Static task
static1
Behavioral task
behavioral1
Sample
gsc-tool.exe
Resource
win7-20240705-en
General
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Target
gsc-tool.exe
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Size
18.2MB
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MD5
3d76c9e56594385b370278a2a537c0b4
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SHA1
570705001bbe65389d402d1b97c9529e0f1b9093
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SHA256
3aa90bd8bc4b497c51ff59625d966d0b0325c9c08fc34f86add2be463cde81f6
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SHA512
074181c181a1598614fb44eb5fb42bcc93e0befbe460707f5d92139b73bb003babacce6c598480943174d73f218176be357f188218cb00ea412dab4c766b88a1
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SSDEEP
393216:pa8ibYeBehfoZSXumJvtKH2OyxGPoOAUcg+kS:pa8ibYeBehfoZONEH2O+GPoOAU5S
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource gsc-tool.exe
Files
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gsc-tool.exe.exe windows:6 windows x64 arch:x64
55581592fffb61919f76b48c08a97811
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
LocalFree
FormatMessageA
GetLocaleInfoEx
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFinalPathNameByHandleW
AreFileApisANSI
CloseHandle
GetLastError
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
GetStringTypeW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetFileType
HeapAlloc
HeapFree
HeapReAlloc
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
GetTimeZoneInformation
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
SetStdHandle
HeapSize
WriteConsoleW
SetEndOfFile
RtlUnwind
Sections
.text Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15.7MB - Virtual size: 15.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 39KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 48KB - Virtual size: 47KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ