Static task
static1
Behavioral task
behavioral1
Sample
ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb.exe
Resource
win10v2004-20230915-en
General
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Target
ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb
-
Size
3.8MB
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MD5
ec0d3ee7c1ef97feab218ebcaf46725b
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SHA1
cfc0b96a4edaa77fadd8ef70c6f1ab95d7c2aa16
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SHA256
ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb
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SHA512
83cfc6f3eedebe5b204f50f7227d6c77e7ba9110559d9c4811d8825696fae332cb25cdb1230dc9f3b93764dad6d3bc7f997b9dd194d081443537963579d33b3e
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SSDEEP
49152:YRSfjFZwc+PZP2WJhIp8KR7mM1PCWgJ3sv54PONhx7Hh1W0:YRS7Fa1t89t
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb
Files
-
ef3d90d764ebbeea9ca0c5d098cba8edf86ca843cb6afa04bb5ffa0789b01efb.exe windows x86
6ba374b47c3292c8e921c394bfd4f011
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
kernel32
DeleteCriticalSection
MultiByteToWideChar
IsDebuggerPresent
DebugBreak
Sleep
InitializeCriticalSectionEx
QueryPerformanceFrequency
GetCurrentThread
GetThreadTimes
CreateFileW
GetTimeZoneInformation
ReadConsoleW
SetLastError
GetLastError
QueryPerformanceCounter
DecodePointer
SetFilePointerEx
GetFileSizeEx
ReadFile
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
OutputDebugStringW
RaiseException
EnterCriticalSection
LeaveCriticalSection
WideCharToMultiByte
LocalFree
GetCurrentThreadId
InitializeSListHead
CloseHandle
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
GetCurrentProcessId
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
FormatMessageA
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetLocaleInfoEx
EncodePointer
LCMapStringEx
SetFileInformationByHandle
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetFileInformationByHandleEx
CreateSymbolicLinkW
GetStringTypeW
CompareStringEx
GetCPInfo
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemInfo
VirtualAlloc
VirtualProtect
GetModuleHandleExW
HeapValidate
ExitProcess
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
WriteConsoleW
SetConsoleCtrlHandler
HeapReAlloc
HeapSize
HeapQueryInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
user32
UnregisterClassA
advapi32
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
ole32
CoUninitialize
CoCreateInstance
CoInitialize
oleaut32
SetErrorInfo
CreateErrorInfo
VariantClear
VariantInit
SysFreeString
SysAllocString
VariantChangeType
GetErrorInfo
urlmon
URLDownloadToFileA
Sections
.text Size: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 593KB - Virtual size: 593KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 76KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 1024B - Virtual size: 954B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 1024B - Virtual size: 777B
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
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 126KB - Virtual size: 126KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ