blankgrabber | Built[.]exe

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General

Target

Built.exe
Size

6.9MB
MD5

c01ef6c50c50e965c1b00ad14ac033cf
SHA1

490e85442faddc014f9c2f2ec63bb69095c66b56
SHA256

276551df72cfefde4969198d823ebf586abc353f29e06ab42816062dc0b7f02c
SHA512

5b105b6303e3195f573032a676222da6ce459b841ae381de1bdcef6d8712af27156c07b9425f28d314d57535ba876d629ab6e164f657877f317c907c816d82d1
SSDEEP

98304:OaDjWM8JEE1rfCamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRpYKJJcGhEIFl:Oa0v7eNTfm/pf+xk4dWRptrbWOjgra

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/#�,� X�.pyc	blankgrabber

Blankgrabber family
blankgrabber

Files

Built.exe
.exe windows:6 windows x64 arch:x64

72c4e339b7af8ab1ed2eb3821c98713a

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29-04-2021 00:00

Not After

28-04-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:ba
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

18-10-2022 00:00

Not After

15-10-2025 23:59

Subject

CN=NVIDIA Corporation,OU=1-F,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24-12-1999 17:50

Not After

24-07-2029 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22-07-2015 19:02

Not After

22-06-2029 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

19-01-2024 16:46

Not After

01-06-2029 00:00

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

33:00:00:01:11:2a:07:90:aa:e5:56:85:29:00:00:00:00:01:11
Certificate

Issuer

CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16-05-2024 22:16

Not After

14-05-2025 22:16

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0b:aa:c1:00:00:00:00:00:09
Certificate

Issuer

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

Not Before

18-04-2012 23:48

Not After

18-04-2027 23:58

Subject

CN=Microsoft Windows Third Party Component CA 2012,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b
Signer

Actual PE Digest

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b

Digest Algorithm

sha256

PE Digest Matches

false

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b
Signer

Actual PE Digest

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b

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

comctl32

ord380

kernel32

GetACP
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
SetEnvironmentVariableW
FlushFileBuffers
GetCurrentDirectoryW
LCMapStringW
CompareStringW
FlsFree
GetOEMCP
GetCPInfo
GetModuleHandleW
MulDiv
FormatMessageW
GetLastError
GetModuleFileNameW
LoadLibraryExW
SetDllDirectoryW
CreateSymbolicLinkW
GetProcAddress
GetEnvironmentStringsW
GetCommandLineW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetDriveTypeW
RemoveDirectoryW
GetTempPathW
CloseHandle
QueryPerformanceCounter
QueryPerformanceFrequency
WaitForSingleObject
Sleep
GetCurrentProcess
TerminateProcess
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LocalFree
SetConsoleCtrlHandler
K32EnumProcessModules
K32GetModuleFileNameExW
CreateFileW
FindFirstFileExW
GetFinalPathNameByHandleW
MultiByteToWideChar
WideCharToMultiByte
FlsSetValue
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
HeapReAlloc
WriteConsoleW
SetEndOfFile
CreateDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW

gdi32

SelectObject
DeleteObject
CreateFontIndirectW

Sections

.text
Size: 168KB - Virtual size: 167KB

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: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - 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
#�,� X�.pyc

Sharing

General

Malware Config

Signatures

Files

72c4e339b7af8ab1ed2eb3821c98713a

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:baCertificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04Certificate

Extended Key Usages

Key Usages

33:00:00:01:11:2a:07:90:aa:e5:56:85:29:00:00:00:00:01:11Certificate

Extended Key Usages

61:0b:aa:c1:00:00:00:00:00:09Certificate

Key Usages

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6bSigner

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6bSigner

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 168KB - Virtual size: 167KB

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

.data Size: 3KB - Virtual size: 20KB

.pdata Size: 9KB - Virtual size: 8KB

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

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

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0d:01:94:cd:1e:31:42:20:51:35:d1:c6:36:e4:e9:ba
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

33:00:00:01:11:2a:07:90:aa:e5:56:85:29:00:00:00:00:01:11
Certificate

61:0b:aa:c1:00:00:00:00:00:09
Certificate

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b
Signer

61:fa:0c:b3:7c:2e:1e:66:86:64:c1:c8:c6:ff:72:5b:3b:95:fa:c9:50:7b:12:b7:6d:f9:60:94:71:51:de:6b
Signer

.text
Size: 168KB - Virtual size: 167KB

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

.data
Size: 3KB - Virtual size: 20KB

.pdata
Size: 9KB - Virtual size: 8KB

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

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