Static task
static1
Behavioral task
behavioral1
Sample
CloudChat.exe
Resource
win7-20230831-en
General
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Target
CloudChat.exe.vir
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Size
36.6MB
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MD5
a4df0d97c5ba25cd268333d55e8cdc6b
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SHA1
09ae203c6b046128800c2f639648249dd16554bc
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SHA256
fb152d58f2aef35c22942ec55498288c41d482b0f2bf0f73bde700d6071bcc87
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SHA512
f2473901edd77365d6b776bdb92d7860f61c84f7e716b7110b672bcd98afd67dfbff0ca77b5351086dc6147e3ada061e19c54c705cf62459061ff08b51eb6ccd
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SSDEEP
786432:xe3MoHyDXjHqA7SzkLPRWJ5TJiEaQStpOX90oTDndH52Yo2cV:c3MoHybrfLPRWjhajtpOXSQ8YozV
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CloudChat.exe.vir
Files
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CloudChat.exe.vir.exe windows:6 windows x86
836688c7d21e39394af41ce9a8c2d728
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateFileW
CloseHandle
WriteFile
DeleteFileW
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
RemoveDirectoryW
GetTempPathW
GetTempFileNameW
CreateDirectoryW
MoveFileW
GetLastError
EnterCriticalSection
LeaveCriticalSection
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetCurrentThreadId
RaiseException
SetLastError
GlobalUnlock
GlobalLock
GlobalAlloc
MulDiv
lstrcmpW
CreateEventW
FindClose
FindFirstFileW
GetFullPathNameW
SetEvent
InitializeCriticalSection
lstrcpynW
CreateThread
WaitForSingleObject
GetProcAddress
LoadLibraryExW
Sleep
GetDiskFreeSpaceExW
DecodePointer
GetExitCodeThread
GetCurrentProcessId
FreeLibrary
GetSystemDirectoryW
lstrlenW
VerifyVersionInfoW
VerSetConditionMask
lstrcmpiW
GetModuleHandleW
LoadLibraryW
GetDriveTypeW
CompareStringW
FindNextFileW
GetLogicalDriveStringsW
GetFileSize
GetFileAttributesW
GetShortPathNameW
SetFileAttributesW
GetFileTime
CopyFileW
ReadFile
SetFilePointer
SystemTimeToFileTime
MultiByteToWideChar
WideCharToMultiByte
GetCurrentProcess
GetSystemInfo
WaitForMultipleObjects
VirtualProtect
VirtualQuery
LoadLibraryExA
GetStringTypeW
SetUnhandledExceptionFilter
FormatMessageW
FileTimeToSystemTime
GetEnvironmentVariableW
GetEnvironmentStringsW
LocalFree
InitializeCriticalSectionEx
LoadLibraryA
GetModuleFileNameA
GetCurrentThread
GetConsoleOutputCP
FlushFileBuffers
SetConsoleTextAttribute
GetStdHandle
GetConsoleScreenBufferInfo
OutputDebugStringW
CreateProcessW
GetExitCodeProcess
GetTickCount
GetCommandLineW
SetCurrentDirectoryW
SetEndOfFile
EnumResourceLanguagesW
GetLocaleInfoW
GetSystemDefaultLangID
GetUserDefaultLangID
GetWindowsDirectoryW
GetSystemTime
GetDateFormatW
GetTimeFormatW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
ResetEvent
GlobalFree
GetPrivateProfileStringW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
GetLocalTime
CreateNamedPipeW
ConnectNamedPipe
Wow64DisableWow64FsRedirection
Wow64RevertWow64FsRedirection
IsWow64Process
TerminateThread
LocalAlloc
CompareFileTime
CopyFileExW
OpenEventW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
EncodePointer
LCMapStringEx
GetSystemTimeAsFileTime
CompareStringEx
GetCPInfo
IsDebuggerPresent
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
WaitForSingleObjectEx
UnhandledExceptionFilter
TerminateProcess
GetStartupInfoW
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
GetFileType
GetTimeZoneInformation
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleMode
IsValidCodePage
GetACP
GetOEMCP
GetFileSizeEx
SetFilePointerEx
FindFirstFileExW
GetCommandLineA
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
ReadConsoleW
WriteConsoleW
Sections
.text Size: 2.0MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 528KB - Virtual size: 528KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 34KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 209KB - Virtual size: 209KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 149KB - Virtual size: 148KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ