blankgrabber | ExmPaidTweaks[.]exe

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General

Target

ExmPaidTweaks.exe
Size

7.4MB
MD5

fb85c9ed03b0ba5a1cb056918422b013
SHA1

68e862e622451164142f5143965109097daf3353
SHA256

335e38a7985a1357ffe96c98258a8a8a4e10897a3a5bd97c06de9a8f5bc98c7b
SHA512

832978b77aae80cf12d6feea3bb54c7c5766985e0279c78d4164b2499e8b9c1269f6ce709e4b899fe4687240f47f3673803f29804063c6a7c5ae96468c2178f0
SSDEEP

196608:jY8PgLjv+bhqNVoB0SEsucQZ41JBbIR11tY:c8PwL+9qz80SJHQK1JI1vY

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

resource	yara_rule
static1/unpack001/�Ի5G�.pyc	blankgrabber

Blankgrabber family
blankgrabber

Files

ExmPaidTweaks.exe
.exe windows:6 windows x64 arch:x64

72c4e339b7af8ab1ed2eb3821c98713a

Code Sign

04:c6:15:6f:d9:a4:15:76:b2:de:a4:86:e2:46:86:db
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

12-05-2020 00:00

Not After

10-08-2023 12:00

Subject

CN=LunarG\, Inc.,O=LunarG\, Inc.,L=Fort Collins,ST=Colorado,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2013 12:00

Not After

22-10-2028 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21-09-2022 00:00

Not After

21-11-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

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

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:f5:e8:77:3b:20:6b:1c:cd:61:00:00:00:00:00:f5
Certificate

Issuer

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

Not Before

12-01-2023 19:14

Not After

15-12-2023 19:14

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

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0
Signer

Actual PE Digest

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0

Digest Algorithm

sha256

PE Digest Matches

false

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0
Signer

Actual PE Digest

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0

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: 36KB - Virtual size: 35KB

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
�Ի5G�.pyc

Sharing

General

Malware Config

Signatures

Files

72c4e339b7af8ab1ed2eb3821c98713a

Code Sign

04:c6:15:6f:d9:a4:15:76:b2:de:a4:86:e2:46:86:dbCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

33:00:00:00:f5:e8:77:3b:20:6b:1c:cd:61:00:00:00:00:00:f5Certificate

Extended Key Usages

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

Key Usages

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0Signer

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0Signer

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: 36KB - Virtual size: 35KB

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

04:c6:15:6f:d9:a4:15:76:b2:de:a4:86:e2:46:86:db
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

33:00:00:00:f5:e8:77:3b:20:6b:1c:cd:61:00:00:00:00:00:f5
Certificate

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

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0
Signer

73:a9:c1:bd:02:09:2c:8f:fe:49:c1:f2:3d:8d:22:fd:86:10:1a:15:0b:fd:4e:bf:32:47:af:3c:73:01:d0:d0
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: 36KB - Virtual size: 35KB

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