logonsessions[.]exe

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General

Target

logonsessions.exe
Size

219KB
MD5

7a276034be0f4189e2f6cea85054f492
SHA1

b1c86476aacfc588edda691b6417d5267dd45776
SHA256

024291596ce8f9a7c4ecf6025800e5f208d90acb93638b076511df515bbe9bc3
SHA512

145cdae944cbc563de8a3a5c2a954bfbbab24b7ae097f56d515bf5c3c1b3a54ae250509ca95004fa04ac98f7e12a95792b78c9fe8bbbab75735c3d995468669d
SSDEEP

3072:35lKeu7Ex5euZUF7GHfxa6BfYu3EYcpKhD6LF4ROCttEKLfs:354wA7JkX3EjpKmMLfs

Score

1^/10

Malware Config

Signatures

Files

logonsessions.exe
.exe windows:5 windows x86 arch:x86

14877aac65e60d14428ac27347c23346

Code Sign

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:ac
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

03/05/2016, 17:13

Not After

03/08/2017, 17:13

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:C0F4-3086-DEF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

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

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

Issuer

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

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,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

72:81:a4:31:50:4a:02:0e:1e:bd:19:d3:d6:97:17:82:46:2c:63:62:26:eb:0f:21:c8:30:60:89:bb:c6:35:e0
Signer

Actual PE Digest

72:81:a4:31:50:4a:02:0e:1e:bd:19:d3:d6:97:17:82:46:2c:63:62:26:eb:0f:21:c8:30:60:89:bb:c6:35:e0

Digest Algorithm

sha256

PE Digest Matches

true

b9:d8:1c:47:b4:a4:0b:93:be:f3:1f:21:cc:11:11:dd:e7:fb:16:4e
Signer

Actual PE Digest

b9:d8:1c:47:b4:a4:0b:93:be:f3:1f:21:cc:11:11:dd:e7:fb:16:4e

Digest Algorithm

sha1

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

secur32

LsaFreeReturnBuffer
LsaGetLogonSessionData
LsaEnumerateLogonSessions

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

kernel32

DeviceIoControl
FileTimeToLocalFileTime
FileTimeToSystemTime
LoadLibraryW
GetSystemDirectoryW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetFileType
GetModuleFileNameW
LocalAlloc
LocalFree
OpenProcess
GetCommandLineW
LCMapStringW
GetStringTypeW
WriteConsoleW
InterlockedDecrement
InterlockedIncrement
CreateFileW
FindResourceW
GetModuleHandleW
SizeofResource
CloseHandle
SetLastError
LoadResource
GetLastError
GetCurrentProcess
GetProcAddress
LockResource
OutputDebugStringW
ReadConsoleW
HeapSize
SetEndOfFile
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetFilePointerEx
GetStdHandle
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
LoadLibraryExW
TlsFree
HeapFree
HeapAlloc
HeapReAlloc
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
SetStdHandle
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetConsoleMode
ReadConsoleInputA
SetConsoleMode
IsDebuggerPresent
IsProcessorFeaturePresent
WriteFile
GetConsoleCP
RaiseException
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThreadId
GetProcessHeap
DeleteCriticalSection
GetStartupInfoW
FlushFileBuffers
ReadFile
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue

user32

SetCursor
SetWindowTextW
GetSysColorBrush
EndDialog
DialogBoxIndirectParamW
SendMessageW
InflateRect
LoadCursorW
GetDlgItem

gdi32

StartPage
EndDoc
StartDocW
SetMapMode
GetDeviceCaps
EndPage

comdlg32

PrintDlgW

advapi32

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

oleaut32

VariantClear
VariantInit
SystemTimeToVariantTime
SysAllocStringByteLen
SysStringLen
SysFreeString
SysAllocString
VariantChangeType

Sections

.text
Size: 78KB - Virtual size: 78KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 62KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

14877aac65e60d14428ac27347c23346

Code Sign

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:acCertificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64Certificate

Extended Key Usages

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

Key Usages

72:81:a4:31:50:4a:02:0e:1e:bd:19:d3:d6:97:17:82:46:2c:63:62:26:eb:0f:21:c8:30:60:89:bb:c6:35:e0Signer

b9:d8:1c:47:b4:a4:0b:93:be:f3:1f:21:cc:11:11:dd:e7:fb:16:4eSigner

Headers

DLL Characteristics

File Characteristics

Imports

secur32

version

kernel32

user32

gdi32

comdlg32

advapi32

oleaut32

Sections

.text Size: 78KB - Virtual size: 78KB

.rdata Size: 52KB - Virtual size: 51KB

.data Size: 5KB - Virtual size: 12KB

.rsrc Size: 62KB - Virtual size: 62KB

.reloc Size: 5KB - Virtual size: 4KB

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:ac
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

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

72:81:a4:31:50:4a:02:0e:1e:bd:19:d3:d6:97:17:82:46:2c:63:62:26:eb:0f:21:c8:30:60:89:bb:c6:35:e0
Signer

b9:d8:1c:47:b4:a4:0b:93:be:f3:1f:21:cc:11:11:dd:e7:fb:16:4e
Signer

.text
Size: 78KB - Virtual size: 78KB

.rdata
Size: 52KB - Virtual size: 51KB

.data
Size: 5KB - Virtual size: 12KB

.rsrc
Size: 62KB - Virtual size: 62KB

.reloc
Size: 5KB - Virtual size: 4KB