blankgrabber | opium-launcher[.]exe

Sharing

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General

Target

opium-launcher.exe
Size

6.3MB
MD5

2d961cff56a652f3fa68502929786b44
SHA1

c82a3feed7c5a12ab0228b1578e0bb803f14ceb9
SHA256

78e7c05414a084cba983e0f4162285902d9ecb88ff291169bb8c5e1581075fb2
SHA512

513bab24f5e7d1edd7b60751856a082d32d6142df6d79f25d884fd3abee7ccfda558f0a71b550d5e0ccd3185cf8cf81e4c04fe59461add4cbe4d89d22b1edd38
SSDEEP

98304:86cJ75YthUuOFccRacg/BGfO1q4HNK0zbup/xzcq8zAFPmv9JT1sOBN3o1pj:E5e6u8raRRnz+R8zmPm1D7C

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

opium-launcher.exe
.exe windows:6 windows x86 arch:x86

366fdad9fcfadbb8d97a02e946650cdf

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

71:bc:54:65:4d:8a:e9:9a:c9:85:00:ff:27:4e:87:76:f9:a9:2a:9f:47:90:9e:32:ab:ba:ef:6c:0c:41:95:c2
Signer

Actual PE Digest

71:bc:54:65:4d:8a:e9:9a:c9:85:00:ff:27:4e:87:76:f9:a9:2a:9f:47:90:9e:32:ab:ba:ef:6c:0c:41:95:c2

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

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
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

comctl32

ord380

kernel32

GetACP
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
SetEnvironmentVariableW
FlushFileBuffers
GetCurrentDirectoryW
LCMapStringW
CompareStringW
HeapAlloc
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
GetFileSizeEx
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
DecodePointer
HeapReAlloc
WriteConsoleW
SetEndOfFile
CreateDirectoryW
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
GetCommandLineA
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW

gdi32

SelectObject
DeleteObject
CreateFontIndirectW

Sections

.text
Size: 152KB - Virtual size: 152KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.pyc

Sharing

General

Malware Config

Signatures

Files

366fdad9fcfadbb8d97a02e946650cdf

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

71:bc:54:65:4d:8a:e9:9a:c9:85:00:ff:27:4e:87:76:f9:a9:2a:9f:47:90:9e:32:ab:ba:ef:6c:0c:41:95:c2Signer

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 152KB - Virtual size: 152KB

.rdata Size: 54KB - Virtual size: 54KB

.data Size: 3KB - Virtual size: 18KB

.rsrc Size: 19KB - Virtual size: 19KB

.reloc Size: 8KB - Virtual size: 7KB

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

71:bc:54:65:4d:8a:e9:9a:c9:85:00:ff:27:4e:87:76:f9:a9:2a:9f:47:90:9e:32:ab:ba:ef:6c:0c:41:95:c2
Signer

.text
Size: 152KB - Virtual size: 152KB

.rdata
Size: 54KB - Virtual size: 54KB

.data
Size: 3KB - Virtual size: 18KB

.rsrc
Size: 19KB - Virtual size: 19KB

.reloc
Size: 8KB - Virtual size: 7KB