Static task
static1
Behavioral task
behavioral1
Sample
lnk.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
lnk.exe
Resource
win10v2004-20231215-en
General
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Target
lnk.exe
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Size
873KB
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MD5
f45dc5a1edd4249105dc048d575a7f13
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SHA1
c285428ebb1b7eab924e5fbc702e5db2a3871048
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SHA256
06e475528af673d26d02369864adc013eb43cc7440ce1a3f13f0443b82af9381
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SHA512
49ed4d3519c131ab639d777bbd27c943516f09ae3ea68e25deacbd13703e540a10c7c99cd5fd173fa2728f7e9e867c923e28f926113403b1337b62abcbcc878d
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SSDEEP
24576:Cbov7YKHkTuQVYkiKH+7OvF9y9PtWRqDF:Cbofkr6qvFU9PtYqp
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource lnk.exe
Files
-
lnk.exe.exe windows:6 windows x64 arch:x64
685d1af34e05fc277a654f764a3c0803
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
HeapSize
CloseHandle
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
FreeEnvironmentStringsW
ReleaseMutex
FindClose
ReleaseSRWLockShared
GetLastError
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetCurrentProcess
GetCurrentThread
RtlCaptureContext
GetProcAddress
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCommandLineW
SetFilePointerEx
FlushFileBuffers
GetStdHandle
GetCurrentProcessId
TerminateProcess
QueryPerformanceCounter
TryAcquireSRWLockExclusive
QueryPerformanceFrequency
GetSystemTimeAsFileTime
HeapAlloc
GetProcessHeap
HeapFree
TlsAlloc
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
FindNextFileW
CreateFileW
GetFileInformationByHandle
DeviceIoControl
GetFinalPathNameByHandleW
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
ExitProcess
GetFullPathNameW
TlsGetValue
TlsSetValue
GetModuleHandleA
GetConsoleMode
WriteConsoleW
GetStringTypeW
SetStdHandle
WideCharToMultiByte
MultiByteToWideChar
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
GetConsoleOutputCP
LCMapStringW
CompareStringW
GetCommandLineA
WriteFile
GetModuleHandleExW
GetFileType
LoadLibraryExW
FreeLibrary
TlsFree
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
EncodePointer
EnterCriticalSection
LeaveCriticalSection
Sections
.text Size: 682KB - Virtual size: 682KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 158KB - Virtual size: 157KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ