ZClient[.]exe | Triage

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General

Target

ZClient.exe
Size

388KB
MD5

365d6ac8a98226a34dd4bd609c336b67
SHA1

2af3b1dccc7111afb826593fdea2b1193342e0ea
SHA256

276168f9a45b93faffe87d8dc370b657bdf63e53903cb32e9d0b9e50cd8767aa
SHA512

6c7b5e4d8ada9f61d47fdb56b1a19545a9e46a471ee1c8f0e74b81de1157a6a04caa29673d5b00118e594c39e8ddbb540ed1f9f71f774cfcf614e267a47d2509
SSDEEP

6144:EP/m42QsNHpndqpbDWPs6fpzyjTzXUO4cil+NB2sTBgSSSSSSStUPN5ARPZ:Enm42XxnlzyjTzXUOk+qsTAiPZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ZClient.exe

Files

ZClient.exe
.exe windows:4 windows x86 arch:x86

f94bbbfa2d01161bd5d0afeba6682163

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

AdjustTokenPrivileges
GetTokenInformation
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegCreateKeyExA
RegSetValueExW

comctl32

InitCommonControlsEx

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileW
CreateProcessW
CreateSemaphoreA
CreateToolhelp32Snapshot
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetFileSize
GetHandleInformation
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteFile

msvcrt

__getmainargs
__initenv
__lconv_init
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_errno
_initterm
_iob
_onexit
_setjmp3
fwprintf
_ultoa
_wfopen
_wgetenv
_wremove
_wrename
abort
atoi
calloc
exit
fclose
fprintf
fputc
fputs
fputwc
fread
free
fseek
ftell
fwrite
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
printf
realloc
remove
rewind
setlocale
signal
strchr
strcmp
strerror
strlen
strncmp
strtoul
vfprintf
wcscat
wcscpy
wcslen
wcsrchr
wcsstr
longjmp
_write
_strdup
_read
_close
_access

shell32

SHGetFolderPathAndSubDirW

user32

DialogBoxParamA
DialogBoxParamW
EndDialog
MessageBoxW
SendDlgItemMessageA

winhttp

WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest

ws2_32

WSACleanup
WSAGetLastError
WSAStartup
closesocket
connect
gethostbyname
htons
recv
select
send
socket

Sections

.text
Size: 237KB - Virtual size: 236KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 68KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 60B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

f94bbbfa2d01161bd5d0afeba6682163

Headers

File Characteristics

Imports

advapi32

comctl32

kernel32

msvcrt

shell32

user32

winhttp

ws2_32

Sections

.text Size: 237KB - Virtual size: 236KB

.data Size: 512B - Virtual size: 208B

.rdata Size: 31KB - Virtual size: 31KB

/4 Size: 68KB - Virtual size: 67KB

.bss Size: - Virtual size: 3KB

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

.CRT Size: 512B - Virtual size: 60B

.tls Size: 8KB - Virtual size: 8KB

.rsrc Size: 36KB - Virtual size: 36KB

.text
Size: 237KB - Virtual size: 236KB

.data
Size: 512B - Virtual size: 208B

.rdata
Size: 31KB - Virtual size: 31KB

/4
Size: 68KB - Virtual size: 67KB

.bss
Size: - Virtual size: 3KB

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

.CRT
Size: 512B - Virtual size: 60B

.tls
Size: 8KB - Virtual size: 8KB

.rsrc
Size: 36KB - Virtual size: 36KB