vss[.]exe | Triage

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General

Target

vss.exe
Size

114KB
MD5

a12b7336c9e163843fcf15314aef6770
SHA1

4d0e0ca7dbc7c169533bcb58fbac1eb1612f3e9c
SHA256

76dd0c8a3b908e13753e9833178d75c0540d5eb6c384ef405570890c320765fc
SHA512

ccd731252e4f5cce919f42a61293526f0aa833cf4ec4a614ee23efa5143d31bd14c285ddef9cbd2f2dc77cf403c97a6ad5db6d75e775945d4d0bbf5fe0bf705f
SSDEEP

1536:TTJ0yP2bE1LLIUWsaL/bzWfDl4LhYGeAShI4QSOwoP85+PjNcWIsWlFd+9dl0qiS:/GWX1MbzIGrEI4QjwoP85INk/2eUY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
vss.exe

Files

vss.exe
.exe windows:6 windows x64 arch:x64

924cf949d92cc899ee2496ccda353b41

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
WriteConsoleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapFree
CloseHandle
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW

Sections

.text
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

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

Sharing

General

Malware Config

Signatures

Files

924cf949d92cc899ee2496ccda353b41

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 65KB - Virtual size: 64KB

.rdata Size: 38KB - Virtual size: 38KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

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

.text
Size: 65KB - Virtual size: 64KB

.rdata
Size: 38KB - Virtual size: 38KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

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