logonsessions64[.]exe

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General

Target

logonsessions64.exe
Size

549KB
MD5

2d7312129a03f5b58925898449787f73
SHA1

3187773d63c826900b8bd401accdae5971d2c99d
SHA256

7b646dbccb20d5eb8c977735d3d69ea449395f8d79fdbe28bf8988b46e0ede80
SHA512

3c26e3156c9a5d8e07d03d77d0696c81ef23ac0638542565235e2f30cb1af62f49f7956dc9afe928d8bfaa1a228eea8f8031cac6436e684a100cf8c38da888d3
SSDEEP

12288:pJFO09c0Z6YbgMj8f63ToH2Q+tp3rPd3X:pxF6YbgMj8f63ToH2Q+tRlX

Score

1^/10

Malware Config

Signatures

Files

logonsessions64.exe
.exe windows x64

2a855eaa735c0961587b1b38550d2f4c

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

fa:86:a9:f5:ef:10:2a:e4:2f:a7:30:3f:7a:8a:d3:d8:48:45:4c:a6:d2:d3:2c:56:42:4b:20:4e:a1:5f:5f:1c
Signer

Actual PE Digest

fa:86:a9:f5:ef:10:2a:e4:2f:a7:30:3f:7a:8a:d3:d8:48:45:4c:a6:d2:d3:2c:56:42:4b:20:4e:a1:5f:5f:1c

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

secur32

LsaGetLogonSessionData
LsaEnumerateLogonSessions
LsaFreeReturnBuffer

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

kernel32

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

user32

DialogBoxIndirectParamW
SendMessageW
SetWindowTextW
LoadCursorW
InflateRect
GetSysColorBrush
GetDlgItem
EndDialog
SetCursor

gdi32

StartPage
EndDoc
StartDocW
SetMapMode
GetDeviceCaps
EndPage

comdlg32

PrintDlgW

advapi32

RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
ConvertSidToStringSidW
GetTokenInformation
RegSetValueExW
RegDeleteKeyW
RegCreateKeyW
RegCloseKey
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken

oleaut32

VariantChangeType
VariantClear
VariantInit
SystemTimeToVariantTime
SysAllocStringByteLen
SysStringLen
SysFreeString
SysAllocString
CreateErrorInfo
SetErrorInfo
GetErrorInfo

Sections

.text
Size: 320KB - Virtual size: 320KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2a855eaa735c0961587b1b38550d2f4c

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

fa:86:a9:f5:ef:10:2a:e4:2f:a7:30:3f:7a:8a:d3:d8:48:45:4c:a6:d2:d3:2c:56:42:4b:20:4e:a1:5f:5f:1cSigner

Headers

DLL Characteristics

File Characteristics

Imports

secur32

version

kernel32

user32

gdi32

comdlg32

advapi32

oleaut32

Sections

.text Size: 320KB - Virtual size: 320KB

.rdata Size: 101KB - Virtual size: 101KB

.data Size: 3KB - Virtual size: 10KB

.pdata Size: 19KB - Virtual size: 19KB

.rsrc Size: 92KB - Virtual size: 92KB

.reloc Size: 2KB - Virtual size: 2KB

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

fa:86:a9:f5:ef:10:2a:e4:2f:a7:30:3f:7a:8a:d3:d8:48:45:4c:a6:d2:d3:2c:56:42:4b:20:4e:a1:5f:5f:1c
Signer

.text
Size: 320KB - Virtual size: 320KB

.rdata
Size: 101KB - Virtual size: 101KB

.data
Size: 3KB - Virtual size: 10KB

.pdata
Size: 19KB - Virtual size: 19KB

.rsrc
Size: 92KB - Virtual size: 92KB

.reloc
Size: 2KB - Virtual size: 2KB