Viper[.]exe | Triage

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General

Target

Viper.exe
Size

11.9MB
MD5

225c45a0264b1df319e8cc3f23fdabd0
SHA1

dcc21b53e77e16ad8731dc06cefad21a9c00a932
SHA256

03af8463370ab8f2641dd3920ec9f9db9c514b889d0031aa5a1cc6b869524b62
SHA512

da69183be60082841afa2496f8d9373075bf46a2f23ac122c1ebc170240817cb0a9f478e292cd09724addac9cef461e658250461336b237a6177e486bdd18fda
SSDEEP

196608:Tk5wv21JTH7QOl23oQ4ijWcXTt9EIJBRriobVHD62UkdD5fCIbxmFk6KsktZI4VH:4GMJT4orijWcX5HRWoq4DNDUTKskE4VH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Viper.exe

Files

Viper.exe
.exe windows:6 windows x64 arch:x64

8e3dad4d4ea6736338bcc4aca7b446c9

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

shell32

SHFileOperationW
SHGetFolderPathW
CommandLineToArgvW

kernel32

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

Sections

.text
Size: 128KB - Virtual size: 127KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 50KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 11.7MB - Virtual size: 11.7MB

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

8e3dad4d4ea6736338bcc4aca7b446c9

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

Sections

.text Size: 128KB - Virtual size: 127KB

.rdata Size: 50KB - Virtual size: 50KB

.data Size: 3KB - Virtual size: 147KB

.pdata Size: 6KB - Virtual size: 5KB

.rsrc Size: 11.7MB - Virtual size: 11.7MB

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

.text
Size: 128KB - Virtual size: 127KB

.rdata
Size: 50KB - Virtual size: 50KB

.data
Size: 3KB - Virtual size: 147KB

.pdata
Size: 6KB - Virtual size: 5KB

.rsrc
Size: 11.7MB - Virtual size: 11.7MB

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