Behavioral task
behavioral1
Sample
skuld (1).exe
Resource
win10-20240404-en
General
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Target
skuld (1).exe
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Size
9.5MB
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MD5
c687ae7e3be528c38d7a00b93e04d332
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SHA1
c7f60d1a0eee7a774309b9b60c457b0788cc6cab
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SHA256
ef5ba17ab5fdb6a8cbc5dfcad5226b02e3f14c45e04e98080db150965842fd30
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SHA512
b0d23b80741b7da1aa47f56d482bd9adca72b4113385bf00c090487470f20a9765eeb853d25c324662f15b4b080ef7f4e37536a08ea5bbfd0eb5766530c7739e
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SSDEEP
98304:9nGwRbFvrLPk4GIipU10RSOMRBjLEHpyQWvmjFVf1:IwxFvrt10RS9RBjYHpdVf1
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1257036488672153761/NvDp_1b2nXLy-u8-yrTiFucpasoL2g34R7fCAV1w_Hji_Wd5urWsmS5DdJXMZb_5lbXp
Signatures
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Skuld family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource skuld (1).exe
Files
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skuld (1).exe.exe windows:6 windows x64 arch:x64
c2d457ad8ac36fc9f18d45bffcd450c2
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
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler
Sections
.text Size: 4.6MB - Virtual size: 4.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 463KB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 107KB - Virtual size: 107KB
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: 64KB - Virtual size: 63KB
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