viwsample[.]zip

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General

Target

viwsample.zip
Size

167KB
MD5

d7fdf350a3641d51cc98336591d7de36
SHA1

da3f303ca5646071789a34235a23ce9c091627b8
SHA256

2c6a47174b83812e4ff753c3f11e89aee283a3b0ff54b56c9e92742af667e1c2
SHA512

7d3fc8923625964e77040d469c94d16b2d28e376c1627195842fad64eb0de57c83f15da642302f3e966683ad0a5e1beb536048d3c12ca2b95478c818d7782c3a
SSDEEP

3072:Gk2IU6em0tCd705DLdY5OC3EdGIzKhDdGcZSXvDs/BghO29lVECZRnBuMgXHy3Sp:l2cejCd6L1C3EdGfhZ+f2yO2PVBAJy3S

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/viw/Virus.exe
unpack001/viw/files/l.exe

Files

viwsample.zip
.zip
README.txt
viw/Virus.exe
.exe windows:4 windows x86 arch:x86

5877688b4859ffd051f6be3b8e0cd533

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
memcpy
tolower
wcscat
malloc

kernel32

GetModuleHandleW
HeapCreate
GetStdHandle
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
GetExitCodeProcess
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetNativeSystemInfo
GetShortPathNameW
GetWindowsDirectoryW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
GetProcAddress
GetVersionExW
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
TerminateProcess
SetUnhandledExceptionFilter
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
InterlockedCompareExchange
InterlockedExchange
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
DuplicateHandle
RegisterWaitForSingleObject

user32

CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
DestroyWindow
GetWindowLongW
GetWindowTextLengthW
GetWindowTextW
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
EnableWindow
GetSystemMetrics
CreateWindowExW
SetWindowLongW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos

gdi32

GetStockObject

comctl32

InitCommonControlsEx

shell32

ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW

winmm

timeBeginPeriod

ole32

CoInitialize
CoTaskMemFree

shlwapi

PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW

Sections

.code
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 173KB - Virtual size: 173KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
viw/files/1.bat
viw/files/aaa.bat
viw/files/desk.bat
viw/files/l.exe
.exe windows:4 windows x86 arch:x86

2c5f2513605e48f2d8ea5440a870cb9e

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
wcscat
memcpy
tolower
malloc

kernel32

GetModuleHandleW
HeapCreate
GetStdHandle
SetConsoleCtrlHandler
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetNativeSystemInfo
GetShortPathNameW
GetWindowsDirectoryW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
GetProcAddress
GetVersionExW
Sleep
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
PeekNamedPipe
TerminateProcess
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
DuplicateHandle
CreatePipe
CreateProcessW
GetExitCodeProcess
SetUnhandledExceptionFilter
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
InterlockedCompareExchange
InterlockedExchange
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
RegisterWaitForSingleObject

user32

CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
DestroyWindow
GetWindowLongW
GetWindowTextLengthW
GetWindowTextW
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
EnableWindow
GetSystemMetrics
CreateWindowExW
SetWindowLongW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos

gdi32

GetStockObject

comctl32

InitCommonControlsEx

shell32

ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW

winmm

timeBeginPeriod

ole32

CoInitialize
CoTaskMemFree

shlwapi

PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW

Sections

.code
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 173KB - Virtual size: 173KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
viw/files/test.bat
viw/files/virus.bat

Sharing

General

Malware Config

Signatures

Files

5877688b4859ffd051f6be3b8e0cd533

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

comctl32

shell32

winmm

ole32

shlwapi

Sections

.code Size: 14KB - Virtual size: 13KB

.text Size: 53KB - Virtual size: 52KB

.rdata Size: 13KB - Virtual size: 12KB

.data Size: 4KB - Virtual size: 5KB

.rsrc Size: 173KB - Virtual size: 173KB

2c5f2513605e48f2d8ea5440a870cb9e

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

comctl32

shell32

winmm

ole32

shlwapi

Sections

.code Size: 14KB - Virtual size: 14KB

.text Size: 54KB - Virtual size: 54KB

.rdata Size: 13KB - Virtual size: 12KB

.data Size: 4KB - Virtual size: 5KB

.rsrc Size: 173KB - Virtual size: 173KB

.code
Size: 14KB - Virtual size: 13KB

.text
Size: 53KB - Virtual size: 52KB

.rdata
Size: 13KB - Virtual size: 12KB

.data
Size: 4KB - Virtual size: 5KB

.rsrc
Size: 173KB - Virtual size: 173KB

.code
Size: 14KB - Virtual size: 14KB

.text
Size: 54KB - Virtual size: 54KB

.rdata
Size: 13KB - Virtual size: 12KB

.data
Size: 4KB - Virtual size: 5KB

.rsrc
Size: 173KB - Virtual size: 173KB