ScreenShot
| Created | 2021.10.27 10:25 | Machine | s1_win7_x6401 |
| Filename | csrss.exe | ||
| Type | PE32 executable (GUI) Intel 80386, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 28 detected (AIDetect, malware1, malicious, high confidence, Unsafe, Save, ZexaF, ou0@aaz4NpbG, Kryptik, Eldorado, GenKryptik, FMOR, A + Troj, Krypt, Static AI, Malicious PE, Pwsteal, score, BScope, Mokes, MachineLearning, Anomalous, ET#93%, RDMK, cmRtazr+UIEi6IzIAdyGKhMFecAm, susgen, confidence, 100%) | ||
| md5 | 24c4b3e55ca7f7cbd70f48c1f3ea3448 | ||
| sha256 | a000b23522b61426cc40661c7a0d46b2e897d95c010f9496bbcd848576d64dc2 | ||
| ssdeep | 3072:OCqElZKrjWIqMY6NHB7kHq/ZWzL/2vIu31kPcjPzzuVMO6P2+BwvHJ3/R1:zqsKrjWjM7BkSgzL/MF1bzynVP | ||
| imphash | 2b7a2a2feb79758ff89fe54c66664c92 | ||
| impfuzzy | 24:Gu9Esi+811wMcDR4xQ4lB8LO31tEW/J3IbdcQIlyv9Z9GS3jMxg:M+Vqm631tJScHK9eSCg | ||
Network IP location
Signature (7cnts)
| Level | Description |
|---|---|
| warning | File has been identified by 28 AntiVirus engines on VirusTotal as malicious |
| watch | Communicates with host for which no DNS query was performed |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| 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 (5cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Malicious_Library_Zero | Malicious_Library | binaries (upload) |
| watch | UPX_Zero | UPX packed file | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
PE API
IAT(Import Address Table) Library
KERNEL32.dll
0x41e008 GetCurrentProcess
0x41e00c SetEnvironmentVariableW
0x41e010 GetEnvironmentStringsW
0x41e014 SetEvent
0x41e018 SleepEx
0x41e01c GetTickCount
0x41e020 ReadConsoleW
0x41e024 FindActCtxSectionStringA
0x41e028 GlobalAlloc
0x41e02c InitAtomTable
0x41e030 FindNextVolumeW
0x41e034 GetTapePosition
0x41e038 GetMailslotInfo
0x41e03c CreateActCtxA
0x41e040 SetConsoleTitleA
0x41e044 Module32First
0x41e048 GetCPInfoExW
0x41e04c GetLastError
0x41e050 GetProcAddress
0x41e054 VirtualAlloc
0x41e058 GetAtomNameA
0x41e05c LoadLibraryA
0x41e060 WriteConsoleA
0x41e064 BeginUpdateResourceA
0x41e068 GetProcessShutdownParameters
0x41e06c LoadLibraryExA
0x41e070 GetProcessAffinityMask
0x41e074 ReleaseMutex
0x41e078 EndUpdateResourceA
0x41e07c GetVersionExA
0x41e080 FindNextVolumeA
0x41e084 lstrcpyW
0x41e088 LCMapStringW
0x41e08c GetModuleFileNameW
0x41e090 HeapReAlloc
0x41e094 EncodePointer
0x41e098 DecodePointer
0x41e09c GetModuleHandleW
0x41e0a0 ExitProcess
0x41e0a4 GetCommandLineW
0x41e0a8 HeapSetInformation
0x41e0ac GetStartupInfoW
0x41e0b0 RaiseException
0x41e0b4 UnhandledExceptionFilter
0x41e0b8 SetUnhandledExceptionFilter
0x41e0bc IsDebuggerPresent
0x41e0c0 TerminateProcess
0x41e0c4 HeapAlloc
0x41e0c8 HeapFree
0x41e0cc IsProcessorFeaturePresent
0x41e0d0 TlsAlloc
0x41e0d4 TlsGetValue
0x41e0d8 TlsSetValue
0x41e0dc TlsFree
0x41e0e0 InterlockedIncrement
0x41e0e4 SetLastError
0x41e0e8 GetCurrentThreadId
0x41e0ec InterlockedDecrement
0x41e0f0 ReadFile
0x41e0f4 EnterCriticalSection
0x41e0f8 LeaveCriticalSection
0x41e0fc SetHandleCount
0x41e100 GetStdHandle
0x41e104 InitializeCriticalSectionAndSpinCount
0x41e108 GetFileType
0x41e10c DeleteCriticalSection
0x41e110 SetFilePointer
0x41e114 GetCPInfo
0x41e118 GetACP
0x41e11c GetOEMCP
0x41e120 IsValidCodePage
0x41e124 CloseHandle
0x41e128 LoadLibraryW
0x41e12c WriteFile
0x41e130 FreeEnvironmentStringsW
0x41e134 HeapCreate
0x41e138 QueryPerformanceCounter
0x41e13c GetCurrentProcessId
0x41e140 GetSystemTimeAsFileTime
0x41e144 WideCharToMultiByte
0x41e148 GetConsoleCP
0x41e14c GetConsoleMode
0x41e150 Sleep
0x41e154 MultiByteToWideChar
0x41e158 RtlUnwind
0x41e15c SetStdHandle
0x41e160 FlushFileBuffers
0x41e164 GetStringTypeW
0x41e168 HeapSize
0x41e16c WriteConsoleW
0x41e170 CreateFileW
GDI32.dll
0x41e000 GetBitmapBits
EAT(Export Address Table) is none
KERNEL32.dll
0x41e008 GetCurrentProcess
0x41e00c SetEnvironmentVariableW
0x41e010 GetEnvironmentStringsW
0x41e014 SetEvent
0x41e018 SleepEx
0x41e01c GetTickCount
0x41e020 ReadConsoleW
0x41e024 FindActCtxSectionStringA
0x41e028 GlobalAlloc
0x41e02c InitAtomTable
0x41e030 FindNextVolumeW
0x41e034 GetTapePosition
0x41e038 GetMailslotInfo
0x41e03c CreateActCtxA
0x41e040 SetConsoleTitleA
0x41e044 Module32First
0x41e048 GetCPInfoExW
0x41e04c GetLastError
0x41e050 GetProcAddress
0x41e054 VirtualAlloc
0x41e058 GetAtomNameA
0x41e05c LoadLibraryA
0x41e060 WriteConsoleA
0x41e064 BeginUpdateResourceA
0x41e068 GetProcessShutdownParameters
0x41e06c LoadLibraryExA
0x41e070 GetProcessAffinityMask
0x41e074 ReleaseMutex
0x41e078 EndUpdateResourceA
0x41e07c GetVersionExA
0x41e080 FindNextVolumeA
0x41e084 lstrcpyW
0x41e088 LCMapStringW
0x41e08c GetModuleFileNameW
0x41e090 HeapReAlloc
0x41e094 EncodePointer
0x41e098 DecodePointer
0x41e09c GetModuleHandleW
0x41e0a0 ExitProcess
0x41e0a4 GetCommandLineW
0x41e0a8 HeapSetInformation
0x41e0ac GetStartupInfoW
0x41e0b0 RaiseException
0x41e0b4 UnhandledExceptionFilter
0x41e0b8 SetUnhandledExceptionFilter
0x41e0bc IsDebuggerPresent
0x41e0c0 TerminateProcess
0x41e0c4 HeapAlloc
0x41e0c8 HeapFree
0x41e0cc IsProcessorFeaturePresent
0x41e0d0 TlsAlloc
0x41e0d4 TlsGetValue
0x41e0d8 TlsSetValue
0x41e0dc TlsFree
0x41e0e0 InterlockedIncrement
0x41e0e4 SetLastError
0x41e0e8 GetCurrentThreadId
0x41e0ec InterlockedDecrement
0x41e0f0 ReadFile
0x41e0f4 EnterCriticalSection
0x41e0f8 LeaveCriticalSection
0x41e0fc SetHandleCount
0x41e100 GetStdHandle
0x41e104 InitializeCriticalSectionAndSpinCount
0x41e108 GetFileType
0x41e10c DeleteCriticalSection
0x41e110 SetFilePointer
0x41e114 GetCPInfo
0x41e118 GetACP
0x41e11c GetOEMCP
0x41e120 IsValidCodePage
0x41e124 CloseHandle
0x41e128 LoadLibraryW
0x41e12c WriteFile
0x41e130 FreeEnvironmentStringsW
0x41e134 HeapCreate
0x41e138 QueryPerformanceCounter
0x41e13c GetCurrentProcessId
0x41e140 GetSystemTimeAsFileTime
0x41e144 WideCharToMultiByte
0x41e148 GetConsoleCP
0x41e14c GetConsoleMode
0x41e150 Sleep
0x41e154 MultiByteToWideChar
0x41e158 RtlUnwind
0x41e15c SetStdHandle
0x41e160 FlushFileBuffers
0x41e164 GetStringTypeW
0x41e168 HeapSize
0x41e16c WriteConsoleW
0x41e170 CreateFileW
GDI32.dll
0x41e000 GetBitmapBits
EAT(Export Address Table) is none