zlibwapi[.]dll[.]exe

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General

Target

zlibwapi.dll.exe
Size

1.6MB
MD5

6ec11ede3d071077bb96b8e092010c12
SHA1

6fe0fc0b550795ee71172e7ea66e48795ce76bc2
SHA256

b069555dc7aa3dc7c32c9181af73f595fb34cda0032348bff36c35f32934e915
SHA512

84670845acd849579d63346ad0f43f7dc791bf78856aac243ba82b2ed11adc9335284b5dc8f1b0bd4d9b364d0af07e95f7272cdcd791103bfb8cc4f6673bcd13
SSDEEP

12288:ePONV1AoxWr6Nk3GQyY0LjHWZYzpOqJAFaed5S1NUXdR/Fx1MJl96shjngXkZtnO:ePfoxdjaNaqzI9t9+hpw8cZ2F

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
zlibwapi.dll.exe

Files

zlibwapi.dll.exe
.dll windows:6 windows x64 arch:x64

bf0a9643f8774e3899de976872c36662

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileA
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileAttributesA
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InterlockedFlushSList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
K32GetModuleInformation
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualProtectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteProcessMemory

shell32

ShellExecuteA

Exports

Exports

adler32
adler32_combine
adler32_z
compress
compress2
compressBound
crc32
crc32_combine
crc32_z
deflate
deflateBound
deflateCopy
deflateEnd
deflateGetDictionary
deflateInit2_
deflateInit_
deflateParams
deflatePending
deflatePrime
deflateReset
deflateResetKeep
deflateSetDictionary
deflateSetHeader
deflateTune
fill_win32_filefunc
fill_win32_filefunc64
fill_win32_filefunc64A
fill_win32_filefunc64W
get_crc_table
gzbuffer
gzclearerr
gzclose
gzclose_r
gzclose_w
gzdirect
gzdopen
gzeof
gzerror
gzflush
gzfread
gzfwrite
gzgetc
gzgetc_
gzgets
gzoffset
gzopen
gzopen_w
gzprintf
gzputc
gzputs
gzread
gzrewind
gzseek
gzsetparams
gztell
gzungetc
gzvprintf
gzwrite
inflate
inflateBack
inflateBackEnd
inflateBackInit_
inflateCodesUsed
inflateCopy
inflateEnd
inflateGetDictionary
inflateGetHeader
inflateInit2_
inflateInit_
inflateMark
inflatePrime
inflateReset
inflateReset2
inflateResetKeep
inflateSetDictionary
inflateSync
inflateSyncPoint
inflateUndermine
inflateValidate
uncompress
uncompress2
unzClose
unzCloseCurrentFile
unzGetCurrentFileInfo
unzGetCurrentFileInfo64
unzGetCurrentFileZStreamPos64
unzGetFilePos
unzGetFilePos64
unzGetGlobalComment
unzGetGlobalInfo
unzGetGlobalInfo64
unzGetLocalExtrafield
unzGoToFilePos
unzGoToFilePos64
unzGoToFirstFile
unzGoToNextFile
unzLocateFile
unzOpen
unzOpen2
unzOpen2_64
unzOpen64
unzOpenCurrentFile
unzOpenCurrentFile2
unzOpenCurrentFile3
unzOpenCurrentFilePassword
unzReadCurrentFile
unzStringFileNameCompare
unzeof
unztell
unztell64
zError
zipClose
zipCloseFileInZip
zipCloseFileInZipRaw
zipCloseFileInZipRaw64
zipOpen
zipOpen2
zipOpen2_64
zipOpen64
zipOpenNewFileInZip
zipOpenNewFileInZip2
zipOpenNewFileInZip2_64
zipOpenNewFileInZip3
zipOpenNewFileInZip3_64
zipOpenNewFileInZip4_64
zipOpenNewFileInZip64
zipWriteInFileInZip
zlibCompileFlags
zlibVersion

Sections

.text
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 80KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bf0a9643f8774e3899de976872c36662

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

Exports

Exports

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 80KB - Virtual size: 80KB

.data Size: 16KB - Virtual size: 24KB

.pdata Size: 15KB - Virtual size: 14KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 8KB - Virtual size: 7KB

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 1024B - Virtual size: 1008B

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 80KB - Virtual size: 80KB

.data
Size: 16KB - Virtual size: 24KB

.pdata
Size: 15KB - Virtual size: 14KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 8KB - Virtual size: 7KB

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 1024B - Virtual size: 1008B

.reloc
Size: 5KB - Virtual size: 4KB