csrss[.]bin[.]exe

Sharing

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General

Target

csrss.bin.exe
Size

4.2MB
MD5

b2bb40e3a05ab89ab8fcc9b29bca5479
SHA1

20ff6164cebd19f037c9299d1f53f3a85f862387
SHA256

093d7a53e333c1c703c43b36e99554a958b34fc160f818357fcdd31a376eece4
SHA512

24c022e76197f87ffa5a7f5c45e2c35f6e8eaa253d4accbc6a8356d8b769ee304aef583b90aac3ee269f27f775a1017f3f57b39a483cb56abf496277fefdaa7a
SSDEEP

98304:R9w9tgfoamz4e+q4u1fP4Kc7ECViy9QRTKHkkmKZtbCRw9EC/B:gshSyLxUT0kkLtbCRw9ES

Score

1^/10

Malware Config

Signatures

Files

csrss.bin.exe
.exe windows x86

41b4eb7c12331a5ff00a984ecb434d03

Code Sign

f4:fd:bc:bb:a7:f6:c5:69:4d:46:41:13:d6:85:09:59
Certificate

Issuer

CN=522036264b3c07530c0910253d36220330152b1b14292e1a512d092b0b3746071333,POSTALCODE=10700,ST=0b1c1115005f5c4e0f020a1000040b144b1e0e06000a14+ST=0b1c1115494a5c031c0b02081a1750475310151f070b57051217441d47031d1512195d501615110b570d0a17550b1209150a45131d1315075a001044160a055b0c0b0a070b

Not Before

19/07/2023, 01:34

Not After

18/07/2024, 01:34

Subject

CN=522036264b3c07530c0910253d36220330152b1b14292e1a512d092b0b3746071333,POSTALCODE=10700,ST=0b1c1115005f5c4e0f020a1000040b144b1e0e06000a14+ST=0b1c1115494a5c031c0b02081a1750475310151f070b57051217441d47031d1512195d501615110b570d0a17550b1209150a45131d1315075a001044160a055b0c0b0a070b

b0:e0:e3:37:59:75:df:63:4f:57:e9:d9:d8:33:e4:3d:a3:8e:1a:7d:cb:8e:7c:25:86:e1:72:fb:17:dd:02:e2
Signer

Actual PE Digest

b0:e0:e3:37:59:75:df:63:4f:57:e9:d9:d8:33:e4:3d:a3:8e:1a:7d:cb:8e:7c:25:86:e1:72:fb:17:dd:02:e2

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetDateFormatW
FindResourceA
EnumDateFormatsExW
FindResourceW
EnumCalendarInfoW
_lwrite
ScrollConsoleScreenBufferW
AddConsoleAliasW
GetComputerNameW
GetTickCount
GetConsoleAliasesLengthA
GlobalAlloc
SetFileShortNameW
LoadLibraryW
FreeConsole
EnumSystemCodePagesA
FindNextVolumeW
ReadFile
GetCompressedFileSizeA
GetVolumePathNameA
lstrlenW
SetThreadPriority
DisconnectNamedPipe
GetConsoleAliasesW
InterlockedExchange
GetProfileIntA
OpenMutexW
SetLastError
GetProcAddress
VirtualAlloc
LoadLibraryA
SetCurrentDirectoryW
GetOEMCP
lstrcmpiW
GetModuleHandleA
SetLocaleInfoW
CreateMutexA
FatalAppExitA
SetProcessShutdownParameters
_lopen
OpenSemaphoreW
ReadConsoleInputW
GetWindowsDirectoryW
DeleteFileW
GlobalAddAtomW
LocalFileTimeToFileTime
CreateFileA
CloseHandle
WriteConsoleW
InterlockedIncrement
InterlockedDecrement
Sleep
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError
HeapFree
MultiByteToWideChar
GetStartupInfoW
RtlUnwind
RaiseException
GetModuleHandleW
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
HeapAlloc
HeapCreate
VirtualFree
HeapReAlloc
SetHandleCount
GetFileType
GetStartupInfoA
TerminateProcess
GetCurrentProcess
IsDebuggerPresent
GetCPInfo
GetACP
IsValidCodePage
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
GetCurrentThreadId
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
HeapSize
GetLocaleInfoA
GetStringTypeA
GetStringTypeW
InitializeCriticalSectionAndSpinCount
SetFilePointer
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
LCMapStringA
LCMapStringW
FlushFileBuffers
SetStdHandle
WriteConsoleA
GetConsoleOutputCP

user32

DdeQueryStringW
CharUpperBuffA
LoadMenuW
CharLowerBuffW

Sections

.text
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 134KB - Virtual size: 3.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

41b4eb7c12331a5ff00a984ecb434d03

Code Sign

f4:fd:bc:bb:a7:f6:c5:69:4d:46:41:13:d6:85:09:59Certificate

b0:e0:e3:37:59:75:df:63:4f:57:e9:d9:d8:33:e4:3d:a3:8e:1a:7d:cb:8e:7c:25:86:e1:72:fb:17:dd:02:e2Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 4.0MB - Virtual size: 4.0MB

.data Size: 6KB - Virtual size: 1.3MB

.rsrc Size: 134KB - Virtual size: 3.8MB

.reloc Size: 20KB - Virtual size: 19KB

f4:fd:bc:bb:a7:f6:c5:69:4d:46:41:13:d6:85:09:59
Certificate

b0:e0:e3:37:59:75:df:63:4f:57:e9:d9:d8:33:e4:3d:a3:8e:1a:7d:cb:8e:7c:25:86:e1:72:fb:17:dd:02:e2
Signer

.text
Size: 4.0MB - Virtual size: 4.0MB

.data
Size: 6KB - Virtual size: 1.3MB

.rsrc
Size: 134KB - Virtual size: 3.8MB

.reloc
Size: 20KB - Virtual size: 19KB