blankgrabber | ‎[.]exe

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General

Target

‎.exe
Size

7.5MB
MD5

06bd8bcabbfb6fcaf0858e2a6ccec861
SHA1

c5c5ea158b9823f3ccb799386356d35713107d37
SHA256

891e045d6b5f4ad1be2551fd0e1f34d4c65601a5acf6a07a5bd1022a8a9cbe0e
SHA512

0ee9146c83355396550d75974a7d85b58904969ce25052ab01971637e18e57e9f859116ab774e191fafad7282cd357666b22b696940148f261be934e84139e03
SSDEEP

98304:4wDjWM8JE+s1FpfamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfiJs7eRpYRJJcGY:/0vreNTfm/pf+xk4dKWSRpmrbW3jmrM

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/�� ]��.pyc	blankgrabber

Blankgrabber family
blankgrabber

Files

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

1382600071b963b016f1113cadaf2c5a

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3
Certificate

Issuer

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Not Before

29/09/2021, 00:00

Not After

28/09/2024, 23:59

Subject

SERIALNUMBER=407950,CN=Akeo Consulting,O=Akeo Consulting,ST=Donegal,C=IE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024945

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0d:10:d2:fa:42:87:94:bb:e4:9e:49:d4:9b:cb:43:b5:96:88:5c:ea:1a:b9:0e:78:64:7f:1d:ba:0e:4f:ca:7d
Signer

Actual PE Digest

0d:10:d2:fa:42:87:94:bb:e4:9e:49:d4:9b:cb:43:b5:96:88:5c:ea:1a:b9:0e:78:64:7f:1d:ba:0e:4f:ca:7d

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

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

api-ms-win-crt-convert-l1-1-0

mbstowcs
strtoul
wcstombs

api-ms-win-crt-environment-l1-1-0

__p__environ
__p__wenviron
_wputenv_s

api-ms-win-crt-filesystem-l1-1-0

_wfullpath
_wstat64

api-ms-win-crt-heap-l1-1-0

_set_new_mode
calloc
free
malloc
realloc

api-ms-win-crt-locale-l1-1-0

setlocale

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-private-l1-1-0

memcmp
memcpy
strchr
wcschr

api-ms-win-crt-runtime-l1-1-0

__p___argc
__p___argv
__p___wargv
__p__wcmdln
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_errno
_exit
_getpid
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
_wcserror
abort
exit
signal
strerror

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
__stdio_common_vsprintf
__stdio_common_vswprintf
_fileno
_get_osfhandle
_wfopen
_wtempnam
clearerr
fclose
feof
ferror
fflush
fread
fseek
ftell
fwrite
setbuf

api-ms-win-crt-string-l1-1-0

_strdup
_stricmp
_wcsdup
_wcsdup
_wcsnicmp
iswctype
memset
strcmp
strcpy
strlen
strncat
strncmp
wcscat
wcscmp
wcslen
wcsncmp

api-ms-win-crt-time-l1-1-0

__daylight
__timezone
__tzname
_tzset

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: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 352B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 13KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 7KB

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: 324B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
�� ]��.pyc

Sharing

General

Malware Config

Signatures

Files

1382600071b963b016f1113cadaf2c5a

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6eCertificate

Extended Key Usages

Key Usages

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

0d:10:d2:fa:42:87:94:bb:e4:9e:49:d4:9b:cb:43:b5:96:88:5c:ea:1a:b9:0e:78:64:7f:1d:ba:0e:4f:ca:7dSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comctl32

gdi32

kernel32

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-time-l1-1-0

user32

Sections

.text Size: 61KB - Virtual size: 60KB

.data Size: 512B - Virtual size: 352B

.rdata Size: 29KB - Virtual size: 28KB

/4 Size: 512B - Virtual size: 4B

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

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

.bss Size: - Virtual size: 13KB

.idata Size: 7KB - Virtual size: 7KB

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

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

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

.reloc Size: 512B - Virtual size: 324B

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

0d:10:d2:fa:42:87:94:bb:e4:9e:49:d4:9b:cb:43:b5:96:88:5c:ea:1a:b9:0e:78:64:7f:1d:ba:0e:4f:ca:7d
Signer

.text
Size: 61KB - Virtual size: 60KB

.data
Size: 512B - Virtual size: 352B

.rdata
Size: 29KB - Virtual size: 28KB

/4
Size: 512B - Virtual size: 4B

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

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

.bss
Size: - Virtual size: 13KB

.idata
Size: 7KB - Virtual size: 7KB

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

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

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

.reloc
Size: 512B - Virtual size: 324B