devmgr[.]dll | Triage

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General

Target

devmgr.dll
Size

773KB
MD5

f9f4ef3d575e90b199888af9c834b896
SHA1

9a03f047eb48e14b2faf9ad900a68a21fa98d2d4
SHA256

de51894aa7ef0ddfed158a685c51f6e9f6236b7dd71399cc02b50cfaeb96023f
SHA512

ed47e71a7d509420eae770f62a58b080065b6cfaa83957977b17968b060a981ac5e6fc50489440f2694ca13f7f4468a0abf9c686053558d5f4e80392a27b6fa1
SSDEEP

12288:iUDdDEpxdQiqt7U0b/N/ouZibZvOXTrov8EZvOXTro+HN1441:fewiY7U0Qo7Z1

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
devmgr.dll

Files

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

03d59244222b2c29249eec877281de4b

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

devmgr.pdb

Imports

msvcrt

memcpy
memmove
_ftol2
_onexit
__dllonexit
_unlock
__CxxFrameHandler3
memcmp
_vsnprintf
toupper
_lock
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_except_handler4_common
_CxxThrowException
_amsg_exit
_XcptFilter
_resetstkoflw
_callnewh
wcstoul
qsort
_vsnprintf_s
??0exception@@QAE@XZ
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
_wcslwr
wcsstr
wcstok_s
wcsrchr
wcschr
_wcsicmp
_vscwprintf
vswprintf_s
free
malloc
_vsnwprintf
_purecall
memmove_s
memcpy_s
_initterm
memset

ntdll

NtCreateKey
NtOpenKey
RtlInitUnicodeString
NtClose
RtlFreeUnicodeString
RtlFormatCurrentUserKeyPath
RtlGetVersion
RtlNtStatusToDosErrorNoTeb
RtlMultiByteToUnicodeN
RtlMultiByteToUnicodeSize
RtlUnicodeToMultiByteN
RtlUnicodeToMultiByteSize
RtlNtStatusToDosError
NtQueryValueKey
NtQuerySystemInformation
NtSetValueKey
NtDeleteValueKey
NtQueryInformationFile
NtSetInformationFile

kernel32

ResolveDelayLoadedAPI
DelayLoadFailureHook
CreateDirectoryW
DisableThreadLibraryCalls
GetModuleHandleA
GetModuleHandleW
GetProcAddress
LoadLibraryA
LoadLibraryW
SetLastError
GetLastError
GetModuleFileNameW
OutputDebugStringA
SizeofResource
LockResource
LoadResource
FindResourceExW
lstrcmpiW
GetCommandLineW
FreeResource
GetSystemDirectoryW
RegCloseKey
RegOpenKeyExW
RegCreateKeyExW
RegSetValueExW
LoadLibraryExW
RegDeleteValueW
WideCharToMultiByte
FreeLibrary
FormatMessageW
RegQueryValueExW
LocalFree
GetComputerNameW
ExpandEnvironmentStringsW
MultiByteToWideChar
FileTimeToSystemTime
GetDateFormatW
OpenEventW
CloseHandle
InitializeCriticalSection
IsWow64Process
GetCurrentProcess
GetComputerNameExW
GetNativeSystemInfo
GetEnvironmentVariableW
EnterCriticalSection
LeaveCriticalSection
Sleep
DeleteCriticalSection
CreateThread
GlobalAlloc
GlobalLock
GlobalUnlock
GetSystemWindowsDirectoryW
CompareStringOrdinal
GetFileAttributesW
GetFullPathNameW
GetCurrentDirectoryW
SetCurrentDirectoryW
IsProcessorFeaturePresent
GetCurrentThreadId
HeapAlloc
GetProcessHeap
HeapFree
GetModuleHandleExW
GetModuleFileNameA
DebugBreak
IsDebuggerPresent
OutputDebugStringW
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared
ReleaseSemaphore
ReleaseMutex
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
WaitForSingleObjectEx
InitializeCriticalSectionEx
WaitForSingleObject
OpenSemaphoreW
CreateThreadpoolTimer
GetCurrentProcessId
CreateMutexExW
CreateSemaphoreExW
SearchPathW
GetDateFormatEx
FileTimeToLocalFileTime
GetTimeFormatEx
DeleteFileW
MulDiv
GetTempPathW
CreateFileW
WriteFile
LocalAlloc
HeapSize
HeapReAlloc
HeapDestroy
RaiseException
CompareStringW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
WakeAllConditionVariable
SleepConditionVariableSRW
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetTickCount
SetEndOfFile
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
SleepEx
MoveFileExW
FindClose
FindNextFileW
SetFileAttributesW
LCMapStringW
FindFirstFileW
GetFileInformationByHandle
CreateHardLinkW
SetFilePointer
FlushFileBuffers
GetFileSize
GetLocalTime
GetCommandLineA
CreateEventW
SetEvent
GlobalFree
DeviceIoControl

user32

UnregisterClassA
GetMessagePos
SetWindowPos
EndDeferWindowPos
DeferWindowPos
MapWindowPoints
GetWindowRect
BeginDeferWindowPos
GetClientRect
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
DestroyMenu
TrackPopupMenu
GetCursorPos
AppendMenuW
CreatePopupMenu
GetKeyState
SetProcessDPIAware
EndDialog
GetSysColor
ReleaseDC
GetDC
CallWindowProcW
GetForegroundWindow
RegisterClipboardFormatW
DispatchMessageW
TranslateMessage
IsDialogMessageW
MsgWaitForMultipleObjects
CreateDialogParamW
DefWindowProcW
KillTimer
SetTimer
DestroyWindow
RegisterWindowMessageW
RegisterClassW
GetClassInfoW
IsWindow
CharUpperW
GetSystemMetrics
DialogBoxParamW
SetForegroundWindow
FindWindowExW
LoadCursorW
SetCursor
InvalidateRect
CreateWindowExW
GetWindowTextW
GetWindowLongW
LoadBitmapW
SetFocus
GetFocus
EnableWindow
ShowWindow
SendMessageW
IsDlgButtonChecked
GetParent
PostMessageW
DestroyIcon
SendDlgItemMessageW
SetDlgItemTextW
SetWindowLongW
GetDlgItem
LoadIconW
LoadImageW
MessageBoxW
LoadStringW
PeekMessageW
IsWindowEnabled
ScreenToClient

ole32

CoTaskMemFree
CoTaskMemAlloc
CreateStreamOnHGlobal
CoCreateInstance
CoUninitialize
CoInitialize

advapi32

WmiDevInstToInstanceNameW
CheckTokenMembership
EventActivityIdControl
EventUnregister
EventSetInformation
EventRegister
EventWriteTransfer
InitiateSystemShutdownExW
WmiCloseBlock
WmiSetSingleInstanceW
WmiQuerySingleInstanceW
AllocateAndInitializeSid
WmiOpenBlock
RegConnectRegistryW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
FreeSid
OpenSCManagerW
CloseServiceHandle
OpenServiceW
QueryServiceConfigW

gdi32

GetDeviceCaps
DeleteObject

setupapi

CM_Free_Log_Conf_Handle
CM_Free_Res_Des_Handle
CM_Get_Next_Res_Des_Ex
CM_Get_Res_Des_Data_Ex
CM_Get_Res_Des_Data_Size_Ex
CM_Get_Hardware_Profile_Info_ExW
CM_Get_HW_Prof_Flags_ExW
CM_Reenumerate_DevNode_Ex
CM_Get_First_Log_Conf_Ex
CM_Get_DevNode_Status_Ex
CM_Get_Device_ID_ExW
CM_Locate_DevNode_ExW
CM_Get_Sibling_Ex
CM_Get_Child_Ex
SetupVerifyInfFileW
pSetupInfGetDigitalSignatureInfo
SetupDiEnumDeviceInfo
SetupDiBuildClassInfoListExW
SetupDiOpenDeviceInfoW
SetupDiGetClassImageListExW
SetupDiGetDeviceInfoListDetailW
SetupDiGetClassDevsExW
SetupDiDestroyClassImageList
SetupDiDestroyDeviceInfoList
SetupDiSetDeviceInstallParamsW
pSetupInfIsInbox
SetupGetThreadLogToken
SetupOpenFileQueue
SetupDiLoadDeviceIcon
SetupDiLoadClassIcon
SetupDiCreateDeviceInfoListExW
SetupDiGetClassPropertyExW
SetupDiGetClassImageIndex
SetupDiGetClassDevPropertySheetsW
CM_Get_Parent_Ex
CM_Get_DevNode_Registry_Property_ExW
CM_Open_DevNode_Key_Ex
CM_Disconnect_Machine
CM_Open_Class_Key_ExW
CM_Connect_MachineW
pSetupStringFromGuid
SetupDiGetClassInstallParamsW
SetupDiCallClassInstaller
SetupDiSetClassInstallParamsW
SetupDiEnumDriverInfoW
SetupDiSetSelectedDriverW
SetupDiDestroyDriverInfoList
SetupScanFileQueueW
SetupCloseFileQueue
SetupQueueCopyW
SetupGetInfDriverStoreLocationW
SetupDiCreateDeviceInfoList
pSetupDiBuildInfoDataFromStrongName
SetupDiGetDeviceInstallParamsW
SetupSetThreadLogToken
SetupUninstallOEMInfW
SetupDiGetDevicePropertyKeys
SetupDiGetDevicePropertyW
SetupDiGetClassPropertyKeysExW
CM_Open_DevNode_Key
pSetupIsBiDiLocalizedSystemEx
SetupDiGetClassDescriptionW
SetupDiGetClassDevsW
SetupDiGetDeviceInstanceIdW
SetupDiBuildDriverInfoList

newdev

DiRollbackDriver
DiShowUpdateDriver
DiShowUpdateDevice
DiInstallDriverW
DiUninstallDriverW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

shell32

SHGetStockIconInfo
ord730
ShellExecuteW
ShellExecuteExW
ord245

shlwapi

StrToIntW
StrRChrW
PathParseIconLocationW

uxtheme

SetWindowTheme

wevtapi

EvtCreateRenderContext
EvtClose
EvtFormatMessage
EvtSubscribe
EvtRender
EvtOpenPublisherMetadata

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

DevGetObjectProperties
DevFreeObjectProperties

Exports

Exports

DeviceAdvancedPropertiesA
DeviceAdvancedPropertiesW
DeviceCreateHardwarePage
DeviceCreateHardwarePageCustom
DeviceCreateHardwarePageEx
DeviceManager_ExecuteA
DeviceManager_ExecuteW
DeviceProblemTextA
DeviceProblemTextW
DeviceProblemWizardA
DeviceProblemWizardW
DeviceProblenWizard_RunDLLA
DeviceProblenWizard_RunDLLW
DevicePropertiesA
DevicePropertiesExA
DevicePropertiesExW
DevicePropertiesW
DeviceProperties_RunDLLA
DeviceProperties_RunDLLW
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 313KB - Virtual size: 313KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 60B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 427KB - Virtual size: 426KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

03d59244222b2c29249eec877281de4b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

kernel32

user32

ole32

advapi32

gdi32

setupapi

newdev

version

shell32

shlwapi

uxtheme

wevtapi

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

Exports

Exports

Sections

.text Size: 313KB - Virtual size: 313KB

.data Size: 1024B - Virtual size: 2KB

.idata Size: 11KB - Virtual size: 11KB

.didat Size: 512B - Virtual size: 60B

.rsrc Size: 427KB - Virtual size: 426KB

.reloc Size: 19KB - Virtual size: 18KB

.text
Size: 313KB - Virtual size: 313KB

.data
Size: 1024B - Virtual size: 2KB

.idata
Size: 11KB - Virtual size: 11KB

.didat
Size: 512B - Virtual size: 60B

.rsrc
Size: 427KB - Virtual size: 426KB

.reloc
Size: 19KB - Virtual size: 18KB