csrss[.]exe | Triage

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General

Target

csrss.exe
Size

4.1MB
MD5

002651c25dc7bd71124d7455506aa419
SHA1

876143d83863fb574d64f347e38d9d37785f7b72
SHA256

d417dda25c445b4f32254db15bf04622813f79a7a4ac7a278184d7c14383e021
SHA512

7e9be1faa89d60ac138f16ff8f96df92ae4869299e138ab8a1b2df3d9995f532d9c1823ce45e65411cad904332cc3197ab531b52e244087181025531fa6c09eb
SSDEEP

98304:Mrrif8+FezI3MPwJo6P+dtRt4d/ukvftiFAtqDL7mzpHSIwDX0I:qfIKHR4dJiFiqfwpNwD7

Score

1^/10

Malware Config

Signatures

Files

csrss.exe
.exe windows:5 windows x86 arch:x86

85147ae0d13c260768a08d8ef702cb86

Code Sign

f6:f0:51:ec:ad:7a:27:9b:1b:2f:13:41:48:de:fd:98
Certificate

Issuer

CN=5251371f362b4011042b13043a2d223e0f19152c2014093e313d075d110f3d082e50,POSTALCODE=10828,ST=0b1c1115005f5c4e061704171b001d03091c1310114b0c1a02+ST=0b1c1115494a5c52100110515d52141b57170d14161d12025206141340084056005707170746501e16121203571c1452160c10121450010500175112041a055b0c0b0a070b

Not Before

27/01/2024, 17:23

Not After

26/01/2025, 17:23

Subject

CN=5251371f362b4011042b13043a2d223e0f19152c2014093e313d075d110f3d082e50,POSTALCODE=10828,ST=0b1c1115005f5c4e061704171b001d03091c1310114b0c1a02+ST=0b1c1115494a5c52100110515d52141b57170d14161d12025206141340084056005707170746501e16121203571c1452160c10121450010500175112041a055b0c0b0a070b

38:d0:f3:d3:c5:17:e5:89:5b:2c:7e:01:ef:30:42:a9:d4:47:51:ac:9e:08:c8:e2:6c:27:9c:5d:93:a2:5e:1c
Signer

Actual PE Digest

38:d0:f3:d3:c5:17:e5:89:5b:2c:7e:01:ef:30:42:a9:d4:47:51:ac:9e:08:c8:e2:6c:27:9c:5d:93:a2:5e:1c

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\rularuyozihusi\loza_yeluce-no.pdb

Imports

kernel32

AddConsoleAliasW
SetCommBreak
MoveFileWithProgressA
GetTickCount
GetConsoleTitleA
LoadLibraryW
WriteConsoleW
GetModuleFileNameW
SetComputerNameExW
CreateJobObjectA
GetLogicalDriveStringsA
GetLastError
SetLastError
GetProcAddress
AttachConsole
QueryDosDeviceA
SetVolumeLabelW
LoadLibraryA
LocalAlloc
MoveFileA
FindFirstVolumeMountPointW
RemoveDirectoryW
FindNextChangeNotification
GlobalFindAtomW
GetModuleHandleA
GetFileAttributesExW
FatalAppExitA
GetCurrentProcessId
DebugBreak
DeleteFileA
VirtualAlloc
InterlockedDecrement
MultiByteToWideChar
GetStartupInfoW
GetCPInfo
InterlockedIncrement
GetACP
GetOEMCP
IsValidCodePage
GetModuleHandleW
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
GetCurrentThreadId
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
Sleep
HeapSize
ExitProcess
HeapFree
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
HeapCreate
VirtualFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
LCMapStringA
WideCharToMultiByte
LCMapStringW
GetStringTypeA
GetStringTypeW
LeaveCriticalSection
EnterCriticalSection
GetLocaleInfoA
HeapAlloc
HeapReAlloc
InitializeCriticalSectionAndSpinCount
RtlUnwind
RaiseException

advapi32

DeleteAce

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 18KB - Virtual size: 38.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

85147ae0d13c260768a08d8ef702cb86

Code Sign

f6:f0:51:ec:ad:7a:27:9b:1b:2f:13:41:48:de:fd:98Certificate

38:d0:f3:d3:c5:17:e5:89:5b:2c:7e:01:ef:30:42:a9:d4:47:51:ac:9e:08:c8:e2:6c:27:9c:5d:93:a2:5e:1cSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

Sections

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

.rdata Size: 10KB - Virtual size: 10KB

.data Size: 18KB - Virtual size: 38.9MB

.rsrc Size: 58KB - Virtual size: 57KB

f6:f0:51:ec:ad:7a:27:9b:1b:2f:13:41:48:de:fd:98
Certificate

38:d0:f3:d3:c5:17:e5:89:5b:2c:7e:01:ef:30:42:a9:d4:47:51:ac:9e:08:c8:e2:6c:27:9c:5d:93:a2:5e:1c
Signer

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

.rdata
Size: 10KB - Virtual size: 10KB

.data
Size: 18KB - Virtual size: 38.9MB

.rsrc
Size: 58KB - Virtual size: 57KB