WinMsoIrmProtector[.]dll

Sharing

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General

Target

WinMsoIrmProtector.dll
Size

106KB
MD5

78c8363b14fcdaaac07dabfc35d07a72
SHA1

713030bf5d906b10f4c15f372ea6c20237bfdbdd
SHA256

1cb6a1c2d22eb9083317feb505b02effe86d693d68024f52eb8863b02953353d
SHA512

b8db578f39c6e8eeda85421d72c2fd5f7f6933634fba4260b190891b259e9048c1753a00c29d60097e222a84c7c0e1971392305c54c645a4795c87951734dd2b
SSDEEP

1536:J1K+3M9lZr/j+VsIR53tLGVqWiqNC+8L6AEZoNrbf9IkaD6kRuwrK3fh/+P6V1YB:JU+cZj+a83cH/AEyNv12Dzn4ZV1YJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WinMsoIrmProtector.dll

Files

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

987981e162a4290296970c9e11994b6b

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

WinMsoIrmProtector.pdb

Imports

user32

CharNextW
UnregisterClassA

kernel32

GetProcAddress
LoadLibraryExW
GetModuleHandleW
lstrcmpiW
RaiseException
MultiByteToWideChar
SizeofResource
LoadResource
FindResourceExW
GetModuleFileNameW
GetThreadLocale
SetThreadLocale
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
GetSystemDirectoryW
WideCharToMultiByte
CompareStringW
HeapAlloc
GetProcessHeap
HeapFree
GetCommandLineA
GetVersionExA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualQuery
SetLastError
GetCurrentThreadId
GetLastError
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
HeapCreate
HeapDestroy
VirtualFree
GetStdHandle
GetFileType
SetHandleCount
GetStartupInfoA
GetModuleFileNameA
FreeLibrary
GetCurrentProcessId
GetSystemTimeAsFileTime
GetTickCount
GetEnvironmentStrings
GetEnvironmentStringsW
FreeEnvironmentStringsA
FreeEnvironmentStringsW
OutputDebugStringA
WriteFile
HeapReAlloc
HeapSize
RtlUnwind
Sleep
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
InitializeCriticalSectionAndSpinCount
LoadLibraryExA
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
TlsAlloc
QueryPerformanceCounter

advapi32

RegDeleteValueW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegCloseKey

ole32

StgCreateDocfileOnILockBytes
StgOpenStorage
CoTaskMemFree
StgOpenStorageOnILockBytes
StgIsStorageILockBytes
CoCreateInstance
StringFromGUID2
CoTaskMemAlloc
CoCreateGuid
CoTaskMemRealloc

oleaut32

RegisterTypeLi
SysStringLen
SysAllocString
LoadTypeLi
UnRegisterTypeLi
VarUI4FromStr
SysFreeString

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 80KB - Virtual size: 80KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

987981e162a4290296970c9e11994b6b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

kernel32

advapi32

ole32

oleaut32

Exports

Exports

Sections

.text Size: 80KB - Virtual size: 80KB

.data Size: 7KB - Virtual size: 9KB

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

.rsrc Size: 10KB - Virtual size: 9KB

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

.text
Size: 80KB - Virtual size: 80KB

.data
Size: 7KB - Virtual size: 9KB

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

.rsrc
Size: 10KB - Virtual size: 9KB

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