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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f
SHA3-384 hash: ffd773415c738a9347472179986c792258e67acd0e6e6b68a88737378da551c32500f93fef01826477f5de87906d24c8
SHA1 hash: d992b618465cdd6e62008111b30824db33a600b7
MD5 hash: 6840e70618d15c69dc7111876be5f238
humanhash: glucose-eighteen-equal-may
File name:underical.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:8'024'453 bytes
First seen:2024-07-08 15:36:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2ac23c52e7647c5bbea38e98bb68c652 (10 x BlankGrabber, 4 x PythonStealer, 3 x CobaltStrike)
ssdeep 196608:gc0+74eNTfm/pf+xk4dNSESRatrbWOjgKs:d73y/pWu4m5RatrbvMKs
TLSH T1FD863369B3F10DF2FAA7297BC8858919A271FC150B30CE4B475946BA0F279604C2FF58
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)
Reporter Anonymous
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f.exe
Verdict:
Malicious activity
Analysis date:
2024-07-08 15:38:01 UTC
Tags:
uac blankgrabber python discordgrabber generic stealer growtopia susp-powershell upx discord evasion
Link:
https://app.any.run/tasks/135025b3-3f4a-4e22-bd60-cef348101abf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Python.Muldrop.20.24206.409.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668c076580ab330aba4abb3awin7simulatehigh_evasion
Tags:
Encryption Static Crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Searching for synchronization primitives
Creating a window
Launching a process
Launching the process to change network settings
Using the Windows Management Instrumentation requests
Stealing user critical data
Launching a tool to kill processes
Adding an exclusion to Microsoft Defender
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed
Link:
https://www.filescan.io/uploads/668c07a0701ce12a8e3b899b/reports/bd597e11-667b-4aad-8eb7-1088202831bf/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8498f650-b358-441f-a4b9-2eee2457ae7e
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/1469243
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Suspicious Encoded PowerShell Command Line
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 cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
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: 1469243 Sample: underical.exe Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 69 discord.com 2->69 71 ip-api.com 2->71 85 Found malware configuration 2->85 87 Sigma detected: Capture Wi-Fi password 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 11 other signatures 2->91 11 underical.exe 61 2->11         started        signatures3 process4 file5 57 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->57 dropped 59 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->59 dropped 61 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->61 dropped 63 55 other files (none is malicious) 11->63 dropped 111 Very long command line found 11->111 113 Modifies Windows Defender protection settings 11->113 115 Adds a directory exclusion to Windows Defender 11->115 117 2 other signatures 11->117 15 underical.exe 1 109 11->15         started        signatures6 process7 dnsIp8 73 discord.com 162.159.128.233, 443, 49743 CLOUDFLARENETUS United States 15->73 75 ip-api.com 208.95.112.1, 49742, 80 TUT-ASUS United States 15->75 77 Very long command line found 15->77 79 Found many strings related to Crypto-Wallets (likely being stolen) 15->79 81 Uses cmd line tools excessively to alter registry or file data 15->81 83 8 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 28 other processes 15->26 signatures9 process10 signatures11 93 Suspicious powershell command line found 19->93 95 Very long command line found 19->95 97 Uses cmd line tools excessively to alter registry or file data 19->97 109 2 other signatures 19->109 28 powershell.exe 23 19->28         started        31 conhost.exe 19->31         started        99 Modifies Windows Defender protection settings 22->99 101 Removes signatures from Windows Defender 22->101 33 powershell.exe 23 22->33         started        41 2 other processes 22->41 103 Encrypted powershell cmdline option found 24->103 43 2 other processes 24->43 105 Adds a directory exclusion to Windows Defender 26->105 107 Tries to harvest and steal WLAN passwords 26->107 35 getmac.exe 26->35         started        37 systeminfo.exe 26->37         started        39 powershell.exe 26->39         started        46 53 other processes 26->46 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) 35->121 123 Writes or reads registry keys via WMI 35->123 48 WmiPrvSE.exe 37->48         started        65 C:\Users\user\AppData\...\2x2czkxd.cmdline, Unicode 43->65 dropped 50 csc.exe 43->50         started        67 C:\Users\user\AppData\Local\Temp\x1yRN.zip, RAR 46->67 dropped signatures14 process15 file16 55 C:\Users\user\AppData\Local\...\2x2czkxd.dll, PE32 50->55 dropped 53 cvtres.exe 50->53         started        process17
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-07-07 00:04:56 UTC
File Type:
PE+ (Exe)
Extracted files:
575
AV detection:
19 of 38 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tj3f2t2kp526v3o2lxkps4x36ixyfwd63ucavgfwjyht3csxd6hq._file
Verdict:
malicious
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber execution persistence privilege_escalation spyware stealer upx
Link:
https://tria.ge/reports/240708-s2f61swbmj/
Behaviour
Detects videocard installed
Enumerates processes with tasklist
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
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
Malware Family:
n/a
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5176e508-8f44-417a-aaff-c0fbabd79bc7
Unpacked files
SH256 hash:
9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f
MD5 hash:
6840e70618d15c69dc7111876be5f238
SHA1 hash:
d992b618465cdd6e62008111b30824db33a600b7
Detections:
INDICATOR_KB_CERT_00bfb15001bbf592d4962a7797ea736fa3
Create hunting rule
Link:
https://www.unpac.me/results/a81dd3ce-bfde-4a93-8dd6-bc8e26cdbf61/
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/9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f

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:DebuggerCheck__API
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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

BlankGrabber

rar eb109d6ca54deb880335e2b99108d3dfe980ea66a49bd63c4183d1c8e4c397f8

BlankGrabber

Executable exe 9a765d4f4a7f75eaedda5dd4f972fbf22f82d87edd040a98b64e0f3d8a571f8f

(this sample)

  
Dropped by
SHA256 eb109d6ca54deb880335e2b99108d3dfe980ea66a49bd63c4183d1c8e4c397f8
  
Delivery method
Other
  
Dropped by
MD5 0826ab3d1ae0967cb1efeb281687495d

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::CreateWindowExW

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