nttdsl[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

nttdsl.exe
Size

1.0MB
MD5

503b5a6ad276a02d11677c859a4af9f8
SHA1

6208d68a4c0cc1a74bba2c47d3bcc1e9a7a6ccd8
SHA256

486384120b69f9a1a4edbe7187b5978399d0029103015885365d267db14df170
SHA512

9fc5e3aea3d7535819eb801addc42ebb6278ac9c688344f1a1d09815e0dcef72691f6c65f47a644b71199a74bcfa364fe88ebef76e000428b8fff00db0681b57
SSDEEP

24576:SeTuP4HYJFOo9PJNlX12BuSVk5JuVDJorX8u:9T9HYfOEPJNlFIuokWRJI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
nttdsl.exe

Files

nttdsl.exe
.exe windows:4 windows x86 arch:x86

a8f9817be32c1d5589680a5066ebff5d

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsicmp
wcslen
wcscpy
wcscmp
memcpy
tolower
wcscat
malloc
free

kernel32

GetModuleHandleW
HeapCreate
GetStdHandle
HeapDestroy
ExitProcess
WriteFile
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
GetExitCodeProcess
EnumResourceNamesW
GetTempFileNameW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetNativeSystemInfo
GetShortPathNameW
GetWindowsDirectoryW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
GetProcAddress
GetVersionExW
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
TerminateProcess
SetUnhandledExceptionFilter
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
DeleteFileW
GetTempPathW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
InterlockedCompareExchange
InterlockedExchange
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
DuplicateHandle
RegisterWaitForSingleObject

user32

CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
DestroyWindow
GetWindowLongW
GetWindowTextLengthW
GetWindowTextW
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
EnableWindow
GetSystemMetrics
CreateWindowExW
SetWindowLongW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos

gdi32

GetStockObject

comctl32

InitCommonControlsEx

shell32

ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW

winmm

timeBeginPeriod

ole32

CoInitialize
CoTaskMemFree

shlwapi

PathQuoteSpacesW
PathAddBackslashW
PathRenameExtensionW
PathRemoveArgsW
PathRemoveBackslashW

Sections

.code
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 51KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 990KB - Virtual size: 989KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a8f9817be32c1d5589680a5066ebff5d

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

comctl32

shell32

winmm

ole32

shlwapi

Sections

.code Size: 13KB - Virtual size: 12KB

.text Size: 51KB - Virtual size: 51KB

.rdata Size: 13KB - Virtual size: 12KB

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

.rsrc Size: 990KB - Virtual size: 989KB

.code
Size: 13KB - Virtual size: 12KB

.text
Size: 51KB - Virtual size: 51KB

.rdata
Size: 13KB - Virtual size: 12KB

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

.rsrc
Size: 990KB - Virtual size: 989KB