 11->113 115 Tries to harvest and steal WLAN passwords 11->115 117 2 other signatures 11->117 15 ovisetup.exe 1 104 11->15         started        signatures6 process7 dnsIp8 73 ip-api.com 208.95.112.1, 49724, 49729, 80 TUT-ASUS United States 15->73 75 api.telegram.org 149.154.167.220, 443, 49730 TELEGRAMRU United Kingdom 15->75 77 Found many strings related to Crypto-Wallets (likely being stolen) 15->77 79 Uses cmd line tools excessively to alter registry or file data 15->79 81 Tries to harvest and steal browser information (history, passwords, etc) 15->81 83 7 other signatures 15->83 19 cmd.exe 1 15->19         started        22 cmd.exe 1 15->22         started        24 cmd.exe 15->24         started        26 35 other processes 15->26 signatures9 process10 signatures11 95 Suspicious powershell command line found 19->95 97 Uses cmd line tools excessively to alter registry or file data 19->97 99 Encrypted powershell cmdline option found 19->99 109 2 other signatures 19->109 28 powershell.exe 23 19->28         started        31 conhost.exe 19->31         started        101 Modifies Windows Defender protection settings 22->101 103 Removes signatures from Windows Defender 22->103 33 powershell.exe 23 22->33         started        43 2 other processes 22->43 105 Adds a directory exclusion to Windows Defender 24->105 35 powershell.exe 24->35         started        37 conhost.exe 24->37         started        107 Tries to harvest and steal WLAN passwords 26->107 39 getmac.exe 26->39         started        41 systeminfo.exe 26->41         started        45 68 other processes 26->45 process12 file13 119 Loading BitLocker PowerShell Module 28->119 121 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->121 123 Writes or reads registry keys via WMI 39->123 63 C:\Users\user\AppData\...\aom3zaws.cmdline, Unicode 45->63 dropped 65 C:\Users\user\AppData\Local\Temp\Qvd56.zip, RAR 45->65 dropped 48 csc.exe 45->48         started        signatures14 process15 file16 53 C:\Users\user\AppData\Local\...\aom3zaws.dll, PE32 48->53 dropped 51 cvtres.exe 48->51         started        process17
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-10-16 18:40:50 UTC
File Type:
PE+ (Exe)
Extracted files:
900
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber defense_evasion 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
Disables one or more Microsoft Defender components
Unpacked files
SH256 hash:
6e2eb50e40575b545f1cd9c15e2701bb83217ceb8d495c91b3f2b13ba41071cd
MD5 hash:
739ed83b0f64b2f5a90d0a61949d87d4
SHA1 hash:
1dec6bf452fccaae34fbd307ee4f8085ff17424d
Malware family:
BlankGrabber
Verdict:
Malicious
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
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_detect_tls_callbacks
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: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.

Comments