a1fbee549a00971cece863265a7403aa[.]exe

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General

Target
a1fbee549a00971cece863265a7403aa.exe
Size 1.2MB
Sample240201-gbp6fscdc6
SHA256 d79b3d620f65afb01eaf106d7c355f6bc47f9da173d39bab17091dcf05a792c0
MD5 a1fbee549a00971cece863265a7403aa
SHA1 43ebf62f631c13391eb49ae23cb7f9c2cb6e56f7
SHA512 3079cb01fb5a1d452f685c9c2eab42985d407b7529cf900b8cc834cd67c6022aa74d5f11d9db95fc4b40122a4019ef529ff5f44de22c9b54e20923b847567a41
SSDEEP 24576:yvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dgg3x+yC7:ysMPSYcS5wPi095Pbgux
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a1fbee549a00971cece863265a7403aa.exe

File Explorer

a1fbee549a00971cece863265a7403aa.exe

.dll 1.2MB

a1fbee549a00971cece863265a7403aa.exe

IMPHASH 3eb70f83441fc8632e81bd6eb89f424d
SHA256 d79b3d620f65afb01eaf106d7c355f6bc47f9da173d39bab17091dcf05a792c0
MD5 a1fbee549a00971cece863265a7403aa
SHA1 43ebf62f631c13391eb49ae23cb7f9c2cb6e56f7
SHA512 3079cb01fb5a1d452f685c9c2eab42985d407b7529cf900b8cc834cd67c6022aa74d5f11d9db95fc4b40122a4019ef529ff5f44de22c9b54e20923b847567a41
SSDEEP 24576:yvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dgg3x+yC7:ysMPSYcS5wPi095Pbgux
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

853608

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

D:\Mktmp\StealerDLL\x64\Release\STEALERDLL.pdb

crypt32

CryptUnprotectData

kernel32

GetFullPathNameA SetEndOfFile UnlockFileEx GetTempPathW CreateMutexW WaitForSingleObject CreateFileW GetFileAttributesW GetCurrentThreadId UnmapViewOfFile HeapValidate HeapSize MultiByteToWideChar Sleep GetTempPathA FormatMessageW GetDiskFreeSpaceA GetLastError GetFileAttributesA GetFileAttributesExW OutputDebugStringW CreateFileA LoadLibraryA WaitForSingleObjectEx DeleteFileA DeleteFileW HeapReAlloc CloseHandle GetSystemInfo LoadLibraryW HeapAlloc HeapCompact HeapDestroy UnlockFile GetProcAddress CreateFileMappingA LocalFree LockFileEx GetFileSize DeleteCriticalSection GetCurrentProcessId GetProcessHeap SystemTimeToFileTime FreeLibrary WideCharToMultiByte GetSystemTimeAsFileTime GetSystemTime FormatMessageA CreateFileMappingW MapViewOfFile QueryPerformanceCounter GetTickCount FlushFileBuffers SetHandleInformation FindFirstFileA Wow64DisableWow64FsRedirection K32GetModuleFileNameExW FindNextFileA CreatePipe PeekNamedPipe lstrlenA FindClose GetCurrentDirectoryA lstrcatA OpenProcess SetCurrentDirectoryA CreateToolhelp32Snapshot ProcessIdToSessionId CopyFileA Wow64RevertWow64FsRedirection Process32NextW Process32FirstW CreateThread CreateProcessA CreateDirectoryA WriteConsoleW InitializeCriticalSection LeaveCriticalSection LockFile OutputDebugStringA GetDiskFreeSpaceW WriteFile GetFullPathNameW EnterCriticalSection HeapFree HeapCreate TryEnterCriticalSection ReadFile AreFileApisANSI SetFilePointer ReadConsoleW SetFilePointerEx GetConsoleMode GetConsoleCP SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW SetStdHandle GetCurrentDirectoryW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW GetModuleHandleW InitializeSListHead SetLastError InitializeCriticalSectionAndSpinCount SwitchToThread TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer DecodePointer GetCPInfo CompareStringW LCMapStringW GetLocaleInfoW GetStringTypeW RtlUnwindEx RtlPcToFileHeader RaiseException InterlockedFlushSList LoadLibraryExW ExitThread FreeLibraryAndExitThread GetModuleHandleExW GetDriveTypeW GetFileInformationByHandle GetFileType SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ExitProcess GetModuleFileNameW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW GetTimeZoneInformation GetStdHandle

advapi32

GetSidSubAuthorityCount RegEnumValueW RegEnumKeyA RegCloseKey RegQueryInfoKeyW RegOpenKeyA RegQueryValueExA GetSidIdentifierAuthority GetSidSubAuthority GetUserNameA RegEnumKeyExW LookupAccountNameA RegOpenKeyExA

shell32

SHGetFolderPathA SHFileOperationA

wininet

HttpOpenRequestA InternetWriteFile InternetReadFile InternetConnectA HttpSendRequestA InternetCloseHandle InternetOpenA HttpAddRequestHeadersA HttpSendRequestExW HttpEndRequestA InternetOpenW

bcrypt

BCryptOpenAlgorithmProvider BCryptSetProperty BCryptGenerateSymmetricKey BCryptDecrypt

Name

.text

Size

1008KB

Virtual Size

1007KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

179KB

Virtual Size

179KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

17KB

Virtual Size

46KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

43KB

Virtual Size

43KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

248B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

a1fbee549a00971cece863265a7403aa.exe

crypt32

kernel32

advapi32

shell32

wininet

bcrypt

generic