smooth[.]dll | Triage

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General

Target

smooth.dll
Size

271KB
MD5

5e8240857539f0348560cc6f074fa9a2
SHA1

5d99cc62b664b5c8aa49057515eefe24e785893b
SHA256

c4f14f5302e6c83d864d40a57daf691d6c33e30a421d71b9087187310ccec995
SHA512

28c4da5eaf9de7a86ecd90e164384826d26c4ffc316069d15c8f2c03d038c2a527044f3b7d6e6e8aa1d9f2b6906e95c20a8eab843f826bbb531eab178d49848c
SSDEEP

6144:EokS4tnSoieKZZSLjlSGM+f9xKu+951V5JL:zkdiewZ2jMixx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
smooth.dll

Files

smooth.dll
.dll windows x64

b5631b90dc90a8859f74bd3a5234d04e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

GetProcAddress
Thread32Next
Thread32First
GetModuleHandleA
CreateToolhelp32Snapshot
CloseHandle
GetCurrentProcessId
GetThreadTimes
OpenThread
WriteConsoleW
CreateFileW
MultiByteToWideChar
GetStringTypeW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStdHandle
GetFileType
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
SetStdHandle
GetFileSizeEx
SetFilePointerEx
HeapSize

user32

MapVirtualKeyA
GetKeyNameTextA

Sections

.text
Size: 185KB - Virtual size: 185KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 66KB - Virtual size: 65KB

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

.pdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b5631b90dc90a8859f74bd3a5234d04e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 185KB - Virtual size: 185KB

.rdata Size: 66KB - Virtual size: 65KB

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

.pdata Size: 11KB - Virtual size: 10KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 185KB - Virtual size: 185KB

.rdata
Size: 66KB - Virtual size: 65KB

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

.pdata
Size: 11KB - Virtual size: 10KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 2KB