devobj[.]dll | Triage

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General

Target

devobj.dll
Size

151KB
MD5

6dcfc0704dd0952669d532e703b7b951
SHA1

df524f9a7cd0dce63ce7ef3a6f89386c53318e78
SHA256

199f85fb59f38837f262e0b56a417e7728bc54a7289f96949d5c503ef097ad84
SHA512

4f40e079578d1d5da1c69517ea9e7c288abb33ecfa904bdd846a98564a4a8447943110db40e6d7ce7cb729f2667041b7baf62f972a2bb910b27ffbd795733bf0
SSDEEP

3072:3ttd32u8qSig0BvHn5T7m5WgkDBSFWTQsCPYfOh3oIqj4zR6s0+:3LdmuOL0BvH53k8BSFNsMYfO5BqjP+

Score

1^/10

Malware Config

Signatures

Files

devobj.dll
.dll windows:6 windows x64 arch:x64

d0b0686b6cca30e4d297fcadfbf660a8

Code Sign

33:00:00:00:4e:a1:d8:07:70:a9:bb:e9:44:00:00:00:00:00:4e
Certificate

Issuer

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

Not Before

01/07/2014, 20:32

Not After

01/10/2015, 20:32

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

b2:54:bf:7c:d3:97:b5:a6:1a:ae:71:9a:de:89:89:66:d4:d5:a6:dd:03:c7:e5:d9:21:0a:0f:14:a5:14:d3:ed
Signer

Actual PE Digest

b2:54:bf:7c:d3:97:b5:a6:1a:ae:71:9a:de:89:89:66:d4:d5:a6:dd:03:c7:e5:d9:21:0a:0f:14:a5:14:d3:ed

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

devobj.pdb

Imports

msvcrt

wcschr
_vsnwprintf
memset
wcsrchr
toupper
_resetstkoflw
memcpy
_vsnprintf
__C_specific_handler
_initterm
malloc
memcmp
free
_amsg_exit
_XcptFilter
memmove
_wcsicmp

ntdll

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

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

GetLastError
RaiseException
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

ReleaseMutex
CreateEventW
SleepEx
SetEvent
WaitForSingleObject
WaitForSingleObjectEx
WaitForMultipleObjectsEx
Sleep
CreateMutexW

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

RegSetValueExW
RegEnumKeyExW
RegOpenKeyExW
RegCloseKey
RegQueryValueExW

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

CloseHandle

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

CM_Set_Class_Registry_PropertyW
CM_Get_Class_Registry_PropertyW
CM_Get_Device_IDW

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

DisableThreadLibraryCalls
GetModuleFileNameA

api-ms-win-core-processthreads-l1-1-2

GetCurrentThreadId
GetCurrentProcess
GetCurrentProcessId
TerminateProcess

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

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-2-1

GetSystemTimeAsFileTime
GetLocalTime
GetSystemWindowsDirectoryW
GetTickCount

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

lstrlenA
lstrlenW
lstrcmpW
lstrcmpiW

cfgmgr32

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

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

DevCreateObjectQuery
DevCloseObjectQuery

api-ms-win-core-localization-l1-2-1

LCMapStringW
GetThreadLocale

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

WideCharToMultiByte
CompareStringW

api-ms-win-core-memory-l1-1-2

MapViewOfFile
CreateFileMappingW
UnmapViewOfFile

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

GetProcessHeap
HeapAlloc
HeapReAlloc
HeapFree

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

FileTimeToSystemTime

api-ms-win-core-file-l1-2-1

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

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

DeviceIoControl

api-ms-win-security-base-l1-2-0

FreeSid
AllocateAndInitializeSid
CheckTokenMembership

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

GetCommandLineA

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

CreateHardLinkW
MoveFileExW

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

DevObjBuildClassInfoList
DevObjChangeState
DevObjClassGuidsFromName
DevObjClassNameFromGuid
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: 124KB - Virtual size: 123KB

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

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 40B

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: 512B - Virtual size: 328B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d0b0686b6cca30e4d297fcadfbf660a8

Code Sign

33:00:00:00:4e:a1:d8:07:70:a9:bb:e9:44:00:00:00:00:00:4eCertificate

Extended Key Usages

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

Key Usages

b2:54:bf:7c:d3:97:b5:a6:1a:ae:71:9a:de:89:89:66:d4:d5:a6:dd:03:c7:e5:d9:21:0a:0f:14:a5:14:d3:edSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

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

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

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

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

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

api-ms-win-core-processthreads-l1-1-2

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

api-ms-win-core-sysinfo-l1-2-1

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

cfgmgr32

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

api-ms-win-core-localization-l1-2-1

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

api-ms-win-core-memory-l1-1-2

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

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

api-ms-win-core-file-l1-2-1

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

api-ms-win-security-base-l1-2-0

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

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

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

Exports

Exports

Sections

.text Size: 124KB - Virtual size: 123KB

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

.pdata Size: 6KB - Virtual size: 5KB

.idata Size: 8KB - Virtual size: 7KB

.didat Size: 512B - Virtual size: 40B

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

.reloc Size: 512B - Virtual size: 328B

33:00:00:00:4e:a1:d8:07:70:a9:bb:e9:44:00:00:00:00:00:4e
Certificate

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

b2:54:bf:7c:d3:97:b5:a6:1a:ae:71:9a:de:89:89:66:d4:d5:a6:dd:03:c7:e5:d9:21:0a:0f:14:a5:14:d3:ed
Signer

.text
Size: 124KB - Virtual size: 123KB

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

.pdata
Size: 6KB - Virtual size: 5KB

.idata
Size: 8KB - Virtual size: 7KB

.didat
Size: 512B - Virtual size: 40B

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

.reloc
Size: 512B - Virtual size: 328B