Static task
static1
Behavioral task
behavioral1
Sample
RtkAudUServiceConf64.dll
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
RtkAudUServiceConf64.dll
Resource
win10v2004-20240508-en
General
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Target
RtkAudUServiceConf64.dll
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Size
52KB
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MD5
724131e775c25a15255498dde12ebc2e
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SHA1
d1d02886c43046a58006f1e98a611a24eda78777
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SHA256
08f702b49ffbb8477de1643d9f9878c26dc1c01e970a4ceb7ddf73ae1878d2fe
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SHA512
59bc0d1672262df4e08cc261d1b43fd858f3ff00e0ff667bae52a4253d610fce743efce7eded09b77a87415bf63c88de49857821fcb37b66b24a6a861f2711bd
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SSDEEP
768:FaIEOrOvnrovXTXRMHWBMoYiE3QeEDjYiE3xbeEJPn3EF9zF8:F8Omro/TBMH07E3QB7E3Z3nYzm
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RtkAudUServiceConf64.dll
Files
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RtkAudUServiceConf64.dll.dll windows:6 windows x64 arch:x64
1f2241622097352600c71698fe84063a
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
Imports
api-ms-win-core-rtlsupport-l1-1-0
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
RtlCaptureContext
api-ms-win-core-errorhandling-l1-1-0
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
api-ms-win-core-processthreads-l1-1-0
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
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
InterlockedFlushSList
InitializeSListHead
api-ms-win-core-debug-l1-1-0
IsDebuggerPresent
api-ms-win-core-fibers-l1-1-0
FlsGetValue
FlsSetValue
FlsFree
FlsAlloc
api-ms-win-core-synch-l1-1-0
InitializeCriticalSectionEx
DeleteCriticalSection
api-ms-win-crt-runtime-l1-1-0
_execute_onexit_table
_initialize_narrow_environment
_initterm_e
terminate
_configure_narrow_argv
_seh_filter_dll
_initialize_onexit_table
_initterm
_cexit
api-ms-win-crt-heap-l1-1-0
free
calloc
Sections
.text Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
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: 1024B - Virtual size: 720B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 232B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ