MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f145a4d00566964b14e9b825779fd1aae1ea308a36e9d3536534779e19d64a1. 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 8 File information Comments

SHA256 hash: 0f145a4d00566964b14e9b825779fd1aae1ea308a36e9d3536534779e19d64a1
SHA3-384 hash: aca8b174cd58fd4a9a19622f933b75949e52bce2b666c0f4496db10d57a98cb0b754efa87c311cbe0ffa9184e4ba98af
SHA1 hash: 35e2fa322989afa985734caa7c663510de21a2cc
MD5 hash: b5fc1d627d4db7ee46dc0fe38ac28d01
humanhash: grey-dakota-low-twelve
File name:ahost.exe
Download: download sample
Signature BlankGrabber
File size:7'967'812 bytes
First seen:2024-12-13 07:18:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (48 x BlankGrabber, 26 x PythonStealer, 7 x LunaStealer)
ssdeep 196608:BHHYHRwfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jN:SOIHziK1piXLGVE4Ue0VJJ
TLSH T1E9863301B68009F6F6BBDA3DC8928419C473376217A0DAEB071CD27A1E731F99876767
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
File icon (PE):PE icon
dhash icon f4e4d4d4d4d4d4dc (4 x BlankGrabber)
Reporter JAMESWT_WT
Tags:BlankGrabber exe github-com--homboz

Intelligence


File Origin
# of uploads :
1
# of downloads :
391
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ahost.exe
Verdict:
Malicious activity
Analysis date:
2024-12-13 07:53:52 UTC
Tags:
uac evasion python blankgrabber stealer screenshot discord pyinstaller discordgrabber generic growtopia susp-powershell 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:
shell virus 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
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
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 lolbin microsoft_visual_cc overlay packed packed packer_detected
Result
Verdict:
MALICIOUS
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 sample
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
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
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1574323 Sample: ahost.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 70 ip-api.com 2->70 72 discord.com 2->72 74 blank-baxwq.in 2->74 82 Sigma detected: Capture Wi-Fi password 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 Yara detected Blank Grabber 2->86 88 11 other signatures 2->88 11 ahost.exe 22 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 16 other files (none is malicious) 11->68 dropped 114 Modifies Windows Defender protection settings 11->114 116 Adds a directory exclusion to Windows Defender 11->116 118 Tries to harvest and steal WLAN passwords 11->118 120 2 other signatures 11->120 18 ahost.exe 1 72 11->18         started        80 127.0.0.1 unknown unknown 15->80 file6 signatures7 process8 dnsIp9 76 ip-api.com 208.95.112.1, 49713, 49721, 80 TUT-ASUS United States 18->76 78 discord.com 162.159.135.232, 443, 49722 CLOUDFLARENETUS United States 18->78 90 Found many strings related to Crypto-Wallets (likely being stolen) 18->90 92 Tries to harvest and steal browser information (history, passwords, etc) 18->92 94 Modifies Windows Defender protection settings 18->94 96 6 other signatures 18->96 22 cmd.exe 1 18->22         started        25 cmd.exe 1 18->25         started        27 cmd.exe 18->27         started        29 35 other processes 18->29 signatures10 process11 signatures12 98 Suspicious powershell command line found 22->98 100 Uses cmd line tools excessively to alter registry or file data 22->100 102 Encrypted powershell cmdline option found 22->102 112 2 other signatures 22->112 31 powershell.exe 22->31         started        34 conhost.exe 22->34         started        104 Modifies Windows Defender protection settings 25->104 106 Removes signatures from Windows Defender 25->106 36 powershell.exe 23 25->36         started        46 2 other processes 25->46 108 Adds a directory exclusion to Windows Defender 27->108 38 powershell.exe 27->38         started        40 conhost.exe 27->40         started        110 Tries to harvest and steal WLAN passwords 29->110 42 getmac.exe 29->42         started        44 systeminfo.exe 29->44         started        48 68 other processes 29->48 process13 file14 122 Loading BitLocker PowerShell Module 36->122 124 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 42->124 126 Writes or reads registry keys via WMI 42->126 56 C:\Users\user\AppData\Local\Temp\p92x0.zip, RAR 48->56 dropped 58 C:\Users\user\AppData\...\ohbt5slp.cmdline, Unicode 48->58 dropped 51 csc.exe 48->51         started        signatures15 process16 file17 60 C:\Users\user\AppData\Local\...\ohbt5slp.dll, PE32 51->60 dropped 54 cvtres.exe 51->54         started        process18
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2024-12-13 07:14:58 UTC
File Type:
PE+ (Exe)
Extracted files:
397
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Behaviour
Detects videocard installed
Gathers system information
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: Wi-Fi Discovery
Enumerates processes with tasklist
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
Drops file in Drivers directory
Unpacked files
SH256 hash:
0f145a4d00566964b14e9b825779fd1aae1ea308a36e9d3536534779e19d64a1
MD5 hash:
b5fc1d627d4db7ee46dc0fe38ac28d01
SHA1 hash:
35e2fa322989afa985734caa7c663510de21a2cc
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:DebuggerCheck__API
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

BlankGrabber

Executable exe 0f145a4d00566964b14e9b825779fd1aae1ea308a36e9d3536534779e19d64a1

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

Comments