blankgrabber | ‎ [.]scr

Sharing

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General

Target

‎ .scr
Size

7.0MB
MD5

9986b853517629bd78071d58b06e19c4
SHA1

dfc83f03116cfcebfd5e60c9184d9c6afd2161f9
SHA256

131e405c37c91ff364985850be666e6be009e7bc0ad25a23db7bd7192a7195a6
SHA512

294bf41682b7dfe9f03d74e2529c46cdd824a8ab7e205fafee9f19e4a8599a932acb0945a90c56616db0cccbde71e13f0c8ff5608ecfc8ddc5d4c7030572142d
SSDEEP

98304:pDzHqdVfB2GyuT/9vUIdD9C+z3zO917vOTh+ezsNh75S2zh/hQq8BpvmJ1YPFlVF:pvQsGbT/9bvLz3S1bA32zOqOsYPdF

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/Ԍ3)y.pyc	blankgrabber

Blankgrabber family
blankgrabber

Files

‎ .scr
.exe windows:5 windows x64

0b5552dccd9d0a834cea55c0c8fc05be

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

03/02/2023, 00:05

Not After

01/02/2024, 00:05

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

e8:a7:fc:66:9b:bb:c6:b0:76:d8:38:12:f7:ba:3e:f4:d4:5b:9e:c1:7a:a6:2e:32:78:5f:33:5f:4b:cb:20:7d
Signer

Actual PE Digest

e8:a7:fc:66:9b:bb:c6:b0:76:d8:38:12:f7:ba:3e:f4:d4:5b:9e:c1:7a:a6:2e:32:78:5f:33:5f:4b:cb:20:7d

Digest Algorithm

sha256

PE Digest Matches

false

Headers

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

Imports

user32

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

comctl32

ord380

kernel32

GetStringTypeW
GetFileAttributesExW
HeapReAlloc
FlushFileBuffers
GetCurrentDirectoryW
IsValidCodePage
GetACP
GetModuleHandleW
MulDiv
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
GetOEMCP
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
SetEnvironmentVariableW
RtlUnwindEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
SetEndOfFile
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
CreateFileW
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

Sections

.text
Size: 162KB - Virtual size: 162KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 75KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Ԍ3)y.pyc

Sharing

General

Malware Config

Signatures

Files

0b5552dccd9d0a834cea55c0c8fc05be

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

e8:a7:fc:66:9b:bb:c6:b0:76:d8:38:12:f7:ba:3e:f4:d4:5b:9e:c1:7a:a6:2e:32:78:5f:33:5f:4b:cb:20:7dSigner

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 162KB - Virtual size: 162KB

.rdata Size: 75KB - Virtual size: 74KB

.data Size: 3KB - Virtual size: 64KB

.pdata Size: 8KB - Virtual size: 8KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

e8:a7:fc:66:9b:bb:c6:b0:76:d8:38:12:f7:ba:3e:f4:d4:5b:9e:c1:7a:a6:2e:32:78:5f:33:5f:4b:cb:20:7d
Signer

.text
Size: 162KB - Virtual size: 162KB

.rdata
Size: 75KB - Virtual size: 74KB

.data
Size: 3KB - Virtual size: 64KB

.pdata
Size: 8KB - Virtual size: 8KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 2KB - Virtual size: 1KB