dot3hc[.]dll | Triage

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General

Target

dot3hc.dll
Size

54KB
MD5

3ef520a077afa7acc076fb3e0fe42ff5
SHA1

d9b75851ca80abef408f3145ab701d123ac702fa
SHA256

2ae399e8e20118dafb5588a2af9541e58cba27452dd2796ae8d8a5fb981599cd
SHA512

7840119d50ce93b739bd1a207a7374443a54219953867df7e3187e52db4f8174275998f027fb2ec615c263f9990c1cef3577d364acd3d39e37a20eabfb2e620c
SSDEEP

768:M8B72C1InXlPu/gjsN2Ez6jZcZgKMF10975E2dUKpk9zLltwByrQlV1FV5:B23EYsN2Ez6cgKMr09lB3k7aqQJFV

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dot3hc.dll

Files

dot3hc.dll
.dll regsvr32 windows:6 windows x86 arch:x86

ce623693130819fb9118edbdcea58d33

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

dot3HC.pdb

Imports

msvcrt

memmove_s
wcscat_s
wcscpy_s
memset
__CxxFrameHandler3
??0exception@@QAE@XZ
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
_callnewh
_XcptFilter
malloc
_initterm
free
memcpy_s
_CxxThrowException
wcsncpy_s
_amsg_exit
??1type_info@@UAE@XZ
_except_handler4_common
realloc
_errno
_unlock
__dllonexit
_lock
_onexit
_purecall
vswprintf_s
_vscwprintf
memcpy
wcsnlen
wcsstr
??0exception@@QAE@ABQBD@Z
wcsncmp

kernel32

FindResourceExW
LockResource
OutputDebugStringA
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
InterlockedCompareExchange
Sleep
lstrlenW
RaiseException
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetLastError
InterlockedIncrement
InterlockedDecrement
LoadLibraryW
GetProcAddress
GetModuleHandleW
lstrcmpiW
FreeLibrary
MultiByteToWideChar
SizeofResource
LoadResource
FindResourceW
LoadLibraryExW
GetModuleFileNameW
DisableThreadLibraryCalls
SetThreadLocale
GetThreadLocale
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
GetVersionExA
InterlockedExchange

advapi32

RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteValueW

user32

LoadStringW
UnregisterClassA
CharNextW

ole32

CoCreateInstance
CoTaskMemRealloc
CoTaskMemAlloc
CoTaskMemFree
StringFromGUID2

oleaut32

RegisterTypeLi
UnRegisterTypeLi
LoadTypeLi
SysAllocString
SysStringLen
VarUI4FromStr
SysFreeString

nsi

NsiGetParameter
NsiGetAllParameters

iphlpapi

GetAdaptersAddresses
ConvertInterfaceLuidToIndex
ConvertInterfaceGuidToLuid

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

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

ce623693130819fb9118edbdcea58d33

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

advapi32

user32

ole32

oleaut32

nsi

iphlpapi

Exports

Exports

Sections

.text Size: 45KB - Virtual size: 45KB

.data Size: 1024B - Virtual size: 1KB

.rsrc Size: 3KB - Virtual size: 2KB

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

.text
Size: 45KB - Virtual size: 45KB

.data
Size: 1024B - Virtual size: 1KB

.rsrc
Size: 3KB - Virtual size: 2KB

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