MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499. 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: 14


Intelligence 14 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499
SHA3-384 hash: f74a0eb95142f3d4673275a7bf9cb76d3a72bd8df9d4b0b27c1725ed8e783e9d4d8aa599ffa2771d170c96bf4c8986d5
SHA1 hash: 21f07b36197be39f6db1cf8ae7d9cb1afc750b48
MD5 hash: d368f3959b9a9ff30d34004d99676729
humanhash: twenty-helium-lamp-cola
File name:driver.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:8'761'213 bytes
First seen:2025-01-10 09:58:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (50 x BlankGrabber, 26 x PythonStealer, 7 x LunaStealer)
ssdeep 196608:H9DRkd7lwfI9jUCBB7m+mKOY7rXrZu6SELooDmhfvsbnTNWZ:datKIHL7HmBYXrkRoaUNK
TLSH T16196338666D104FAF937A83ED4928E1BCB327D215B70DA97437487754EB39F1082A327
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter zhuzhu0009
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
driver.exe
Verdict:
Malicious activity
Analysis date:
2025-01-10 09:44:39 UTC
Tags:
python screenshot uac evasion blankgrabber stealer discord pyinstaller discordgrabber generic growtopia susp-powershell ims-api upx
Link:
https://app.any.run/tasks/2ea860b9-6fb6-471d-94da-ab2addc13fdb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.22561.28030.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6780ec04c029bd73f288f3b7
Tags:
autorun shell crypt sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Searching for synchronization primitives
Launching a process
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
Using the Windows Management Instrumentation requests
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay
Link:
https://www.filescan.io/uploads/6780ef67d0ec437b47a6f41d/reports/b9dfc3dc-7167-4bff-87d8-af5c85087d32/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b89b5518-6003-4713-bbd7-6321fd17fe91
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/1587410
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Modifies existing user documents (likely ransomware behavior)
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: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Ping/Del Command Combination
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Startup Folder Persistence
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 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
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: 1587410 Sample: driver.exe Startdate: 10/01/2025 Architecture: WINDOWS Score: 100 70 ip-api.com 2->70 72 discord.com 2->72 80 Sigma detected: Capture Wi-Fi password 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Yara detected Blank Grabber 2->84 86 10 other signatures 2->86 11 driver.exe 61 2->11         started        15 svchost.exe 2->15         started        signatures3 process4 dnsIp5 62 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->62 dropped 64 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->64 dropped 66 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->66 dropped 68 55 other files (none is malicious) 11->68 dropped 112 Self deletion via cmd or bat file 11->112 114 Modifies Windows Defender protection settings 11->114 116 Adds a directory exclusion to Windows Defender 11->116 118 2 other signatures 11->118 18 driver.exe 1 90 11->18         started        78 127.0.0.1 unknown unknown 15->78 file6 signatures7 process8 dnsIp9 74 ip-api.com 208.95.112.1, 49841, 80 TUT-ASUS United States 18->74 76 discord.com 162.159.137.232, 443, 49845 CLOUDFLARENETUS United States 18->76 88 Found many strings related to Crypto-Wallets (likely being stolen) 18->88 90 Self deletion via cmd or bat file 18->90 92 Tries to harvest and steal browser information (history, passwords, etc) 18->92 94 6 other signatures 18->94 22 cmd.exe 1 18->22         started        25 cmd.exe 1 18->25         started        27 cmd.exe 1 18->27         started        29 28 other processes 18->29 signatures10 process11 signatures12 96 Suspicious powershell command line found 22->96 98 Uses ping.exe to sleep 22->98 100 Encrypted powershell cmdline option found 22->100 110 4 other signatures 22->110 31 powershell.exe 23 22->31         started        34 conhost.exe 22->34         started        102 Modifies Windows Defender protection settings 25->102 104 Removes signatures from Windows Defender 25->104 36 powershell.exe 23 25->36         started        46 2 other processes 25->46 106 Adds a directory exclusion to Windows Defender 27->106 38 powershell.exe 27->38         started        40 conhost.exe 27->40         started        108 Tries to harvest and steal WLAN passwords 29->108 42 getmac.exe 29->42         started        44 systeminfo.exe 29->44         started        48 52 other processes 29->48 process13 file14 120 Loading BitLocker PowerShell Module 36->120 122 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 42->122 124 Writes or reads registry keys via WMI 42->124 56 C:\Users\user\AppData\...\c4gv4hox.cmdline, Unicode 48->56 dropped 58 C:\Users\user\AppData\Local\Temp\Ffb7z.zip, RAR 48->58 dropped 51 csc.exe 48->51         started        signatures15 process16 file17 60 C:\Users\user\AppData\Local\...\c4gv4hox.dll, PE32 51->60 dropped 54 cvtres.exe 51->54         started        process18
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499/
Threat name:
Win32.Exploit.BlankGrabber
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 09:44:38 UTC
File Type:
PE+ (Exe)
Extracted files:
435
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bxu6jrda3w5k2we4qz72bj342d67fxubr5npxpwhkxi5scrysmq._file
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Link:
https://tria.ge/reports/250110-lz275s1lgv/
Behaviour
Detects videocard installed
Gathers system information
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Internet Connection Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Enumerates processes with tasklist
Hide Artifacts: Hidden Files and Directories
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bd49152c-e6ba-4dd3-979b-d2a07b21561f
Unpacked files
SH256 hash:
f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499
MD5 hash:
d368f3959b9a9ff30d34004d99676729
SHA1 hash:
21f07b36197be39f6db1cf8ae7d9cb1afc750b48
Link:
https://www.unpac.me/results/dd9718c0-c1ca-4d12-819f-538eb243eb9a/
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/f86f4f262306edd56ac4e433fd053be687ef96f40c7ad7ddf63aae8ec851c499

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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: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.

anyrun
any.run
https://app.any.run/tasks/2ea860b9-6fb6-471d-94da-ab2addc13fdb#

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::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments