MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72fdb72dcc71697b027824211e2879f4bf8c8974e56a857f2fca30ad7b675d6f. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 72fdb72dcc71697b027824211e2879f4bf8c8974e56a857f2fca30ad7b675d6f
SHA3-384 hash: 5934bb304653a1d0bfaa6e7b8342f8a18eaa8f79c77bdee28eaf6f3669a472ad7b6568fd77ddf358da8220bafcfdc001
SHA1 hash: 0b2487fe4e3ffaf79fdf1c0c0b01f6ce68346daf
MD5 hash: 12e9f3ce18351ee539646c23cc862c5c
humanhash: robert-shade-robin-green
File name:Built.exe
Download: download sample
Signature BlankGrabber
File size:7'849'062 bytes
First seen:2024-11-10 16:02:48 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:yOgFHwfI9jUC2gYBYv3vbW5+iITm1U6fi:4FMIH2gYBgDW4TOz6
TLSH T1CD863389B7854CE8D8FBC53D84934223DB72BC525720E9EB139C43751E3B6A0693EB91
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 aachum
Tags:BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
372
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Built.exe
Verdict:
Malicious activity
Analysis date:
2024-11-10 16:25:10 UTC
Tags:
evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a custom TCP request
Reading critical registry keys
Launching the process to change network settings
Enabling the 'hidden' option for analyzed file
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
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
Result
Threat name:
Blank Grabber
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Check if machine is in data center or colocation facility
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Removes signatures from Windows Defender
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Yara detected Blank Grabber
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1553260 Sample: Built.exe Startdate: 10/11/2024 Architecture: WINDOWS Score: 100 56 ip-api.com 2->56 58 blank-ggoxg.in 2->58 60 241.42.69.40.in-addr.arpa 2->60 70 Found malware configuration 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected Blank Grabber 2->74 76 4 other signatures 2->76 10 Built.exe 22 2->10         started        signatures3 process4 file5 48 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 10->48 dropped 50 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 10->50 dropped 52 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 10->52 dropped 54 16 other files (none is malicious) 10->54 dropped 78 Modifies Windows Defender protection settings 10->78 80 Adds a directory exclusion to Windows Defender 10->80 82 Removes signatures from Windows Defender 10->82 14 Built.exe 10->14         started        signatures6 process7 dnsIp8 62 ip-api.com 208.95.112.1, 49731, 80 TUT-ASUS United States 14->62 86 Found many strings related to Crypto-Wallets (likely being stolen) 14->86 88 Modifies Windows Defender protection settings 14->88 90 Adds a directory exclusion to Windows Defender 14->90 92 Removes signatures from Windows Defender 14->92 18 cmd.exe 1 14->18         started        21 cmd.exe 1 14->21         started        23 cmd.exe 1 14->23         started        25 cmd.exe 1 14->25         started        signatures9 process10 signatures11 64 Modifies Windows Defender protection settings 18->64 66 Adds a directory exclusion to Windows Defender 18->66 68 Removes signatures from Windows Defender 18->68 27 powershell.exe 23 18->27         started        30 conhost.exe 18->30         started        32 powershell.exe 23 21->32         started        34 MpCmdRun.exe 2 21->34         started        36 conhost.exe 21->36         started        38 WMIC.exe 1 23->38         started        40 conhost.exe 23->40         started        42 conhost.exe 25->42         started        44 tasklist.exe 1 25->44         started        process12 signatures13 84 Loading BitLocker PowerShell Module 27->84 46 WmiPrvSE.exe 27->46         started        process14
Threat name:
Win64.Trojan.Znyonm
Status:
Malicious
First seen:
2024-11-10 16:01:45 UTC
File Type:
PE+ (Exe)
Extracted files:
547
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber 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
Unpacked files
SH256 hash:
72fdb72dcc71697b027824211e2879f4bf8c8974e56a857f2fca30ad7b675d6f
MD5 hash:
12e9f3ce18351ee539646c23cc862c5c
SHA1 hash:
0b2487fe4e3ffaf79fdf1c0c0b01f6ce68346daf
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:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

BlankGrabber

Executable exe 72fdb72dcc71697b027824211e2879f4bf8c8974e56a857f2fca30ad7b675d6f

(this sample)

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