tlock[.]exe | Triage™

Sharing

Copy URL Twitter E-mail

General

Target
tlock.exe
Size 58.5MB
Sample260808-n2ynvaeq2s
SHA256 b8775c03d87c0077ff93c209a2488e6765a95b1ec5aee069ffd0fb248d853062
MD5 c70cb1fa11e0a6d2ff01594c0cd2a46e
SHA1 6db2a09a4b1afa0fa7fbbd572031f64b32404f62
SHA512 6b593129096546f2c58e06ce2d8513c534e61da179a91a8f435ff4ab798f0d29db864a9fbe708535ef00dd454708e533786e31c163ba61332eb87da7a0f012de
SSDEEP 393216:Jg/WkZZQ6mUh7Xp2VGYE6Au7Gi82Q5qJInkBtY5e3xXeYV2ipCmR+:Jg/WaW6mUh7Xp2VLY5e3x0
TLSH
T106D76C434F2586D1C2739A3BD8FA7926B321776DF298DBA74F044E75EE522C4AE42304
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tlock.exe

File Explorer

tlock.exe

.exe 58.5MB

tlock.exe

IMPHASH 05908b9271bcb840382194981fcd138e
SHA256 b8775c03d87c0077ff93c209a2488e6765a95b1ec5aee069ffd0fb248d853062
MD5 c70cb1fa11e0a6d2ff01594c0cd2a46e
SHA1 6db2a09a4b1afa0fa7fbbd572031f64b32404f62
SHA512 6b593129096546f2c58e06ce2d8513c534e61da179a91a8f435ff4ab798f0d29db864a9fbe708535ef00dd454708e533786e31c163ba61332eb87da7a0f012de
SSDEEP 393216:Jg/WkZZQ6mUh7Xp2VGYE6Au7Gi82Q5qJInkBtY5e3xXeYV2ipCmR+:Jg/WaW6mUh7Xp2VLY5e3x0
TLSH
T106D76C434F2586D1C2739A3BD8FA7926B321776DF298DBA74F044E75EE522C4AE42304
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Password

lolilol

Minor OS version

Major OS version

Entry point

5152

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

DeleteCriticalSection EnterCriticalSection InitializeCriticalSection LeaveCriticalSection RaiseException RtlUnwindEx VirtualProtect VirtualQuery __C_specific_handler AddVectoredExceptionHandler CancelIo CloseHandle CompareStringOrdinal CopyFileExW CreateDirectoryW CreateEventW CreateFileMappingA CreateFileW CreateHardLinkW CreatePipe CreateProcessW CreateSymbolicLinkW CreateThread CreateToolhelp32Snapshot CreateWaitableTimerExW DeleteFileW DeleteProcThreadAttributeList DeviceIoControl DuplicateHandle ExitProcess FindClose FindFirstFileExW FindNextFileW FlushFileBuffers FormatMessageW FreeEnvironmentStringsW FreeLibrary GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSizeEx GetFileType GetFinalPathNameByHandleW GetFullPathNameW GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetOverlappedResult GetProcAddress GetProcessHeap GetProcessId GetStdHandle GetSystemDirectoryW GetSystemInfo GetSystemTimePreciseAsFileTime GetTempPathW GetWindowsDirectoryW HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete InitializeProcThreadAttributeList LoadLibraryA LoadLibraryExA LockFileEx MapViewOfFile Module32FirstW Module32NextW MoveFileExW MultiByteToWideChar OpenProcess QueryPerformanceCounter QueryPerformanceFrequency ReadConsoleW ReadFile ReadFileEx RemoveDirectoryW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetCurrentDirectoryW SetEnvironmentVariableW SetEvent SetFileAttributesW SetFileInformationByHandle SetFilePointerEx SetFileTime SetHandleInformation SetLastError SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SleepEx SwitchToThread TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnlockFile UnmapViewOfFile UpdateProcThreadAttribute WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte WriteConsoleW WriteFileEx lstrlenW

api-ms-win-crt-environment-l1-1-0

__p__environ

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

_set_new_mode calloc free malloc

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-math-l1-1-0

__setusermatherr ceil ceilf cos expf floor floorf fma fmaf fmodf pow powf rint rintf round roundf sin sinf truncf

api-ms-win-crt-private-l1-1-0

memcmp memcpy memmove

api-ms-win-crt-runtime-l1-1-0

__p___argc __p___argv _cexit _configure_narrow_argv _crt_atexit _exit _fpreset _initialize_narrow_environment _initterm _initterm_e _set_app_type _set_invalid_parameter_handler abort exit signal

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf fflush setvbuf

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

memset strlen strncmp wcslen

ntdll

NtCreateNamedPipeFile NtCreateFile NtOpenFile NtReadFile NtWriteFile RtlNtStatusToDosError

advapi32

SystemFunction036

api-ms-win-core-winrt-error-l1-1-0

RoOriginateErrorW

bcrypt

BCryptGenRandom

gdi32

BitBlt CreateCompatibleBitmap CreateCompatibleDC CreateDIBSection CreateFontW CreateSolidBrush DeleteDC DeleteObject GetStockObject GetTextMetricsW SelectObject SetBkMode SetStretchBltMode SetTextColor StretchBlt TextOutW

ole32

CoCreateGuid PropVariantClear PropVariantCopy

oleaut32

GetErrorInfo SetErrorInfo SysAllocStringLen SysFreeString SysStringLen VariantClear VariantCopy

propsys

PropVariantCompareEx PropVariantToBSTR PropVariantToBoolean PropVariantToDouble PropVariantToInt16 PropVariantToInt32 PropVariantToInt64 PropVariantToUInt16 PropVariantToUInt32 PropVariantToUInt64 PropVariantToVariant VariantToBoolean VariantToDouble VariantToInt16 VariantToInt32 VariantToInt64 VariantToPropVariant VariantToUInt16 VariantToUInt32 VariantToUInt64

user32

BeginPaint CallWindowProcW CreateWindowExW DefWindowProcW DestroyWindow DispatchMessageW EnableWindow EndPaint FillRect GetClientRect GetDC GetDlgItem GetMessageW GetParent GetSystemMetrics GetWindow GetWindowTextW InvalidateRect IsWindowEnabled KillTimer LoadCursorW MessageBoxW PostMessageW RegisterClassExW ReleaseDC SendMessageW SetFocus SetForegroundWindow SetTimer SetWindowLongPtrW SetWindowPos SetWindowTextW ShowWindow TranslateMessage UpdateWindow

userenv

GetUserProfileDirectoryW

ws2_32

GetHostNameW WSACleanup WSADuplicateSocketW WSAGetLastError WSARecv WSASend WSASocketW WSAStartup accept bind closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt ioctlsocket listen recv recvfrom select send sendto setsockopt shutdown

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

WaitOnAddress WakeByAddressAll WakeByAddressSingle

bcryptprimitives

ProcessPrng

Name

.text

Size

13.1MB

Virtual Size

13.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

329KB

Virtual Size

329KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

467KB

Virtual Size

467KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

832B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

35KB

Virtual Size

35KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

Size

19KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/19

Size

11.4MB

Virtual Size

11.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/31

Size

187KB

Virtual Size

187KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/45

Size

4.7MB

Virtual Size

4.7MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/57

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/70

Size

18.6MB

Virtual Size

18.6MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/81

Size

364KB

Virtual Size

364KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/92

Size

2.4MB

Virtual Size

2.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/106

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/122

Size

7KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/138

Size

512B

Virtual Size

360B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

tlock.exe

kernel32

api-ms-win-crt-environment-l1-1-0

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

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

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

ntdll

advapi32

api-ms-win-core-winrt-error-l1-1-0

bcrypt

gdi32

ole32

oleaut32

propsys

user32

userenv

ws2_32

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

bcryptprimitives

generic