warmcookie | 736647737_x64[.]exe

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General

Target

736647737_x64.exe
Size

123KB
MD5

3a9b61f06786317576833dcc6e74089a
SHA1

4f4a0970b68cbeaa3589b55579749f2df5efc2ac
SHA256

f4a0dd960a7e98d34d0432594aee9b76871533332199643163431398194f50f5
SHA512

4ecc76f5f5719c5b833a1bb0286105372bf8b7088141cb48059b6b4358747e8c393c5a9cd6f16311a152dbd7fb13e55290a0b893cb9e4f4122f40e6900f4a375
SSDEEP

1536:B1QgyknlJh0gH5tqdJ7OAnKVMHq6gsga/uZRfH1BggT75ThHG/Ay8IA4xfJW/OW:31yknfOgH5tsKQKiK6gvrkgJo/AiJAP

Score

10^/10

backdoor warmcookie

Malware Config

Extracted

Family

warmcookie

45.155.249.102

Attributes

mutex
b2e53de1-aaa9-4d8d-b7ef-3f90146a5c6c
user_agent
Mozilla / 4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;.NET CLR 1.0.3705)

Signatures

Warmcookie family
warmcookie

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
736647737_x64.exe

Files

736647737_x64.exe
.exe windows:4 windows x64 arch:x64

70f6cfcd6179084634b61ce1651894de

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

GetUserNameW
RegCloseKey
RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW

kernel32

AddAtomA
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileW
CreateMutexA
CreateMutexW
CreatePipe
CreateProcessW
CreateSemaphoreA
DeleteAtom
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EnterCriticalSection
ExpandEnvironmentStringsW
FindAtomA
FormatMessageA
GetAtomNameA
GetComputerNameExW
GetComputerNameW
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempFileNameW
GetTempPathW
GetThreadContext
GetThreadPriority
GetTickCount
GetVolumeInformationW
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadLibraryW
LocalFree
MultiByteToWideChar
OpenMutexW
OpenProcess
OutputDebugStringA
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReleaseMutex
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetCurrentDirectoryW
SetEvent
SetFilePointer
SetHandleInformation
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteFile
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__iob_func
__lconv_init
__set_app_type
__setusermatherr
__wgetmainargs
__winitenv
_amsg_exit
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_memccpy
_onexit
_setjmp
_strdup
_ultoa
_wcmdln
_wcsnicmp
abort
calloc
exit
fprintf
fputwc
free
fwprintf
fwrite
localeconv
longjmp
malloc
memcpy
memmove
memset
printf
rand
realloc
signal
srand
strcat
strcpy
strerror
strlen
strncmp
vfprintf
wcscat
wcscmp
wcscpy
wcslen
wcsncmp

ole32

CoTaskMemFree

shell32

SHGetFolderPathW

ws2_32

WSACleanup
WSAStartup
gethostbyname
gethostname
inet_ntoa

Sections

.text
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 4KB - Virtual size: 3KB

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: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

70f6cfcd6179084634b61ce1651894de

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

ole32

shell32

ws2_32

Sections

.text Size: 93KB - Virtual size: 92KB

.data Size: 1KB - Virtual size: 1KB

.rdata Size: 10KB - Virtual size: 10KB

.pdata Size: 4KB - Virtual size: 3KB

.xdata Size: 4KB - Virtual size: 3KB

.bss Size: - Virtual size: 3KB

.idata Size: 6KB - Virtual size: 5KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 256B

.text
Size: 93KB - Virtual size: 92KB

.data
Size: 1KB - Virtual size: 1KB

.rdata
Size: 10KB - Virtual size: 10KB

.pdata
Size: 4KB - Virtual size: 3KB

.xdata
Size: 4KB - Virtual size: 3KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 6KB - Virtual size: 5KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 256B