devobj[.]dll | Triage

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General

Target

devobj.dll
Size

136KB
MD5

9654619a3b0ea8ad1e59d5337ba2c395
SHA1

a3d7cd49da74a2dfa55fa186c435cc106670c5d2
SHA256

2684349236399318bcf51e5432b053d51ddf4a254eec083763d70d50e82e93dd
SHA512

8671dfbb2f0aa0fb0496496c0ff84652b921443fa6afd910d4bc6c47a909090cd5183186479650a8990dc16bb5008722a6bd090bd104250434d452d1cbb2605b
SSDEEP

3072:WszXevI/emME6pbP2JuYWw8AOmre/I1d38CQ:BXmKemMEqIWw6mz3

Score

1^/10

Malware Config

Signatures

Files

devobj.dll
.dll windows:10 windows x86 arch:x86

2cc3e3091a8b17702df5ebd18e578cf8

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c9:1e:aa:5b:be:56:34:fd:da:c7:76:30:ba:b4:1d:4e:2d:d0:97:b2:0d:84:2d:9e:85:0d:95:8a:41:06:8e:f8
Signer

Actual PE Digest

c9:1e:aa:5b:be:56:34:fd:da:c7:76:30:ba:b4:1d:4e:2d:d0:97:b2:0d:84:2d:9e:85:0d:95:8a:41:06:8e:f8

Digest Algorithm

sha256

PE Digest Matches

true

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

devobj.pdb

Imports

api-ms-win-crt-runtime-l1-1-0

_initterm
_initterm_e

api-ms-win-crt-private-l1-1-0

_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__resetstkoflw
_o__seh_filter_dll
memmove
_o__wcsicmp
_o_toupper
_except_handler4_common
_o___stdio_common_vswprintf
_o__configure_narrow_argv
_o___stdio_common_vsprintf
_o___std_type_info_destroy_list
wcsrchr
wcschr
_o__cexit
memcmp
memcpy

api-ms-win-crt-string-l1-1-0

memset

ntdll

RtlGUIDFromString
RtlGetVersion
RtlNtStatusToDosError
NtQuerySystemInformation
RtlNtStatusToDosErrorNoTeb
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
NtOpenKey
NtCreateKey
NtQueryInformationFile
NtClose
RtlCompareUnicodeString
NtQueryDirectoryObject
NtQueryObject
NtOpenDirectoryObject
RtlInitUnicodeString
EtwTraceMessage
NtQueryValueKey
NtDeleteValueKey
NtSetValueKey
NtSetInformationFile
RtlInitUnicodeStringEx

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

GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
RaiseException

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

SetEvent
WaitForSingleObjectEx
WaitForSingleObject
WaitForMultipleObjectsEx
SleepEx
ReleaseMutex
CreateMutexW
CreateEventW

api-ms-win-devices-config-l1-1-1

CM_Set_DevNode_PropertyW
CM_MapCrToWin32Err
CM_Get_Device_IDW
CM_Get_DevNode_Status
CM_Get_DevNode_PropertyW
CM_Get_Class_Registry_PropertyW
CM_Set_Class_Registry_PropertyW

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

RegOpenKeyExW
RegCloseKey
RegEnumKeyExW
RegSetValueExW
RegQueryValueExW

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

CloseHandle

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-libraryloader-l1-2-0

DisableThreadLibraryCalls
FreeLibrary
GetModuleFileNameA
LoadLibraryExW
GetProcAddress

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

IsDebuggerPresent

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

GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

GetLocalTime
GetSystemTimeAsFileTime
GetSystemWindowsDirectoryW
GetTickCount

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

InitializeSListHead

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW

cfgmgr32

CM_Set_DevNode_Problem_Ex
CM_Get_Res_Des_Data_Size_Ex
CM_Get_Res_Des_Data_Ex
CM_Get_Parent_Ex
CM_Connect_MachineW
CM_Enumerate_Classes_Ex
CM_Get_Class_Name_ExW
CM_Disconnect_Machine
CM_Locate_DevNode_ExW
CM_Create_DevNode_ExW
CM_Set_DevNode_Property_ExW
CM_Free_Res_Des_Handle
CM_Uninstall_DevNode_Ex
CM_Get_Device_Interface_List_ExW
CM_Get_Device_ID_List_ExW
CM_Get_Device_Interface_List_Size_ExW
CM_Get_Device_ID_List_Size_ExW
CM_Get_Class_Property_ExW
CM_Set_Class_Property_ExW
CM_Get_DevNode_Property_ExW
CM_Get_First_Log_Conf_Ex
CM_Free_Log_Conf_Handle
CM_Delete_Device_Interface_Key_ExW
CM_Open_Device_Interface_Key_ExW
CM_Delete_DevNode_Key_Ex
CM_Get_Class_Property_Keys_Ex
CM_Set_Device_Interface_Property_ExW
CM_Get_Device_Interface_Property_ExW
CM_Get_Device_Interface_Property_Keys_ExW
CM_Get_DevNode_Property_Keys_Ex
CM_Set_DevNode_Registry_Property_ExW
CM_Get_DevNode_Registry_Property_ExW
CM_Open_DevNode_Key_Ex
CM_Disable_DevNode_Ex
CM_Set_HW_Prof_Flags_ExW
CM_Get_HW_Prof_Flags_ExW
CM_Enable_DevNode_Ex
CM_Setup_DevNode_Ex
CM_Query_And_Remove_SubTree_ExW
CM_Get_DevNode_Status_Ex
CM_Get_Device_ID_Size_Ex
CM_Open_Class_Key_ExW
CM_Unregister_Device_Interface_ExW
CM_Register_Device_Interface_ExW
CM_Get_Device_Interface_Alias_ExW
CM_Get_Device_ID_ExW
CM_Get_Next_Res_Des_Ex

api-ms-win-devices-query-l1-1-0

DevCreateObjectQuery
DevCloseObjectQuery

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

ExpandEnvironmentStringsW
GetCommandLineA

api-ms-win-core-localization-l1-2-0

LCMapStringW
GetThreadLocale

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

CompareStringOrdinal
WideCharToMultiByte

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

UnmapViewOfFile
MapViewOfFile
CreateFileMappingW

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

FileTimeToLocalFileTime
WriteFile
GetFileSize
SetFilePointer
GetFileInformationByHandle
DeleteFileW
CreateFileW
SetEndOfFile
GetFullPathNameW
FindFirstFileW
GetFileAttributesW
SetFileAttributesW
CreateDirectoryW
FlushFileBuffers
FindClose
FindNextFileW

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

FileTimeToSystemTime

api-ms-win-core-file-l2-1-0

MoveFileExW
CreateHardLinkW

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

GetProcessHeap
HeapReAlloc
HeapAlloc
HeapFree

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

DeviceIoControl

api-ms-win-security-base-l1-1-0

FreeSid
CheckTokenMembership
AllocateAndInitializeSid

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DevObjBuildClassInfoList
DevObjChangeState
DevObjClassGuidsFromName
DevObjClassNameFromGuid
DevObjCreateClassDeviceInfoList
DevObjCreateDevRegKey
DevObjCreateDeviceInfo
DevObjCreateDeviceInfoList
DevObjCreateDeviceInterface
DevObjCreateDeviceInterfaceRegKey
DevObjDeleteAllInterfacesForDevice
DevObjDeleteDevRegKey
DevObjDeleteDevice
DevObjDeleteDeviceInfo
DevObjDeleteDeviceInterfaceData
DevObjDeleteDeviceInterfaceRegKey
DevObjDestroyDeviceInfoList
DevObjEnumDeviceInfo
DevObjEnumDeviceInterfaces
DevObjGetClassDescription
DevObjGetClassDevs
DevObjGetClassProperty
DevObjGetClassPropertyKeys
DevObjGetClassRegistryProperty
DevObjGetDeviceInfoDetail
DevObjGetDeviceInfoListClass
DevObjGetDeviceInfoListDetail
DevObjGetDeviceInstanceId
DevObjGetDeviceInterfaceAlias
DevObjGetDeviceInterfaceDetail
DevObjGetDeviceInterfaceProperty
DevObjGetDeviceInterfacePropertyKeys
DevObjGetDeviceProperty
DevObjGetDevicePropertyKeys
DevObjGetDeviceRegistryProperty
DevObjLocateDevice
DevObjOpenClassRegKey
DevObjOpenDevRegKey
DevObjOpenDeviceInfo
DevObjOpenDeviceInterface
DevObjOpenDeviceInterfaceRegKey
DevObjRegisterDeviceInfo
DevObjRemoveDeviceInterface
DevObjRestartDevices
DevObjSetClassProperty
DevObjSetClassRegistryProperty
DevObjSetDeviceInfoDetail
DevObjSetDeviceInterfaceDefault
DevObjSetDeviceInterfaceProperty
DevObjSetDeviceProperty
DevObjSetDeviceRegistryProperty
DevObjUninstallDevice

Sections

.text
Size: 108KB - Virtual size: 108KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 20B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2cc3e3091a8b17702df5ebd18e578cf8

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

c9:1e:aa:5b:be:56:34:fd:da:c7:76:30:ba:b4:1d:4e:2d:d0:97:b2:0d:84:2d:9e:85:0d:95:8a:41:06:8e:f8Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-string-l1-1-0

ntdll

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

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

api-ms-win-devices-config-l1-1-1

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

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

api-ms-win-core-synch-l1-2-0

api-ms-win-core-libraryloader-l1-2-0

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

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

api-ms-win-core-processthreads-l1-1-1

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

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

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

api-ms-win-core-string-obsolete-l1-1-0

cfgmgr32

api-ms-win-devices-query-l1-1-0

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

api-ms-win-core-localization-l1-2-0

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

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

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

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

api-ms-win-core-file-l2-1-0

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

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

api-ms-win-security-base-l1-1-0

api-ms-win-core-delayload-l1-1-1

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

Exports

Exports

Sections

.text Size: 108KB - Virtual size: 108KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 7KB - Virtual size: 7KB

.didat Size: 512B - Virtual size: 20B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 6KB - Virtual size: 6KB

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

c9:1e:aa:5b:be:56:34:fd:da:c7:76:30:ba:b4:1d:4e:2d:d0:97:b2:0d:84:2d:9e:85:0d:95:8a:41:06:8e:f8
Signer

.text
Size: 108KB - Virtual size: 108KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 7KB - Virtual size: 7KB

.didat
Size: 512B - Virtual size: 20B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 6KB - Virtual size: 6KB