Behavioral task
behavioral1
Sample
RealtekHDAudioManager.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
RealtekHDAudioManager.exe
Resource
win10-20240404-en
General
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Target
RealtekHDAudioManager.exe
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Size
9.9MB
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MD5
66dcb8e404e39465f21e8c17c223cbce
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SHA1
7e2f220191e06da058b76257e71c707378721c4f
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SHA256
80b9912b40dbbba68f9b83c2f18495149cc120a285ab7fae0a333e223412eb3f
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SHA512
85a0bd29d8ed2f77d561b9c60565a11defe65885ef5783d77ea13b374bf3d5b0cf10fa996d623e526faf65e3b7ab2423ff3810638c18c32a9936b8a2d5a80164
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SSDEEP
98304:6QI9wzKxmhMIIKfGTibiyCC9cK8yE2ICafZmwjsEejd:6IzKxmhhtbiyCicRfDUjd
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1281798080831684654/97q8rBV9oGoDnjnN72iLt4FY_BkQfULH9HMX-mbmcq4SFeqjHV9Up44HYqKZGhBj6eoL
Signatures
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Skuld family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource RealtekHDAudioManager.exe
Files
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RealtekHDAudioManager.exe.exe windows:6 windows x64 arch:x64
Password: infected
d42595b695fc008ef2c56aabd8efd68e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler
Sections
.text Size: 4.8MB - Virtual size: 4.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4.4MB - Virtual size: 4.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 468KB - Virtual size: 798KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 111KB - Virtual size: 111KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ