dot3hc[.]dll | Triage

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General

Target

dot3hc.dll
Size

56KB
MD5

d6204d0a732dd50d6614788857e8f38d
SHA1

2ab2c6fb4b10c612b10af43279a5c38b048f617a
SHA256

0807fb909060249df63c15f9abe6e0a87c58a65e6ad60a410a4d2fa8e57e91b5
SHA512

e59a96883bd3baa5e6b531d305934b17251185575d9fec82b92bee526a7d15684fac546725544aa8a86e9afd7eee5c5d7851a6e0518e36a1530590b8c51a2fbb
SSDEEP

1536:5S+keJAxghbsupa3ArWH40j5aIIDEfA/2ZWV+J6:5S+knYgupyArWH4a5LIDFuZW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dot3hc.dll

Files

dot3hc.dll
.dll regsvr32 windows:10 windows x86 arch:x86

c12008b2160046aa70bfc6d0bfa4251a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

dot3HC.pdb

Imports

msvcrt

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

kernel32

GetModuleFileNameA
LocalAlloc
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
OutputDebugStringA
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
LockResource
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
Sleep
GetCurrentProcessId
EnterCriticalSection
LeaveCriticalSection
GetLastError
FreeLibrary
GetProcAddress
LoadLibraryExW
GetModuleHandleW
lstrcmpiW
RaiseException
MultiByteToWideChar
SizeofResource
LoadResource
FindResourceExW
GetModuleFileNameW
InitializeCriticalSection
DeleteCriticalSection
DisableThreadLibraryCalls
GetThreadLocale
SetThreadLocale
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
HeapDestroy

advapi32

RegOpenKeyExW
EventWriteTransfer
EventRegister
EventProviderEnabled
EventSetInformation
EventUnregister
RegCloseKey
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteValueW
RegSetValueExW
RegCreateKeyExW

user32

LoadStringW
UnregisterClassA
CharNextW

oleaut32

RegisterTypeLi
SysStringLen
SysAllocString
UnRegisterTypeLi
VarUI4FromStr
SysFreeString
LoadTypeLi

nsi

NsiGetAllParameters
NsiGetParameter

iphlpapi

GetAdaptersAddresses
ConvertInterfaceGuidToLuid
ConvertInterfaceLuidToIndex

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

CoTaskMemRealloc
CoTaskMemFree
CoTaskMemAlloc
CoCreateInstance
StringFromGUID2

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 45KB - Virtual size: 44KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c12008b2160046aa70bfc6d0bfa4251a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

advapi32

user32

oleaut32

nsi

iphlpapi

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

Exports

Exports

Sections

.text Size: 45KB - Virtual size: 44KB

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

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

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

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

.text
Size: 45KB - Virtual size: 44KB

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

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

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

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