lsm[.]exe | Triage

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General

Target

lsm.exe
Size

336KB
MD5

2cdc7d1c5d1da7a98a7a69346bd67f18
SHA1

6cca5218d409f42791b59b8c9804aca692026efd
SHA256

d8e0e326d720dc5155b32f5fee5239e6e92e75caae307064c8eca52a88369d7d
SHA512

7bc29573af9679e9fcb632a2460d1ecd871544ac4f245b61bd45781c23f3fabae10c500d0e90e640f1939d27f9bf2c26fcd5d452450de944aa002667badbee51
SSDEEP

6144:gbidGP5ApjRNT+yIhxJDknCfzqlNMFv21biqvljQX53F6r4uEu3mXVwDZnBp:2idnM5hxJyzsozlCxVQZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lsm.exe

Files

lsm.exe
.exe windows:6 windows x64 arch:x64

fefbaf5a653cbb76a53c34c38ecf111e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

lsm.pdb

Imports

msvcrt

_vsnwprintf
memmove
__getmainargs
__C_specific_handler
_XcptFilter
_exit
_cexit
_wcsicmp
_amsg_exit
??3@YAXPEAX@Z
__setusermatherr
_commode
_fmode
__set_app_type
_unlock
__dllonexit
_resetstkoflw
??2@YAPEAX_K@Z
_initterm
_purecall
_lock
_onexit
?terminate@@YAXXZ
memcpy
memset
qsort
wcsrchr
_vsnprintf
exit
memcmp

ntdll

RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
RtlAdjustPrivilege
NtQueryInformationToken
RtlLeaveCriticalSection
RtlEnterCriticalSection
NtQueryLicenseValue
RtlNtStatusToDosError
DbgPrint
NtReplyPort
NtCompleteConnectPort
RtlFreeSid
RtlSetDaclSecurityDescriptor
RtlAddAccessAllowedAce
RtlCreateAcl
RtlCreateSecurityDescriptor
RtlLengthSid
RtlAllocateAndInitializeSid
NtAcceptConnectPort
NtOpenProcess
NtCreateSection
NtCreatePort
RtlConnectToSm
RtlSendMsgToSm
NtDuplicateToken
NtQuerySecurityObject
NtOpenKey
NtQuerySystemInformation
RtlEqualSid
NtOpenSymbolicLinkObject
NtQueryDirectoryObject
NtCreateDirectoryObject
NtSetSecurityObject
NtQueryValueKey
RtlAcquireResourceExclusive
RtlReleaseResource
RtlAcquireResourceShared
NtQueryInformationProcess
NtDuplicateObject
RtlGetAce
RtlDeleteAce
RtlCreateUserSecurityObject
RtlSetGroupSecurityDescriptor
RtlGetGroupSecurityDescriptor
RtlMapGenericMask
RtlQueryInformationAcl
RtlGetDaclSecurityDescriptor
RtlGetOwnerSecurityDescriptor
RtlCopySecurityDescriptor
NtTerminateProcess
NtWaitForSingleObject
RtlPrefixUnicodeString
NtReplyWaitReceivePort
RtlNumberGenericTableElements
NtFreeVirtualMemory
NtAllocateVirtualMemory
NtSetSystemInformation
NtClose
NtCreateEvent
NtQuerySystemTime
RtlInsertElementGenericTable
RtlLookupElementGenericTable
RtlInitializeGenericTable
RtlEnumerateGenericTable
RtlDeleteElementGenericTable
NtOpenEvent
NtNotifyChangeSession
NtOpenSession
RtlInitUnicodeString
NtDelayExecution
RtlUnhandledExceptionFilter
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW
EtwGetTraceEnableFlags
EtwGetTraceEnableLevel
EtwGetTraceLoggerHandle
EtwTraceMessage
RtlInitializeResource
RtlDeleteResource
EtwEventWrite
EtwEventRegister
EtwEventUnregister

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

api-ms-win-core-handle-l1-1-0

DuplicateHandle
CloseHandle

api-ms-win-core-heap-l1-1-0

HeapSetInformation

api-ms-win-core-libraryloader-l1-1-0

LoadStringW
GetModuleHandleW
FreeLibrary
GetProcAddress
LoadLibraryExA

api-ms-win-core-localregistry-l1-1-0

RegOpenKeyExW
RegQueryValueExW
RegCloseKey
RegNotifyChangeKeyValue
RegSetValueExW

api-ms-win-core-misc-l1-1-0

LocalAlloc
Sleep
LocalFree

api-ms-win-core-processenvironment-l1-1-0

ExpandEnvironmentStringsW

api-ms-win-core-processthreads-l1-1-0

SetThreadToken
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
OpenThreadToken
ProcessIdToSessionId
GetProcessId
GetCurrentThread
OpenProcessToken

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-synch-l1-1-0

OpenProcess
WaitForMultipleObjectsEx
ResetEvent
InitializeCriticalSection
CreateEventW
WaitForSingleObject
SetEvent
OpenEventW
DeleteCriticalSection

api-ms-win-core-sysinfo-l1-1-0

GetTickCount64
GetTickCount
GetSystemTimeAsFileTime

api-ms-win-core-threadpool-l1-1-0

UnregisterWaitEx

api-ms-win-security-base-l1-1-0

MakeSelfRelativeSD
GetSecurityDescriptorDacl
CreateWellKnownSid
ImpersonateLoggedOnUser
AddAce
AccessCheckAndAuditAlarmW
IsValidSecurityDescriptor
InitializeAcl
CopySid
MakeAbsoluteSD
GetAclInformation
GetAce
DuplicateToken
RevertToSelf
AdjustTokenPrivileges
GetTokenInformation
InitializeSecurityDescriptor
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
SetSecurityDescriptorDacl
EqualSid
GetLengthSid
IsValidSid
GetSecurityDescriptorLength
DuplicateTokenEx
CheckTokenMembership

api-ms-win-service-winsvc-l1-1-0

I_ScSendTSMessage
QueryServiceStatus

api-ms-win-service-management-l1-1-0

OpenSCManagerW
CloseServiceHandle
OpenServiceW

api-ms-win-service-management-l2-1-0

NotifyServiceStatusChangeW
QueryServiceConfigW

rpcrt4

NdrServerCall2
NdrServerCallAll
NdrAsyncServerCall
Ndr64AsyncServerCallAll
I_RpcMapWin32Status
UuidToStringW
UuidCreate
RpcServerTestCancel
I_RpcBindingIsClientLocal
RpcServerRegisterAuthInfoW
RpcServerInqDefaultPrincNameW
RpcServerSubscribeForNotification
RpcServerUnsubscribeForNotification
RpcAsyncCompleteCall
I_RpcBindingInqLocalClientPID
RpcRevertToSelf
RpcImpersonateClient
RpcServerInqCallAttributesW
RpcStringFreeW
RpcStringBindingParseW
RpcBindingToStringBindingW
RpcServerListen
RpcServerRegisterIfEx
RpcMgmtWaitServerListen
RpcServerUseProtseqEpW

sysntfy

SysNotifyStartServer

wmsgapi

WmsgSendMessage

kernel32

IsDebuggerPresent
LocalSize
DebugBreak
OutputDebugStringA
HeapAlloc
HeapFree
GetProcessHeap
GetSystemDirectoryW
RtlRaiseException
RegCreateKeyExW
RegOpenCurrentUser
RegEnumKeyExW
SetLastError
GetVersionExW
SleepEx
CreateProcessW
DelayLoadFailureHook
LoadLibraryW
RegisterWaitForSingleObject
WaitForMultipleObjects
GetComputerNameW
QueueUserWorkItem
RtlCaptureStackBackTrace
VerifyVersionInfoW
VerSetConditionMask

Sections

.text
Size: 202KB - Virtual size: 202KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fefbaf5a653cbb76a53c34c38ecf111e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-libraryloader-l1-1-0

api-ms-win-core-localregistry-l1-1-0

api-ms-win-core-misc-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-threadpool-l1-1-0

api-ms-win-security-base-l1-1-0

api-ms-win-service-winsvc-l1-1-0

api-ms-win-service-management-l1-1-0

api-ms-win-service-management-l2-1-0

rpcrt4

sysntfy

wmsgapi

kernel32

Sections

.text Size: 202KB - Virtual size: 202KB

.rdata Size: 95KB - Virtual size: 95KB

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

.pdata Size: 13KB - Virtual size: 13KB

.rsrc Size: 6KB - Virtual size: 6KB

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 202KB - Virtual size: 202KB

.rdata
Size: 95KB - Virtual size: 95KB

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

.pdata
Size: 13KB - Virtual size: 13KB

.rsrc
Size: 6KB - Virtual size: 6KB

.reloc
Size: 3KB - Virtual size: 3KB