blankgrabber | Resource[.]exe

Sharing

Copy URL Twitter E-mail

General

Target
Resource.exe
Size 7.4MB
Sample240613-nc8shswepe
SHA256 79041d419f813d07403d5ea0e190c09f63c0e9339bcf225b4588388de34aaa88
MD5 cd56d1639c638ef44a1cbcf6756ef2ba
SHA1 784970f33b026fe770d8c0f8938d17b26c428327
SHA512 c00a3be6d4cbc672b4fe3b4afb5072832a870c99d795656380e23d33e9b7b45f2d0851ba86e1d35fe502af2d001cf13e13ff6d431349dc166cfbdcc54bb19b39
SSDEEP 196608:qw0cDemLjv+bhqNVoBKUh8mz4Iv9Pmu1D7wJo:SieaL+9qz8/b4IsuRmo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

blankgrabber

Malware Config

Signatures

A stealer written in Python and packaged with Pyinstaller 1 IoCs

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

Blankgrabber family
blankgrabber

File Explorer

Resource.exe

.exe 7.4MB
e��.pyc

1KB

Resource.exe

IMPHASH 1af6c885af093afc55142c2f1761dbe8
SHA256 79041d419f813d07403d5ea0e190c09f63c0e9339bcf225b4588388de34aaa88
MD5 cd56d1639c638ef44a1cbcf6756ef2ba
SHA1 784970f33b026fe770d8c0f8938d17b26c428327
SHA512 c00a3be6d4cbc672b4fe3b4afb5072832a870c99d795656380e23d33e9b7b45f2d0851ba86e1d35fe502af2d001cf13e13ff6d431349dc166cfbdcc54bb19b39
SSDEEP 196608:qw0cDemLjv+bhqNVoBKUh8mz4Iv9Pmu1D7wJo:SieaL+9qz8/b4IsuRmo
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

PE Signature issue

Digest

bb:5f:67:d6:3d:4b:06:c3:36:b8:41:f1:7c:f4:8e:16:05:8e:92:3c:16:df:d0:bc:f5:c1:13:75:20:8e:29:f5

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Apr 25, 2023

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

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

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

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

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

May 25, 2021 - Dec 31, 2028

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Mar 22, 2021 - Mar 21, 2036

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Sep 29, 2021 - Sep 28, 2024

Subject

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

Serial Number

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

Issuer

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Jan 12, 2016 - Jan 11, 2031

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Dec 23, 2017 - Mar 22, 2029

Minor OS version

Major OS version

Entry point

49648

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

user32

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

comctl32

ord380

kernel32

IsValidCodePage GetStringTypeW GetFileAttributesExW HeapReAlloc FlushFileBuffers GetCurrentDirectoryW GetACP GetOEMCP GetModuleHandleW MulDiv GetLastError SetDllDirectoryW GetModuleFileNameW CreateSymbolicLinkW GetProcAddress GetCommandLineW GetEnvironmentVariableW GetCPInfo ExpandEnvironmentStringsW CreateDirectoryW GetTempPathW WaitForSingleObject Sleep GetExitCodeProcess CreateProcessW GetStartupInfoW FreeLibrary LoadLibraryExW SetConsoleCtrlHandler FindClose FindFirstFileExW CloseHandle GetCurrentProcess LocalFree FormatMessageW MultiByteToWideChar WideCharToMultiByte GetEnvironmentStringsW FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize WriteConsoleW SetEndOfFile SetEnvironmentVariableW RtlUnwindEx RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent 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

Name

.text

Size

167KB

Virtual Size

167KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

75KB

Virtual Size

74KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

37KB

Virtual Size

36KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Resource.exe

PE Signature issue

user32

comctl32

kernel32

advapi32

gdi32

generic

e��.pyc

e��.pyc