blankgrabber | Built[.]exe

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General

Target

Built.exe
Size

8.1MB
MD5

4710b33f223568f937491981af4835ea
SHA1

e652ed185904db6f7d736f6632591e7f6afc3bb8
SHA256

e9f14e739299266004482e02d9a8f6645eef2bf76a1cae679345b77ba2303cfa
SHA512

78b06abe93d563dafe74a4b32df71d6c163a8db2d25284f3f5eaa4c5251c0d714feca116eed72d17b14ed671cba55e003658a9856cb5b3e72c72523f74a5c3fa
SSDEEP

196608:CWBmurErvI9pWjg/Qc+4o673pNrabebSEdyzWGPMYnN9sa:DmurEUWjZZ4dDLIeW7zWGPTNCa

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/�K��2�.pyc	blankgrabber

Blankgrabber family
blankgrabber

Files

Built.exe
.exe windows:4 windows x64 arch:x64

758f5827dd042687cba02c91fcb1b038

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

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

Not Before

16-11-2023 19:20

Not After

14-11-2024 19:20

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

9e:f8:6a:b4:b1:94:33:43:c3:df:3b:1b:2c:d4:c3:53:fa:88:7c:c7:57:08:39:7f:6b:5e:69:b7:e5:e2:1d:89
Signer

Actual PE Digest

9e:f8:6a:b4:b1:94:33:43:c3:df:3b:1b:2c:d4:c3:53:fa:88:7c:c7:57:08:39:7f:6b:5e:69:b7:e5:e2:1d:89

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
GetTokenInformation
OpenProcessToken

comctl32

LoadIconMetric

gdi32

CreateFontIndirectW
DeleteObject
SelectObject

kernel32

AreFileApisANSI
CloseHandle
CreateDirectoryW
CreateFileW
CreateProcessW
CreateSymbolicLinkW
DeleteCriticalSection
DeleteFileW
EnterCriticalSection
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FormatMessageW
FreeLibrary
GetCommandLineW
GetCurrentProcess
GetDriveTypeW
GetEnvironmentVariableW
GetExitCodeProcess
GetFinalPathNameByHandleW
GetLastError
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
GetStartupInfoW
GetTempPathW
InitializeCriticalSection
IsDBCSLeadByteEx
K32EnumProcessModules
K32GetModuleFileNameExW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MulDiv
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RemoveDirectoryW
SetConsoleCtrlHandler
SetDllDirectoryW
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
__C_specific_handler

msvcrt

fwprintf
___lc_codepage_func
___mb_cur_max_func
__argc
__iob_func
__set_app_type
__setusermatherr
__wargv
__wgetmainargs
__winitenv
_amsg_exit
_cexit
_commode
_errno
_filelengthi64
_fileno
_fmode
_get_osfhandle
_getpid
_initterm
_onexit
_snwprintf
_stricmp
_wputenv_s
_vsnwprintf
_wcmdln
_wcsdup
_wcserror
_wcsnicmp
_wfopen
_wfullpath
_wstat64
_wtempnam
abort
calloc
clearerr
exit
fclose
feof
ferror
fflush
fgetpos
fprintf
fputc
fputs
fputwc
fread
free
fsetpos
fwrite
iswctype
localeconv
malloc
mbstowcs
memcmp
memcpy
memset
realloc
setbuf
signal
strchr
strcmp
strcpy
strerror
strlen
strncat
strncmp
strtoul
vfprintf
wcscat
wcschr
wcscmp
wcslen
wcsncmp
_wcsdup
_strdup
_fileno

user32

CreateWindowExW
DefWindowProcW
DestroyIcon
DestroyWindow
DialogBoxIndirectParamW
DispatchMessageW
DrawTextW
EndDialog
GetClientRect
GetDC
GetDialogBaseUnits
GetMessageW
GetWindowLongPtrW
InvalidateRect
MessageBoxA
MessageBoxW
MoveWindow
MsgWaitForMultipleObjects
PeekMessageW
PostMessageW
RegisterClassW
ReleaseDC
SendMessageW
SetWindowLongPtrW
ShowWindow
ShutdownBlockReasonCreate
SystemParametersInfoW
TranslateMessage

Sections

.text
Size: 76KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 15KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 308B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
�K��2�.pyc

Sharing

General

Malware Config

Signatures

Files

758f5827dd042687cba02c91fcb1b038

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

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

Key Usages

9e:f8:6a:b4:b1:94:33:43:c3:df:3b:1b:2c:d4:c3:53:fa:88:7c:c7:57:08:39:7f:6b:5e:69:b7:e5:e2:1d:89Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comctl32

gdi32

kernel32

msvcrt

user32

Sections

.text Size: 76KB - Virtual size: 76KB

.data Size: 512B - Virtual size: 256B

.rdata Size: 28KB - Virtual size: 27KB

.pdata Size: 3KB - Virtual size: 3KB

.xdata Size: 3KB - Virtual size: 3KB

.bss Size: - Virtual size: 15KB

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

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

.reloc Size: 512B - Virtual size: 308B

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

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

9e:f8:6a:b4:b1:94:33:43:c3:df:3b:1b:2c:d4:c3:53:fa:88:7c:c7:57:08:39:7f:6b:5e:69:b7:e5:e2:1d:89
Signer

.text
Size: 76KB - Virtual size: 76KB

.data
Size: 512B - Virtual size: 256B

.rdata
Size: 28KB - Virtual size: 27KB

.pdata
Size: 3KB - Virtual size: 3KB

.xdata
Size: 3KB - Virtual size: 3KB

.bss
Size: - Virtual size: 15KB

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

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

.reloc
Size: 512B - Virtual size: 308B