Static task
static1
Behavioral task
behavioral1
Sample
4kc597eT.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
4kc597eT.exe
Resource
win10-20231020-en
General
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Target
4kc597eT.exe
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Size
1.1MB
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MD5
fe00afd149994900df4ed8588943c7fa
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SHA1
080bd124172d7cc47277ad52661abfce800f567d
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SHA256
8fdae204a7d22c1f9bba85021e5ddeb09c4596c233cfa4fc72cafffd5ff12575
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SHA512
cfcce615ab01550764c684c93db19890da556812b9d27d32e3d0404124855f993e9ef673e1a9dbbe1fa85bcacaed2738ab26db793aa159b59e0f526dbba69469
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SSDEEP
12288:75F8jmtwkTo7a0dmgekP+8/SSERIZHqmfWWqg5u+CHT5nnmKN+6Y5wpaAO:7XCmtwkTo7a0dfR5/S8ZWqy5nfI+A
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4kc597eT.exe
Files
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4kc597eT.exe.exe windows:6 windows x86
b6874b762c445425cfcea5128380cca5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
InvertRgn
kernel32
CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
FormatMessageA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
LocalFree
GetLocaleInfoEx
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
SetFileInformationByHandle
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
SleepConditionVariableCS
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
CreateSymbolicLinkW
GetStringTypeW
CompareStringEx
GetCPInfo
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
CreateFileW
RaiseException
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
GetCurrentThread
HeapAlloc
HeapFree
GetFileType
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
SetConsoleCtrlHandler
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW
Sections
.text Size: 721KB - Virtual size: 721KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.dot Size: 266KB - Virtual size: 266KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aft Size: 512B - Virtual size: 260B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 270B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ