accesschk[.]exe

Sharing

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General

Target

accesschk.exe
Size

1.4MB
MD5

ace8996953cd6892793f2832d6eeceb0
SHA1

6ed68cc4acf8062b33da67d0246d04d5c454cbaa
SHA256

69bd46e5dba2767a63408731b0c7842b9ac37aeb67586682efce4cc51057d793
SHA512

c6dd5b94609eac6e7220e14c368a00578407af771fbdb38b6b00205276ad5b647c008c55383ba3656e2eb043a035336dfb28289a80820e2fa85766958f08188a
SSDEEP

24576:3mn67EiHR38ZCRxVufXW6qGLl+GO+0WK+H5fti2ud:W6V58ZCRyfX4aOHWl5fMd

Score

1^/10

Malware Config

Signatures

Files

accesschk.exe
.exe windows:6 windows x86 arch:x86

446c77f0abec6881b2f6970d6e45e222

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:32

Not After

01/09/2022, 18:32

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d3:7c:11:62:ad:c0:a7:19:61:24:4d:24:b7:14:26:d2:0e:17:52:0e:62:f2:95:be:2c:f4:e9:ff:f1:e6:be:9a
Signer

Actual PE Digest

d3:7c:11:62:ad:c0:a7:19:61:24:4d:24:b7:14:26:d2:0e:17:52:0e:62:f2:95:be:2c:f4:e9:ff:f1:e6:be:9a

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\agent\1\s\exe\Win32\Release\accesschk.pdb

Imports

netapi32

NetShareEnum
NetShareGetInfo
NetApiBufferFree
NetUserGetLocalGroups

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

kernel32

SetFilePointerEx
ReadFile
HeapReAlloc
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
GetEnvironmentStringsW
Thread32Next
Thread32First
OpenThread
GetFileAttributesW
FindNextFileW
FindFirstFileW
FindClose
GetProcessHeap
HeapAlloc
FindResourceW
SizeofResource
LockResource
LoadResource
CreateFileW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
VerifyVersionInfoW
FormatMessageW
LoadLibraryW
OpenProcess
GetCurrentThread
GetCurrentProcess
GetLastError
DecodePointer
CloseHandle
GetFullPathNameW
GetCurrentDirectoryW
ExpandEnvironmentStringsW
VerSetConditionMask
GetModuleFileNameW
LocalFree
LocalAlloc
GetProcAddress
GetModuleHandleW
GetFileType
GetCommandLineW
GetStdHandle
LoadLibraryExW
GetVersionExW
SetLastError
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetConsoleCtrlHandler
OutputDebugStringW
GetStringTypeW
HeapSize
WriteConsoleW
SetEndOfFile
GetFileSizeEx
GetConsoleOutputCP
FlushFileBuffers
ReadConsoleW
PeekConsoleInputA
ReadConsoleInputW
GetNumberOfConsoleInputEvents
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RaiseException
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
ExitProcess
GetModuleHandleExW
GetConsoleCP
SetStdHandle
WriteFile
GetCommandLineA
HeapFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
WideCharToMultiByte
GetConsoleMode
SetConsoleMode

user32

SendMessageW
LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
EndDialog
DialogBoxIndirectParamW

gdi32

GetDeviceCaps
SetMapMode
StartDocW
EndDoc
StartPage
EndPage

comdlg32

PrintDlgW

advapi32

LookupPrivilegeValueW
QueryServiceObjectSecurity
OpenServiceW
OpenSCManagerW
EnumServicesStatusW
CloseServiceHandle
GetSecurityInfo
DeleteAce
RegGetKeySecurity
RegEnumKeyW
GetNamedSecurityInfoW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegDeleteKeyW
GetKernelObjectSecurity
LsaNtStatusToWinError
LsaEnumerateAccountRights
LsaEnumerateAccountsWithUserRight
LsaOpenPolicy
LsaClose
LsaFreeMemory
LookupPrivilegeDisplayNameW
LookupPrivilegeNameW
ConvertSecurityDescriptorToStringSecurityDescriptorW
GetEffectiveRightsFromAclW
SetEntriesInAclW
LookupAccountNameW
LookupAccountSidW
SetSecurityDescriptorOwner
SetSecurityDescriptorDacl
RevertToSelf
IsWellKnownSid
IsValidSid
InitializeSecurityDescriptor
ImpersonateLoggedOnUser
GetTokenInformation
GetSidSubAuthorityCount
GetSidSubAuthority
GetSidIdentifierAuthority
GetSecurityDescriptorSacl
GetSecurityDescriptorOwner
GetSecurityDescriptorDacl
GetSecurityDescriptorControl
GetLengthSid
GetAce
EqualSid
DuplicateTokenEx
CopySid
AllocateAndInitializeSid
AdjustTokenPrivileges
OpenThreadToken
OpenProcessToken
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

wevtapi

EvtOpenChannelEnum
EvtNextChannelPath
EvtOpenChannelConfig
EvtGetChannelConfigProperty
EvtClose

Sections

.text
Size: 373KB - Virtual size: 373KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 87KB - Virtual size: 87KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 138KB - Virtual size: 143KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 809KB - Virtual size: 809KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

446c77f0abec6881b2f6970d6e45e222

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

d3:7c:11:62:ad:c0:a7:19:61:24:4d:24:b7:14:26:d2:0e:17:52:0e:62:f2:95:be:2c:f4:e9:ff:f1:e6:be:9aSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

netapi32

version

kernel32

user32

gdi32

comdlg32

advapi32

wevtapi

Sections

.text Size: 373KB - Virtual size: 373KB

.rdata Size: 87KB - Virtual size: 87KB

.data Size: 138KB - Virtual size: 143KB

.rsrc Size: 809KB - Virtual size: 809KB

.reloc Size: 14KB - Virtual size: 13KB

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

d3:7c:11:62:ad:c0:a7:19:61:24:4d:24:b7:14:26:d2:0e:17:52:0e:62:f2:95:be:2c:f4:e9:ff:f1:e6:be:9a
Signer

.text
Size: 373KB - Virtual size: 373KB

.rdata
Size: 87KB - Virtual size: 87KB

.data
Size: 138KB - Virtual size: 143KB

.rsrc
Size: 809KB - Virtual size: 809KB

.reloc
Size: 14KB - Virtual size: 13KB