YahooNVX-Checker[.]zip

Sharing

Copy URL Twitter E-mail

General

Target

YahooNVX-Checker.zip
Size

5.0MB
MD5

2fc5a2603bd742551e125b5e317bfa06
SHA1

49786d7b8734be1d863085bad1442430286da6b0
SHA256

31010d2bbb6c5a26aaaa612fd04eb30163ef4a104e6e5a48494f5a7d2e21ca7e
SHA512

4ebc768a06030fa7653e86d263fc7d60418e5b04d4778a61503ff16d70abdd92c317a996937a773bacd36906ab17c5c1ba9e9096f99050286f412466fa842d73
SSDEEP

98304:avAWw9wWJX/cwfDpUGbzdTVVYzORolcVv5iJcSEKSKARgN8chZBgyYgDnv1x3W9k:aveNJXTfDGwzBVVhRgctDXWjOcTBTDvJ

Score

7^/10

themida

Malware Config

Signatures

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
static1/unpack001/database32.dll	themida

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/YahooNVXNew_p_.exe
unpack001/d3dcompiler_47.dll
unpack001/database32.dll
unpack001/nssdbm3.cfg

Files

YahooNVX-Checker.zip
.zip
YahooNVX.json
YahooNVXNew_p_.exe
.exe windows x86

9b2bdd112dc8c1680a3e249b71d7bcec

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetSystemTime
GetTimeZoneInformation
MultiByteToWideChar
LoadLibraryExA
CreateFileW
CloseHandle
ReadConsoleW
FormatMessageA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
LocalFree
EncodePointer
DecodePointer
LCMapStringEx
GetLocaleInfoEx
GetStringTypeW
CompareStringEx
GetCPInfo
GetCurrentThreadId
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetModuleHandleW
RaiseException
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
GetProcAddress
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetCurrentThread
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
HeapReAlloc
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
OutputDebugStringW
SetStdHandle
GetFileSizeEx
SetFilePointerEx
HeapSize
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
WriteConsoleW

version

VerQueryValueW

Sections

.text
Size: 544KB - Virtual size: 543KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 112KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.msvcjmc
Size: 512B - Virtual size: 292B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 912B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
d3dcompiler_47.dll
.exe windows x86

e88acaf620491944e2fca7bab702ad6d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

LoadLibraryExW
GetSystemTime
GetTimeZoneInformation
MultiByteToWideChar
CreateFileW
CloseHandle
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapSize
SetFilePointerEx
SetStdHandle
FreeEnvironmentStringsW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
GetCPInfo
WideCharToMultiByte
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
IsDebuggerPresent
RaiseException
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
RtlUnwind
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
HeapReAlloc
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
WriteConsoleW

winhttp

WinHttpReceiveResponse
WinHttpSendRequest
WinHttpOpenRequest
WinHttpSetTimeouts
WinHttpSetOption
WinHttpQueryHeaders
WinHttpWriteData
WinHttpReadData
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpQueryDataAvailable

Sections

.text
Size: 224KB - Virtual size: 224KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
database32.dll
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

Size: 85KB - Virtual size: 181KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 26KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 681B - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 580B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 8KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.imports
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.themida
Size: - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boot
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
nssdbm3.cfg
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9b2bdd112dc8c1680a3e249b71d7bcec

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

version

Sections

.text Size: 544KB - Virtual size: 543KB

.rdata Size: 112KB - Virtual size: 112KB

.data Size: 6KB - Virtual size: 11KB

.msvcjmc Size: 512B - Virtual size: 292B

.rsrc Size: 1024B - Virtual size: 912B

.reloc Size: 20KB - Virtual size: 20KB

e88acaf620491944e2fca7bab702ad6d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

winhttp

Sections

.text Size: 224KB - Virtual size: 224KB

.rdata Size: 61KB - Virtual size: 60KB

.data Size: 3KB - Virtual size: 8KB

.rsrc Size: 1KB - Virtual size: 1KB

Headers

DLL Characteristics

File Characteristics

Sections

Size: 85KB - Virtual size: 181KB

Size: 26KB - Virtual size: 63KB

Size: 681B - Virtual size: 7KB

Size: 580B - Virtual size: 1KB

Size: 8KB - Virtual size: 10KB

.imports Size: 512B - Virtual size: 4KB

.rsrc Size: 1KB - Virtual size: 4KB

.themida Size: - Virtual size: 2.7MB

.boot Size: 1.8MB - Virtual size: 1.8MB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rsrc Size: 1KB - Virtual size: 1KB

.text
Size: 544KB - Virtual size: 543KB

.rdata
Size: 112KB - Virtual size: 112KB

.data
Size: 6KB - Virtual size: 11KB

.msvcjmc
Size: 512B - Virtual size: 292B

.rsrc
Size: 1024B - Virtual size: 912B

.reloc
Size: 20KB - Virtual size: 20KB

.text
Size: 224KB - Virtual size: 224KB

.rdata
Size: 61KB - Virtual size: 60KB

.data
Size: 3KB - Virtual size: 8KB

.rsrc
Size: 1KB - Virtual size: 1KB

.imports
Size: 512B - Virtual size: 4KB

.rsrc
Size: 1KB - Virtual size: 4KB

.themida
Size: - Virtual size: 2.7MB

.boot
Size: 1.8MB - Virtual size: 1.8MB

.text
Size: 2.1MB - Virtual size: 2.1MB

.rsrc
Size: 1KB - Virtual size: 1KB