C:\DEV\vcpkg\buildtrees\zlib\x64-windows-rel\zlib.pdb
Static task
static1
Behavioral task
behavioral1
Sample
zlib1.dll
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
zlib1.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
zlib1.dll
Resource
win11-20241007-en
General
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Target
zlib1.dll
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Size
88KB
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MD5
fde9b1051b43062d3a3fa65e608c49d0
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SHA1
6b82c7d2384377ff4f1668d350e83f72d2672b6d
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SHA256
a9a06c6dc1017f129b9ca53a472c1965469ce900c57fdec90eecb8ed0f543933
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SHA512
c9534cd2833c2a6ee0c1731f9b545749835b1a547dec88ece28de3406f7b555f9f0ed947f09da690da91366b49862f9bd83177a5e84db2d43ece2679cd203251
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SSDEEP
1536:Jc9wKxbEwda1CzUbFfbpVxyRyxpGTlKALe6IOcIOZIySExo9ayi:GuKxbEwUEAhbprCOGT6ISZIBIo9u
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource zlib1.dll
Files
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zlib1.dll.dll windows:6 windows x64 arch:x64
d879d2294039900ef484e0f01607f882
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
PDB Paths
Imports
vcruntime140
__std_type_info_destroy_list
__C_specific_handler
memmove
memchr
memset
memcpy
api-ms-win-crt-stdio-l1-1-0
_wopen
_write
_read
_close
__stdio_common_vsprintf
_open
_lseeki64
api-ms-win-crt-heap-l1-1-0
malloc
free
api-ms-win-crt-convert-l1-1-0
wcstombs
api-ms-win-crt-runtime-l1-1-0
_errno
strerror
_execute_onexit_table
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm
_cexit
kernel32
DisableThreadLibraryCalls
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
InitializeSListHead
RtlCaptureContext
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
Exports
Exports
adler32
adler32_combine
adler32_z
compress
compress2
compressBound
crc32
crc32_combine
crc32_combine_gen
crc32_combine_op
crc32_z
deflate
deflateBound
deflateCopy
deflateEnd
deflateGetDictionary
deflateInit2_
deflateInit_
deflateParams
deflatePending
deflatePrime
deflateReset
deflateResetKeep
deflateSetDictionary
deflateSetHeader
deflateTune
get_crc_table
gzbuffer
gzclearerr
gzclose
gzclose_r
gzclose_w
gzdirect
gzdopen
gzeof
gzerror
gzflush
gzfread
gzfwrite
gzgetc
gzgetc_
gzgets
gzoffset
gzoffset64
gzopen
gzopen64
gzopen_w
gzprintf
gzputc
gzputs
gzread
gzrewind
gzseek
gzseek64
gzsetparams
gztell
gztell64
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
zError
zlibCompileFlags
zlibVersion
Sections
.text Size: 54KB - Virtual size: 54KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 2KB
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: 512B - Virtual size: 108B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ