accesschk[.]exe

Sharing

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General

Target

accesschk.exe
Size

1.3MB
MD5

41f97b3f844f6ad3977ec0a4bcfe8e5e
SHA1

b8956e0366e1e2f8924099c501eaf823ad74cb5f
SHA256

d43fc0c4eb6dfe22f67c18bd3601db1e74bb539226b281ea48d51aa58c81661c
SHA512

2a79d3ee18803b037c4e183b24f50953cd32f9dbfd55f28629d6ff65e181402edae718f58ade1256625dd7f005b730dd1a5378e2093b67fd56950779b057c024
SSDEEP

24576:esUk7LbmA5P2g4ETIK4BvNlr4mnRSwNqQyp5K:FriA5P2g4fScqrp5K

Score

1^/10

Malware Config

Signatures

Files

accesschk.exe
.exe windows:5 windows x86

3824f7f00619875d33b88e7b4428261c

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

Issuer

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

Not Before

04/03/2020, 18:39

Not After

03/03/2021, 18:39

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

6d:f4:48:de:e8:7e:b7:7c:45:03:28:97:bd:34:e7:3c:09:83:8d:d5:18:99:20:de:d0:f8:cf:e1:42:32:44:c0
Signer

Actual PE Digest

6d:f4:48:de:e8:7e:b7:7c:45:03:28:97:bd:34:e7:3c:09:83:8d:d5:18:99:20:de:d0:f8:cf:e1:42:32:44:c0

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

Imports

netapi32

NetShareEnum
NetShareGetInfo
NetApiBufferFree
NetUserGetLocalGroups

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

kernel32

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

user32

SendMessageW
LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
EndDialog
DialogBoxIndirectParamW

gdi32

StartDocW
EndDoc
StartPage
EndPage
SetMapMode
GetDeviceCaps

comdlg32

PrintDlgW

advapi32

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

wevtapi

EvtOpenChannelEnum
EvtNextChannelPath
EvtOpenChannelConfig
EvtGetChannelConfigProperty
EvtClose

Sections

.text
Size: 342KB - Virtual size: 341KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 84KB - Virtual size: 84KB

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: 758KB - Virtual size: 758KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3824f7f00619875d33b88e7b4428261c

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87Certificate

Extended Key Usages

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

Key Usages

6d:f4:48:de:e8:7e:b7:7c:45:03:28:97:bd:34:e7:3c:09:83:8d:d5:18:99:20:de:d0:f8:cf:e1:42:32:44:c0Signer

Headers

DLL Characteristics

File Characteristics

Imports

netapi32

version

kernel32

user32

gdi32

comdlg32

advapi32

wevtapi

Sections

.text Size: 342KB - Virtual size: 341KB

.rdata Size: 84KB - Virtual size: 84KB

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

.rsrc Size: 758KB - Virtual size: 758KB

.reloc Size: 13KB - Virtual size: 12KB

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

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

6d:f4:48:de:e8:7e:b7:7c:45:03:28:97:bd:34:e7:3c:09:83:8d:d5:18:99:20:de:d0:f8:cf:e1:42:32:44:c0
Signer

.text
Size: 342KB - Virtual size: 341KB

.rdata
Size: 84KB - Virtual size: 84KB

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

.rsrc
Size: 758KB - Virtual size: 758KB

.reloc
Size: 13KB - Virtual size: 12KB