Static task
static1
Behavioral task
behavioral1
Sample
nginx.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
nginx.exe
Resource
win10v2004-20230220-en
General
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Target
nginx.exe
-
Size
3.0MB
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MD5
5ec812cf754ac666be76a819ca652c2d
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SHA1
6378f32b7b67d850515cc483bd854f0b0a1d8eac
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SHA256
27da51a0ac16f307fb231389f324b9c63689cb86ed53a99db53055de4dd5f44a
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SHA512
a0df84596ff1ce11eaf645bb9ab5d5e4c011d7ec428e85fd2977c9a5378a94df28332ce8ee98211c4c278d8f3d97d40d0db6c999ec9afbf25c03e142cd9ac54d
-
SSDEEP
49152:yM71a+08VRVFkzxQtSlSPNIDfqmvQp/ze2u/TloKEm4HH:yG1/5zVUx2SlNDRYze2u
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nginx.exe
Files
-
nginx.exe.exe windows x86
a67f4d4e410fa6455214854bc23708a3
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
CreateFileMappingA
SetEndOfFile
SetFilePointerEx
MapViewOfFileEx
GetSystemTimeAsFileTime
GetTimeZoneInformation
CreateProcessA
TerminateProcess
ResetEvent
OpenEventA
GetExitCodeProcess
WaitForMultipleObjects
GetCommandLineA
GetModuleFileNameA
CreateThread
GetEnvironmentVariableA
GetSystemInfo
GetVersionExA
SetEvent
CreateEventA
WaitForSingleObject
SetConsoleCtrlHandler
FreeConsole
ReleaseMutex
OpenMutexA
MapViewOfFile
SetEnvironmentVariableA
CreateIoCompletionPort
GetQueuedCompletionStatus
RemoveDirectoryA
GetFileAttributesExW
CreateFileW
GetLongPathNameW
GetDiskFreeSpaceA
FindClose
FindNextFileA
FindFirstFileA
UnmapViewOfFile
SetFileTime
WriteFile
ReadFile
FormatMessageA
Sleep
SwitchToThread
InterlockedCompareExchange
CreateFileA
SetLastError
GetFileInformationByHandle
CreateDirectoryA
GetProcessHeap
GetDriveTypeW
WriteConsoleW
HeapSize
CompareStringW
SetCurrentDirectoryW
GetCurrentDirectoryW
PeekNamedPipe
GetFullPathNameA
SetFilePointer
FlushFileBuffers
RtlUnwind
GetConsoleCP
GetStartupInfoW
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
IsValidLocale
DeleteFileA
SetStdHandle
GetCurrentThreadId
InterlockedExchangeAdd
LoadLibraryA
GetStdHandle
GetProcAddress
MoveFileA
GetCurrentProcessId
CloseHandle
FreeLibrary
GetCurrentDirectoryA
GetLastError
CreateMutexA
SystemTimeToFileTime
GetSystemTime
MultiByteToWideChar
GetModuleHandleA
GetVersion
GetFileType
GetTickCount
QueryPerformanceCounter
GlobalMemoryStatus
WideCharToMultiByte
FlushConsoleInputBuffer
HeapFree
GetModuleHandleW
ExitProcess
DecodePointer
HeapAlloc
InterlockedDecrement
InterlockedIncrement
GetTimeFormatA
GetDateFormatA
HeapSetInformation
EnterCriticalSection
LeaveCriticalSection
HeapReAlloc
InterlockedExchange
EncodePointer
FileTimeToSystemTime
FileTimeToLocalFileTime
GetDriveTypeA
FindFirstFileExA
ReadConsoleInputA
SetConsoleMode
GetConsoleMode
PeekConsoleInputA
GetNumberOfConsoleInputEvents
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCurrentProcess
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
FatalAppExitA
IsProcessorFeaturePresent
HeapCreate
HeapDestroy
LoadLibraryW
GetLocaleInfoW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetCurrentThread
GetModuleFileNameW
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LCMapStringW
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
user32
CharToOemBuffA
GetDC
ReleaseDC
MessageBoxA
GetProcessWindowStation
GetUserObjectInformationW
advapi32
CryptGetProvParam
CryptCreateHash
DeregisterEventSource
ReportEventA
RegisterEventSourceA
RegCloseKey
RegSetValueExA
RegCreateKeyExA
CryptSetHashParam
CryptSignHashA
CryptDestroyHash
CryptExportKey
CryptEnumProvidersA
CryptReleaseContext
CryptDestroyKey
CryptDecrypt
CryptAcquireContextA
CryptGetUserKey
ws2_32
WSAIoctl
WSASend
WSAGetOverlappedResult
WSARecv
ioctlsocket
accept
connect
gethostname
WSASocketW
setsockopt
WSAStartup
closesocket
__WSAFDIsSet
select
recv
shutdown
WSASetLastError
listen
getsockname
WSAGetLastError
getsockopt
getaddrinfo
freeaddrinfo
ntohs
htons
ntohl
htonl
bind
send
gdi32
CreateCompatibleBitmap
GetObjectA
GetDIBits
DeleteObject
GetDeviceCaps
crypt32
CertGetCertificateContextProperty
CertDuplicateCertificateContext
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CertOpenStore
Sections
.text Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 483KB - Virtual size: 482KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 146KB - Virtual size: 208KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ