empyrean | Hollow[.]nova7[.]4[.]exe

Resubmissions

10-09-2024 14:24

240910-rq6rvsyhka 10

10-09-2024 14:24

240910-rqptcaxdqm 10

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General

Target

Hollow.nova7.4.exe
Size

18.4MB
MD5

0eccd228c2645b50e28cc82d81d59fbd
SHA1

81f33dad7cf167c36630da3f4ba249f482523fb4
SHA256

a0109b2dbaa9d58fa022090d798d800fa5edbc429a04c10e83bd833890d4cb89
SHA512

d71faf3c32402756776361e01ef8f84c57e87c4a1845aec0cf67806be5ae520e1f0721e45925677beaba08c9138ac04aaeaca1e37d1b61ab59004b822e74a3e3
SSDEEP

393216:qqPnLFXlr9QpDOETgs77fGaQgzxTvEu4SVjNL6q:/PLFXN9QoE7gWicdxr

Score

10^/10

pyinstaller empyrean

Malware Config

Signatures

Detects Empyrean stealer 1 IoCs

resource	yara_rule
static1/unpack001/main.pyc	family_empyrean

Empyrean family
empyrean

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Hollow.nova7.4.exe

Files

Hollow.nova7.4.exe
.exe windows:5 windows x64 arch:x64

1e92fd54d65284238a0e3b74b2715062

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
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
GetProcAddress
GetCommandLineW
GetCPInfo
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
SetEndOfFile
GetEnvironmentVariableW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
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

Sections

.text
Size: 162KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 61KB

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
main.pyc

Resubmissions

Sharing

General

Malware Config

Signatures

Files

1e92fd54d65284238a0e3b74b2715062

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 162KB - Virtual size: 161KB

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

.data Size: 3KB - Virtual size: 64KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 61KB - Virtual size: 61KB

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

.text
Size: 162KB - Virtual size: 161KB

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

.data
Size: 3KB - Virtual size: 64KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 61KB - Virtual size: 61KB

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