Behavioral task
behavioral1
Sample
nl.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
nl.exe
Resource
win10v2004-20241007-en
General
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Target
nl.exe
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Size
9.9MB
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MD5
fd4ceb3124de74d27b1e053b3a44dcca
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SHA1
bc58663c46fa19005453b859bc8e4a44a0816243
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SHA256
866f73e89b19292ef7f39485f9d093b4bbc21cb2d3292d62e278b6cb5fe7de11
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SHA512
d07f7a1495eca9f1eac12f5c84e1d03e260a260a679c4b2ea777b6f4772a4227323f3df808e6350e63fa1941307b3fcb67de7def080b92c68df23507a581d2c4
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SSDEEP
98304:DSqYOqIFdnwzdDhHPymsT9c3UsfFXHpE9BYvFZmFzy:2qYOdnwj6N9c3UsFXHqawzy
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1260333551942111372/4gpxXiU9xRYUak-aWfhKxT_Nyvup-qEsbKZjdhfzO86zphXTLumB7Wst6za50y_tDm4E
Signatures
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Skuld family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource nl.exe
Files
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nl.exe.exe windows:6 windows x64 arch:x64
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