termsrv — kopia[.]dll

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General

Target

termsrv — kopia.dll
Size

1.3MB
MD5

bf01639420d3eca2af9d125a7722c658
SHA1

de0b488b4349a7ec165831ddc9d61335661670b9
SHA256

7be34e3f6fcf153da32c2d1a80354d13494fa888b00bdb069f362abc7fe22696
SHA512

aa6bd5c0441f9163c44bc6e18d520d3bdce91606920119a842308e22c48b2da2e30a7d7f8fe213ca2e999a5e7f8a17cc0acfba857fc234acf381849f543b74fa
SSDEEP

24576:OLqG1b+agPHrM1FfAB5ikkBawT2RboKuYNMsHamH0qNh7+ipJqenAuXQgz0CrTEI:EqG1b+agPHrM1lYikkmRboKuYNMsHamr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
termsrv — kopia.dll

Files

termsrv — kopia.dll
.dll windows:10 windows x64 arch:x64

65ca4290bbe47ff948543c5d10a36c18

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

termsrv.pdb

Imports

msvcrt

_vscwprintf
_stricmp
_vsnprintf
malloc
qsort
wcsrchr
wcsncpy_s
_wcsnicmp
_callnewh
wcstok_s
_CxxThrowException
__CxxFrameHandler3
free
memmove_s
memcpy
??0exception@@QEAA@AEBV0@@Z
memmove
wcschr
??1exception@@UEAA@XZ
iswspace
_vsnprintf_s
memcpy_s
??0exception@@QEAA@AEBQEBD@Z
??0exception@@QEAA@AEBQEBDH@Z
?what@exception@@UEBAPEBDXZ
_XcptFilter
_amsg_exit
_initterm
?terminate@@YAXXZ
_unlock
__dllonexit
_onexit
??1type_info@@UEAA@XZ
_errno
realloc
_vsnwprintf
_wcsicmp
_purecall
__C_specific_handler
??_V@YAXPEAX@Z
swprintf_s
memcmp
_resetstkoflw
wcscpy_s
__CxxFrameHandler4
??3@YAXPEAX@Z
??0exception@@QEAA@XZ
_lock
memset

ntdll

NtOpenProcess
NtOpenProcessToken
RtlDeleteSecurityObject
RtlCopySecurityDescriptor
RtlGetControlSecurityDescriptor
RtlCreateUserSecurityObject
NtQueryInformationProcess
RtlLengthSid
NtDuplicateToken
RtlAcquireResourceExclusive
NtQueryInformationToken
RtlAcquireResourceShared
RtlNtStatusToDosError
DbgPrint
RtlEqualSid
RtlVerifyVersionInfo
RtlCaptureStackBackTrace
NtQuerySystemInformation
NtQueryVirtualMemory
RtlFreeSid
RtlReleaseResource
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
VerSetConditionMask
RtlCompareMemory
RtlInitString
NtCreateFile
RtlInitUnicodeString
RtlAdjustPrivilege
RtlNumberGenericTableElements
RtlGetCurrentServiceSessionId
EtwEventActivityIdControl
NtQuerySystemTime
EtwEventWriteTransfer
RtlEnumerateGenericTable
RtlLookupElementGenericTable
RtlDeleteElementGenericTable
RtlInsertElementGenericTable
RtlInitializeGenericTable
RtlInitializeResource
RtlDeleteResource
EtwEventWriteFull
RtlAllocateAndInitializeSid
EtwEventRegister
EtwEventUnregister
RtlCopySid

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

SetUnhandledExceptionFilter
GetLastError
SetLastError
UnhandledExceptionFilter
RaiseException

api-ms-win-core-libraryloader-l1-2-0

SizeofResource
GetModuleFileNameA
GetModuleFileNameW
LoadStringW
LoadResource
GetModuleHandleExA
GetModuleHandleW
FindResourceExW
DisableThreadLibraryCalls
GetProcAddress
LoadLibraryExW
GetModuleHandleExW
FreeLibrary

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

InitializeSRWLock
CreateSemaphoreExW
InitializeCriticalSectionEx
WaitForSingleObjectEx
SetEvent
CreateMutexExW
OpenEventW
ReleaseMutex
ReleaseSemaphore
ResetEvent
ReleaseSRWLockShared
AcquireSRWLockShared
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeCriticalSectionAndSpinCount
EnterCriticalSection
InitializeCriticalSection
WaitForSingleObject
WaitForMultipleObjectsEx
DeleteCriticalSection
LeaveCriticalSection
OpenSemaphoreW
CreateEventW

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

ExitThread
CreateThread
OpenProcessToken
TerminateProcess
GetExitCodeThread
CreateProcessAsUserW
GetCurrentProcessId
GetCurrentThreadId
TlsFree
ProcessIdToSessionId
GetCurrentProcess
GetCurrentThread
OpenThreadToken
CreateProcessW
TlsGetValue
TlsAlloc
TlsSetValue

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

CloseHandle
DuplicateHandle

api-ms-win-core-heap-l2-1-0

LocalAlloc
LocalFree

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

RegSetValueExW
RegCreateKeyExW
RegGetValueW
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteValueW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey

api-ms-win-core-localization-l1-2-0

FormatMessageW

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

HeapAlloc
GetProcessHeap
HeapFree

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW
OutputDebugStringA

api-ms-win-core-threadpool-l1-2-0

CreateThreadpoolTimer
SetThreadpoolTimer
CreateThreadpoolCleanupGroup
WaitForThreadpoolTimerCallbacks
SetThreadpoolThreadMinimum
SetThreadpoolThreadMaximum
TrySubmitThreadpoolCallback
CreateThreadpool
CloseThreadpool
CloseThreadpoolCleanupGroupMembers
CloseThreadpoolTimer
CloseThreadpoolCleanupGroup

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

EqualSid
CreateWellKnownSid
GetFileSecurityW
GetAce
GetAclInformation
GetSecurityDescriptorDacl
GetTokenInformation
ImpersonateLoggedOnUser
RevertToSelf
InitializeAcl
InitializeSecurityDescriptor
AllocateAndInitializeSid
GetSecurityDescriptorLength
DuplicateTokenEx
AllocateLocallyUniqueId
IsValidSid
MakeSelfRelativeSD
MakeAbsoluteSD
CheckTokenMembership
GetLengthSid
CopySid
DuplicateToken
AccessCheckAndAuditAlarmW
FreeSid
IsValidSecurityDescriptor
GetSecurityDescriptorControl
SetSecurityDescriptorDacl
AddAce

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

ExpandEnvironmentStringsW

api-ms-win-core-string-l2-1-0

CharNextW

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

MultiByteToWideChar

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

GetTickCount
GetSystemTimeAsFileTime
GetVersionExW
GetSystemDirectoryW
GetTickCount64
GetSystemTime

api-ms-win-core-sysinfo-l1-2-0

GetProductInfo

rpcrt4

RpcServerListen
RpcServerUnregisterIfEx
RpcBindingToStringBindingW
RpcStringFreeW
RpcServerInqCallAttributesW
RpcImpersonateClient
RpcRevertToSelf
I_RpcBindingInqLocalClientPID
RpcServerInqDefaultPrincNameW
NdrServerCallAll
RpcServerRegisterIf3
I_RpcBindingIsClientLocal
UuidFromStringW
UuidToStringW
RpcServerUseProtseqEpW
RpcServerRegisterIfEx
NdrServerCall2
RpcServerRegisterAuthInfoW
RpcStringBindingParseW

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

DeviceIoControl

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryW

api-ms-win-core-synch-l1-2-0

Sleep

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

CompareFileTime
CreateDirectoryW
CreateFileW
QueryDosDeviceW

api-ms-win-core-synch-l1-2-1

CreateSemaphoreW
WaitForMultipleObjects

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

QueryPerformanceCounter

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW
lstrcmpW

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

UnregisterWaitEx
CreateTimerQueueTimer
CreateTimerQueue
DeleteTimerQueueTimer
QueueUserWorkItem
DeleteTimerQueueEx

api-ms-win-core-kernel32-legacy-l1-1-0

GetComputerNameW
RegisterWaitForSingleObject
UnregisterWait

api-ms-win-core-kernel32-legacy-l1-1-1

VerifyVersionInfoW

api-ms-win-core-kernel32-private-l1-1-0

CheckElevationEnabled

kernelbase

WTSIsServerContainer

kernel32

OOBEComplete

api-ms-win-eventing-classicprovider-l1-1-0

TraceMessage

api-ms-win-eventing-provider-l1-1-0

EventUnregister
EventSetInformation
EventActivityIdControl
EventRegister
EventWriteTransfer

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

OpenProcess

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

K32EnumProcessModules

api-ms-win-security-base-l1-2-2

DeriveCapabilitySidsFromName

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

SystemTimeToFileTime

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

LocalSize

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

ApiSetQueryApiSetPresence

Exports

Exports

ServiceMain
SvchostPushServiceGlobals

Sections

.text
Size: 860KB - Virtual size: 856KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 340KB - Virtual size: 337KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 36KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

65ca4290bbe47ff948543c5d10a36c18

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

api-ms-win-core-libraryloader-l1-2-0

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

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

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

api-ms-win-core-heap-l2-1-0

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

api-ms-win-core-localization-l1-2-0

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

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

api-ms-win-core-threadpool-l1-2-0

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

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

api-ms-win-core-string-l2-1-0

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

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

api-ms-win-core-sysinfo-l1-2-0

rpcrt4

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

api-ms-win-core-libraryloader-l1-2-1

api-ms-win-core-synch-l1-2-0

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

api-ms-win-core-synch-l1-2-1

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

api-ms-win-core-string-obsolete-l1-1-0

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

api-ms-win-core-kernel32-legacy-l1-1-0

api-ms-win-core-kernel32-legacy-l1-1-1

api-ms-win-core-kernel32-private-l1-1-0

kernelbase

kernel32

api-ms-win-eventing-classicprovider-l1-1-0

api-ms-win-eventing-provider-l1-1-0

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

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

api-ms-win-security-base-l1-2-2

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

api-ms-win-core-delayload-l1-1-1

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

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

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

Exports

Exports

Sections

.text Size: 860KB - Virtual size: 856KB

.rdata Size: 340KB - Virtual size: 337KB

.data Size: 4KB - Virtual size: 20KB

.pdata Size: 36KB - Virtual size: 34KB

.didat Size: 4KB - Virtual size: 1KB

.rsrc Size: 24KB - Virtual size: 22KB

.reloc Size: 12KB - Virtual size: 8KB

.text
Size: 860KB - Virtual size: 856KB

.rdata
Size: 340KB - Virtual size: 337KB

.data
Size: 4KB - Virtual size: 20KB

.pdata
Size: 36KB - Virtual size: 34KB

.didat
Size: 4KB - Virtual size: 1KB

.rsrc
Size: 24KB - Virtual size: 22KB

.reloc
Size: 12KB - Virtual size: 8KB