_CallPattern@8
Static task
static1
Behavioral task
behavioral1
Sample
csrss.exe
Resource
win7-20220812-en
General
-
Target
csrss.exe
-
Size
4.5MB
-
MD5
2f29ebdaf7b3395ebdadb13f453177c7
-
SHA1
20913d2d3c145adf43af7f13108cd1eb974862ca
-
SHA256
5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708
-
SHA512
27c258f7f4f9add24666daadf62008bff00f224723623b0463a9d455254cfcbbbcda92488530dcb41a3fad0d688c15630e0d8eda3c6fce031db1a91fc9e03ce7
-
SSDEEP
98304:477X24Nev1+NrGJ4FSBiD+Fon/wpCmreluztZi3:kX243NrGk+F+/wYmt
Malware Config
Signatures
Files
-
csrss.exe.exe windows x86
ed5488bcbdcd1d385e7d9b63bac8f551
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
ExitProcess
GetVolumeNameForVolumeMountPointA
GetCommandLineW
SetVolumeLabelA
GetFileSize
CreateMutexW
WriteConsoleInputW
WritePrivateProfileStructA
GetConsoleAliasesLengthW
GetProfileIntW
GetDefaultCommConfigW
LoadResource
InterlockedIncrement
SetConsoleTextAttribute
InterlockedDecrement
ZombifyActCtx
GetNamedPipeHandleStateA
GetProfileSectionA
GetComputerNameW
GetCommProperties
FreeEnvironmentStringsA
GetProcessPriorityBoost
GetPrivateProfileStringW
GetConsoleTitleA
GetWindowsDirectoryA
WriteFile
SetCommState
EnumResourceTypesA
CreateDirectoryExW
TlsSetValue
FindResourceExA
GlobalAlloc
LoadLibraryW
GetConsoleMode
SizeofResource
GetCalendarInfoA
ReadFileScatter
GetSystemWow64DirectoryW
SetSystemTimeAdjustment
GetSystemWindowsDirectoryA
GetVersionExW
GlobalFlags
SetConsoleCursorPosition
VerifyVersionInfoA
GetBinaryTypeA
GetAtomNameW
IsDBCSLeadByte
GetOverlappedResult
CompareStringW
lstrlenW
SetConsoleTitleA
GlobalUnlock
GetConsoleOutputCP
CreateDirectoryA
SetCurrentDirectoryA
SetThreadLocale
FreeUserPhysicalPages
SetComputerNameA
EnterCriticalSection
SearchPathA
OpenWaitableTimerA
GetLocalTime
LoadLibraryA
IsSystemResumeAutomatic
SetFileApisToANSI
WriteProfileSectionW
SetConsoleWindowInfo
FindAtomA
GetTapeParameters
WTSGetActiveConsoleSessionId
SetConsoleCursorInfo
GetModuleHandleA
VirtualProtect
GetCurrentDirectoryA
CompareStringA
GetConsoleCursorInfo
ScrollConsoleScreenBufferA
SetThreadAffinityMask
WriteFileEx
FileTimeToLocalFileTime
InterlockedPushEntrySList
LCMapStringW
CopyFileExA
DeleteFileA
FlushFileBuffers
GetLastError
MultiByteToWideChar
GetCommandLineA
GetStartupInfoA
HeapValidate
IsBadReadPtr
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetModuleFileNameW
DeleteCriticalSection
LeaveCriticalSection
GetACP
GetOEMCP
GetCPInfo
IsValidCodePage
GetProcAddress
TlsGetValue
GetModuleHandleW
TlsAlloc
GetCurrentThreadId
TlsFree
SetLastError
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
Sleep
GetModuleFileNameA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
HeapDestroy
HeapCreate
HeapFree
VirtualFree
HeapAlloc
HeapSize
HeapReAlloc
VirtualAlloc
SetFilePointer
GetConsoleCP
DebugBreak
OutputDebugStringA
WriteConsoleW
OutputDebugStringW
InitializeCriticalSectionAndSpinCount
RtlUnwind
LCMapStringA
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
SetStdHandle
WriteConsoleA
CreateFileA
CloseHandle
user32
GetMessageTime
GetMenuCheckMarkDimensions
Exports
Exports
Sections
.text Size: 4.4MB - Virtual size: 4.4MB
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: 7KB - Virtual size: 4.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 62KB - Virtual size: 169KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ