LskHelper[.]exe

Sharing

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General

Target

LskHelper.exe
Size

247KB
MD5

50135ccc19cace3a2f3f92e116c403e4
SHA1

f0e180df1afd8360d922a4a8623b294bc4a86868
SHA256

f56ea3b063e7d21a79c44029029b137c4a89a9eea4e7ffff110fd7782de44d60
SHA512

ec443fbb4a12f5f2161a521ff73e6e02e8a5e502bc30bf8c6fc2eb34e3333231b532a14112e5385b816c878d2e8a8190dd4a464a5c47ee4324d41d480a6e0df5
SSDEEP

6144:tzY8aaAz+SSteTodcIzUvUnyJmTpPS90V:t08adAteTw9U7JmlPS2V

Score

1^/10

Malware Config

Signatures

Files

LskHelper.exe
.exe windows:5 windows x86

ca13c9cba678d3f37373737994187d76

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

3d:da:c4:89:f6:3f:3d:ea:e9:9b:46:8d:74:b8:45:fa
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

06/04/2022, 00:00

Not After

05/04/2024, 23:59

Subject

CN=Stoneware\, Inc.,O=Stoneware\, Inc.,ST=Indiana,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

09/06/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c0:c0:de:7f:e4:72:f0:7e:2d:97:75:4b:12:1a:0c:d3:6a:36:f7:43:e7:b9:26:fd:03:40:9b:99:3b:7a:a6:f9
Signer

Actual PE Digest

c0:c0:de:7f:e4:72:f0:7e:2d:97:75:4b:12:1a:0c:d3:6a:36:f7:43:e7:b9:26:fd:03:40:9b:99:3b:7a:a6:f9

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

wsock32

inet_addr
recvfrom
htonl
WSACleanup
WSAStartup
sendto
ioctlsocket
htons
inet_ntoa
closesocket
bind
WSAGetLastError
socket

version

VerQueryValueA
GetFileVersionInfoA
GetFileVersionInfoSizeA

kernel32

GetCurrentThreadId
GetTickCount
GetVersionExA
OpenProcess
CloseHandle
GetCurrentProcess
GetModuleFileNameA
SetThreadPriority
GetCurrentThread
CreateProcessA
GetLastError
GetExitCodeProcess
TerminateProcess
CreateEventA
CreateThread
WaitForMultipleObjects
SetEvent
SearchPathA
WaitForSingleObject
LoadLibraryA
GetProcAddress
FreeLibrary
GetPrivateProfileStringA
WritePrivateProfileStringA
GetLocalTime
GetModuleHandleA
GetEnvironmentVariableA
GetComputerNameA
GetFileAttributesA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
HeapSize
RaiseException
IsProcessorFeaturePresent
HeapCreate
GetModuleFileNameW
ExitProcess
MultiByteToWideChar
LCMapStringW
SetLastError
GetModuleHandleW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
Sleep
lstrcatA
GetCurrentProcessId
SetFilePointer
WriteConsoleW
SetStdHandle
LoadLibraryW
SetEnvironmentVariableA
HeapReAlloc
GetTimeZoneInformation
CreateFileW
CompareStringW
IsValidCodePage
GetOEMCP
GetACP
InterlockedDecrement
InterlockedIncrement
GetCPInfo
HeapAlloc
HeapFree
ExitThread
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
WriteFile
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
FlushFileBuffers
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
RtlUnwind
SetHandleCount
GetStdHandle
GetFileType

user32

PostQuitMessage
KillTimer
SetTimer
PostMessageA
DispatchMessageA
DefWindowProcA
GetMessageA
UpdateWindow
CreateWindowExA
RegisterClassExA
LoadCursorA
LoadIconA
GetWindowThreadProcessId
FindWindowA
wvsprintfA
wsprintfA
LoadStringA
TranslateMessage

advapi32

RegOpenKeyExA
CloseServiceHandle
QueryServiceStatus
OpenServiceA
OpenSCManagerA
QueryServiceConfigA
RegSetValueExA
RegCreateKeyExA
RegCloseKey
RegQueryValueExA
StartServiceCtrlDispatcherA
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
RegisterServiceCtrlHandlerA
SetServiceStatus
LookupAccountSidA
RevertToSelf
ImpersonateLoggedOnUser
DuplicateTokenEx
AdjustTokenPrivileges
LookupPrivilegeValueA
GetTokenInformation
OpenProcessToken

shell32

ShellExecuteExA

Sections

.text
Size: 72KB - Virtual size: 71KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 133KB - Virtual size: 132KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ca13c9cba678d3f37373737994187d76

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

3d:da:c4:89:f6:3f:3d:ea:e9:9b:46:8d:74:b8:45:faCertificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0Certificate

Extended Key Usages

Key Usages

c0:c0:de:7f:e4:72:f0:7e:2d:97:75:4b:12:1a:0c:d3:6a:36:f7:43:e7:b9:26:fd:03:40:9b:99:3b:7a:a6:f9Signer

Headers

DLL Characteristics

File Characteristics

Imports

wsock32

version

kernel32

user32

advapi32

shell32

Sections

.text Size: 72KB - Virtual size: 71KB

.rdata Size: 17KB - Virtual size: 16KB

.data Size: 4KB - Virtual size: 18KB

.rsrc Size: 133KB - Virtual size: 132KB

.reloc Size: 8KB - Virtual size: 8KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

3d:da:c4:89:f6:3f:3d:ea:e9:9b:46:8d:74:b8:45:fa
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0
Certificate

c0:c0:de:7f:e4:72:f0:7e:2d:97:75:4b:12:1a:0c:d3:6a:36:f7:43:e7:b9:26:fd:03:40:9b:99:3b:7a:a6:f9
Signer

.text
Size: 72KB - Virtual size: 71KB

.rdata
Size: 17KB - Virtual size: 16KB

.data
Size: 4KB - Virtual size: 18KB

.rsrc
Size: 133KB - Virtual size: 132KB

.reloc
Size: 8KB - Virtual size: 8KB