blankgrabber | KIX-GhostClient_6[.]exe

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General

Target
KIX-GhostClient_6.exe
Size 6.8MB
Sample240512-c2nm4afe24
SHA256 e70a82f28b1bc395faa00d81b4e09e11f397751a5813b371a5117095bec7a11d
MD5 4dd30a5ff9d3534e5018ff86f93e8d7e
SHA1 b67cde729b93090d2df17b01cbc71e8c1fed3c82
SHA512 5dbf24868170c36b7dab564264590b761399522109a8486abe39775115084f62efac28f0470aac885c761c0c4ce00f46144ba95cbe6f4b18dcad904e8e358931
SSDEEP 196608:6resV1gqB6ylnlPzf+JiJCsmFMvNn6hVvTr:7qBRlnlPSa7mmvN+rr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/n�h{m�.pyc	blankgrabber

Blankgrabber family
blankgrabber

File Explorer

KIX-GhostClient_6.exe

.exe 6.8MB
n�h{m�.pyc

1KB

KIX-GhostClient_6.exe

IMPHASH f4f2e2b03fe5666a721620fcea3aea9b
SHA256 e70a82f28b1bc395faa00d81b4e09e11f397751a5813b371a5117095bec7a11d
MD5 4dd30a5ff9d3534e5018ff86f93e8d7e
SHA1 b67cde729b93090d2df17b01cbc71e8c1fed3c82
SHA512 5dbf24868170c36b7dab564264590b761399522109a8486abe39775115084f62efac28f0470aac885c761c0c4ce00f46144ba95cbe6f4b18dcad904e8e358931
SSDEEP 196608:6resV1gqB6ylnlPzf+JiJCsmFMvNn6hVvTr:7qBRlnlPSa7mmvN+rr
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

PE Signature issue

Digest

58:b2:b0:91:98:f6:5a:e1:b5:16:35:93:1c:b8:a9:bb:77:89:d9:f4:9b:a3:c8:a6:03:ce:6b:cd:9d:e6:9d:f6

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=Microsoft Windows Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

May 3, 2024

Minor OS version

Major OS version

Entry point

50496

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

user32

CreateWindowExW PostMessageW GetMessageW MessageBoxW MessageBoxA SystemParametersInfoW DestroyIcon SetWindowLongPtrW GetWindowLongPtrW GetClientRect InvalidateRect ReleaseDC GetDC DrawTextW GetDialogBaseUnits EndDialog DialogBoxIndirectParamW MoveWindow SendMessageW

comctl32

ord380

kernel32

IsValidCodePage GetStringTypeW GetFileAttributesExW HeapReAlloc FlushFileBuffers GetCurrentDirectoryW GetACP GetOEMCP GetModuleHandleW MulDiv GetLastError SetDllDirectoryW CreateFileW GetFinalPathNameByHandleW CloseHandle GetModuleFileNameW CreateSymbolicLinkW GetCPInfo GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW CreateDirectoryW GetTempPathW WaitForSingleObject Sleep GetExitCodeProcess CreateProcessW GetStartupInfoW FreeLibrary LoadLibraryExW SetConsoleCtrlHandler FindClose FindFirstFileExW GetCurrentProcess LocalFree FormatMessageW MultiByteToWideChar WideCharToMultiByte GetEnvironmentStringsW FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize WriteConsoleW SetEndOfFile GetProcAddress GetSystemTimeAsFileTime RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId InitializeSListHead IsDebuggerPresent RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer RaiseException RtlPcToFileHeader GetCommandLineA GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime GetFullPathNameW RemoveDirectoryW FindNextFileW SetStdHandle DeleteFileW ReadFile GetStdHandle WriteFile ExitProcess GetModuleHandleExW HeapFree GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleOutputCP GetFileSizeEx HeapAlloc FlsAlloc FlsGetValue FlsSetValue FlsFree CompareStringW LCMapStringW

advapi32

OpenProcessToken GetTokenInformation ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertSidToStringSidW

gdi32

SelectObject DeleteObject CreateFontIndirectW

Name

.text

Size

172KB

Virtual Size

171KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

76KB

Virtual Size

75KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

KIX-GhostClient_6.exe

PE Signature issue

user32

comctl32

kernel32

advapi32

gdi32

generic

n�h{m�.pyc

n�h{m�.pyc