dusmapi[.]dll | Triage

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General

Target

dusmapi.dll
Size

36KB
MD5

ec834fe816b266c1f68f210701f56366
SHA1

983ef4c4bb50e8f84a31bb3be119ea66798086ba
SHA256

2b447c0edc763a0198a790f4422438430836f28cd78d7b1a14f8716d3848e88f
SHA512

686a749c091f94609f4c149e4287361f1672f54725ff7d96d9dc42cee11d51181f091e9be7126a461dd8807927c764ce61fa881db5c95b040b08144e2eb5be3f
SSDEEP

768:cbQ1Xn9x945AJ1ESOuI2rcA6Hv0N252myR06lzltMFZ:D1X9nOA4juIodSv0N2UO6lBtMF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dusmapi.dll

Files

dusmapi.dll
.dll windows:10 windows x86 arch:x86

8e1f53dc919601203fda731c560fff38

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

dusmapi.pdb

Imports

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

_initterm_e
_initterm

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

_o___stdio_common_vsnprintf_s
_o___stdio_common_vswprintf
_o__cexit
_o__configure_narrow_argv
_o__crt_atexit
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o___std_exception_copy
memcpy
_o__register_onexit_function
_o__seh_filter_dll
_o_free
_except_handler4_common
_o___std_type_info_destroy_list
__CxxFrameHandler3
_o___std_exception_destroy
_CxxThrowException

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

memset

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

DisableThreadLibraryCalls
GetModuleHandleW
GetModuleFileNameA
GetModuleHandleExW
GetProcAddress

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

WaitForSingleObjectEx
OpenSemaphoreW
ReleaseMutex
InitializeCriticalSectionEx
WaitForSingleObject
DeleteCriticalSection
ReleaseSemaphore
CreateSemaphoreExW
CreateMutexExW

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

HeapFree
HeapAlloc
GetProcessHeap

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

UnhandledExceptionFilter
SetLastError
GetLastError
SetUnhandledExceptionFilter

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

GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess

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

FormatMessageW

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

CloseHandle

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventSetInformation
EventWriteTransfer
EventUnregister

rpcrt4

NdrClientCall4
RpcStringFreeW
RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcExceptionFilter
RpcBindingFree

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

InitOnceComplete
InitOnceBeginInitialize

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

GetSystemTimeAsFileTime

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

InitializeSListHead

Exports

Exports

DusmEnumConnectionList
DusmEnumProfileList
DusmFlushCostCache
DusmFree
DusmGetAttributedNetworkUsage
DusmGetConnectionListNetworkUsage
DusmGetNetworkUsage
DusmGetProviderNetworkUsage
DusmQueryBackgroundRestriction
DusmQueryConnectionProperties
DusmQueryCost
DusmQueryDataPlan
DusmQueryGlobalDpuState
DusmQueryOperatorCost
DusmQueryOperatorDataPlan
DusmQuerySource
DusmQueryUserCost
DusmQueryUserDataPlan
DusmResetNetworkUsage
DusmSetAttributionMapping
DusmSetBackgroundRestriction
DusmSetOperatorCost
DusmSetOperatorDataPlan
DusmSetSource
DusmSetUserCost
DusmSetUserDataPlan

Sections

.text
Size: 28KB - Virtual size: 27KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8e1f53dc919601203fda731c560fff38

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

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

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

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

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

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

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

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

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

api-ms-win-eventing-provider-l1-1-0

rpcrt4

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

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

Exports

Exports

Sections

.text Size: 28KB - Virtual size: 27KB

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

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

.rsrc Size: 1024B - Virtual size: 1008B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 28KB - Virtual size: 27KB

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

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

.rsrc
Size: 1024B - Virtual size: 1008B

.reloc
Size: 2KB - Virtual size: 1KB