Report - .csrss.exe

Generic Malware Malicious Library PE File PE32
ScreenShot
Created 2022.01.17 17:39 Machine s1_win7_x6401
Filename .csrss.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
5
Behavior Score
2.6
ZERO API file : malware
VT API (file) 24 detected (AIDetect, malware1, malicious, high confidence, Unsafe, Save, confidence, 100%, Kryptik, Eldorado, Attribute, HighConfidence, Mikey, Convagent, FileRepMalware, MultiPlug, Krypt, Krypter, Artemis, Static AI, Malicious PE)
md5 917673e1f99f2450c9274a482a0862b8
sha256 7218c94691a6d69887f816cd92e30530698611c4f94e1f50eeb239f2bd3eeb3a
ssdeep 6144:wiZbBZ0ofpD+al3RkSgSpDsVVmLlQjJkWO+Wjxr2jiuJwEiOH7b/IYs:wQVmoRD++KXSpDsVVmCjJkWO+Wjxajmq
imphash bed56fcc334b35bbcbc5c3e5d6f4e894
impfuzzy 96:hoscMxvBWPTUhpxX8PiXFJoGWn6DC6GIt+gQfc1GVULMhC:CYBWPTUtsPiX0oDsk
  Network IP location

Signature (7cnts)

Level Description
warning File has been identified by 24 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
notice Foreign language identified in PE resource
notice The binary likely contains encrypted or compressed data indicative of a packer
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info The file contains an unknown PE resource name possibly indicative of a packer
info This executable has a PDB path

Rules (4cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x401000 HeapLock
 0x401004 GetExitCodeProcess
 0x401008 DeactivateActCtx
 0x40100c GetVersionExW
 0x401010 GetConsoleCP
 0x401014 GetConsoleAliasesLengthA
 0x401018 GetDefaultCommConfigA
 0x40101c FindFirstFileExA
 0x401020 GetDriveTypeA
 0x401024 FreeEnvironmentStringsW
 0x401028 SetProcessPriorityBoost
 0x40102c SetVolumeMountPointW
 0x401030 SetCurrentDirectoryW
 0x401034 GetLongPathNameA
 0x401038 CopyFileW
 0x40103c TlsGetValue
 0x401040 GetConsoleCursorInfo
 0x401044 SetComputerNameExW
 0x401048 SystemTimeToTzSpecificLocalTime
 0x40104c FindAtomA
 0x401050 ReleaseSemaphore
 0x401054 CallNamedPipeW
 0x401058 CreateMailslotW
 0x40105c BuildCommDCBAndTimeoutsA
 0x401060 VirtualProtect
 0x401064 LoadLibraryA
 0x401068 LocalAlloc
 0x40106c TryEnterCriticalSection
 0x401070 GetCommandLineA
 0x401074 InterlockedDecrement
 0x401078 GetCalendarInfoW
 0x40107c DeleteFileA
 0x401080 CreateActCtxW
 0x401084 OutputDebugStringA
 0x401088 SetSystemTimeAdjustment
 0x40108c SetPriorityClass
 0x401090 WritePrivateProfileStringW
 0x401094 GetProcessHeaps
 0x401098 GlobalUnWire
 0x40109c GetProcessHeap
 0x4010a0 GetStartupInfoW
 0x4010a4 GetDiskFreeSpaceExW
 0x4010a8 GetCPInfoExW
 0x4010ac GetWindowsDirectoryA
 0x4010b0 GetSystemWow64DirectoryW
 0x4010b4 GetProfileStringA
 0x4010b8 WriteProfileSectionA
 0x4010bc GetProfileStringW
 0x4010c0 SetLastError
 0x4010c4 DeleteVolumeMountPointW
 0x4010c8 DebugBreak
 0x4010cc GetPrivateProfileSectionW
 0x4010d0 lstrcmpA
 0x4010d4 ReadFileScatter
 0x4010d8 GetSystemWindowsDirectoryA
 0x4010dc TerminateProcess
 0x4010e0 GlobalFindAtomW
 0x4010e4 FindCloseChangeNotification
 0x4010e8 SetTapeParameters
 0x4010ec SetMailslotInfo
 0x4010f0 InterlockedExchange
 0x4010f4 DefineDosDeviceW
 0x4010f8 FindVolumeMountPointClose
 0x4010fc EndUpdateResourceA
 0x401100 WriteConsoleA
 0x401104 GetSystemTimeAdjustment
 0x401108 GetPrivateProfileSectionA
 0x40110c WritePrivateProfileSectionA
 0x401110 GetPrivateProfileStructW
 0x401114 GetFileAttributesExW
 0x401118 FileTimeToLocalFileTime
 0x40111c MoveFileA
 0x401120 GetVolumePathNameA
 0x401124 HeapUnlock
 0x401128 lstrcmpW
 0x40112c SetDefaultCommConfigA
 0x401130 FindActCtxSectionGuid
 0x401134 SetThreadContext
 0x401138 MoveFileExW
 0x40113c GlobalUnlock
 0x401140 UnregisterWaitEx
 0x401144 BuildCommDCBA
 0x401148 PeekConsoleInputW
 0x40114c OpenEventW
 0x401150 TransmitCommChar
 0x401154 WaitNamedPipeA
 0x401158 GetPrivateProfileSectionNamesW
 0x40115c FindResourceExA
 0x401160 EnumTimeFormatsW
 0x401164 GetLocalTime
 0x401168 SetLocalTime
 0x40116c OpenSemaphoreA
 0x401170 GetProcAddress
 0x401174 SetFileShortNameA
 0x401178 lstrcpyW
 0x40117c VerLanguageNameW
 0x401180 SetThreadExecutionState
 0x401184 SetSystemTime
 0x401188 SetConsoleCP
 0x40118c GetConsoleAliasW
 0x401190 FlushConsoleInputBuffer
 0x401194 AllocConsole
 0x401198 GetAtomNameW
 0x40119c WriteConsoleInputA
 0x4011a0 TransactNamedPipe
 0x4011a4 EnumDateFormatsW
 0x4011a8 GetCommState
 0x4011ac LockFile
 0x4011b0 _lopen
 0x4011b4 GetWriteWatch
 0x4011b8 SetConsoleMode
 0x4011bc GetModuleHandleA
 0x4011c0 WriteConsoleOutputCharacterA
 0x4011c4 GetConsoleAliasExesLengthA
 0x4011c8 HeapReAlloc
 0x4011cc GetLastError
 0x4011d0 GetCommMask
 0x4011d4 SetFilePointer
 0x4011d8 CancelWaitableTimer
 0x4011dc GetProcessHandleCount
 0x4011e0 GetCurrentProcessId
 0x4011e4 SetNamedPipeHandleState
 0x4011e8 GetCompressedFileSizeA
 0x4011ec FindNextVolumeMountPointW
 0x4011f0 GetFullPathNameA
 0x4011f4 WriteProfileStringA
 0x4011f8 DeleteAtom
 0x4011fc GlobalAddAtomW
 0x401200 AssignProcessToJobObject
 0x401204 QueryDosDeviceW
 0x401208 InitializeCriticalSection
 0x40120c Process32FirstW
 0x401210 GetBinaryTypeA
 0x401214 CreateIoCompletionPort
 0x401218 UnhandledExceptionFilter
 0x40121c SetUnhandledExceptionFilter
 0x401220 RaiseException
 0x401224 GetStartupInfoA
 0x401228 HeapValidate
 0x40122c IsBadReadPtr
 0x401230 DeleteCriticalSection
 0x401234 EnterCriticalSection
 0x401238 LeaveCriticalSection
 0x40123c GetModuleFileNameW
 0x401240 GetCurrentProcess
 0x401244 IsDebuggerPresent
 0x401248 GetModuleHandleW
 0x40124c Sleep
 0x401250 InterlockedIncrement
 0x401254 ExitProcess
 0x401258 GetModuleFileNameA
 0x40125c WriteFile
 0x401260 GetStdHandle
 0x401264 SetHandleCount
 0x401268 GetFileType
 0x40126c QueryPerformanceCounter
 0x401270 GetTickCount
 0x401274 GetCurrentThreadId
 0x401278 GetSystemTimeAsFileTime
 0x40127c FreeEnvironmentStringsA
 0x401280 GetEnvironmentStrings
 0x401284 WideCharToMultiByte
 0x401288 GetEnvironmentStringsW
 0x40128c TlsAlloc
 0x401290 TlsSetValue
 0x401294 TlsFree
 0x401298 HeapDestroy
 0x40129c HeapCreate
 0x4012a0 HeapFree
 0x4012a4 VirtualFree
 0x4012a8 HeapAlloc
 0x4012ac HeapSize
 0x4012b0 VirtualAlloc
 0x4012b4 GetACP
 0x4012b8 GetOEMCP
 0x4012bc GetCPInfo
 0x4012c0 IsValidCodePage
 0x4012c4 RtlUnwind
 0x4012c8 InitializeCriticalSectionAndSpinCount
 0x4012cc WriteConsoleW
 0x4012d0 OutputDebugStringW
 0x4012d4 LoadLibraryW
 0x4012d8 GetConsoleMode
 0x4012dc MultiByteToWideChar
 0x4012e0 LCMapStringA
 0x4012e4 LCMapStringW
 0x4012e8 GetStringTypeA
 0x4012ec GetStringTypeW
 0x4012f0 GetLocaleInfoA
 0x4012f4 FlushFileBuffers
 0x4012f8 SetStdHandle
 0x4012fc GetConsoleOutputCP
 0x401300 CloseHandle
 0x401304 CreateFileA
USER32.dll
 0x40130c OemToCharW

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure