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Behavioral task
behavioral1
Sample
Updater.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
Updater.exe
Resource
win10ltsc2021-20241023-en
General
-
Target
Updater.exe
-
Size
123KB
-
MD5
a85b6c44f2bae9a693b250bb6e4965ee
-
SHA1
8b904f22028ff3b38007ac9e3aee84ea3f809b1a
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SHA256
18ecfdded2325349a48ee1ba5a83df2ed12cd157aa600cf64e65b74c31c9ceb2
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SHA512
bb1f65a490f60d06877d6ce3d428f93132888da533f3f66a4c071467c6a02ddd74075d8e8a8b69928ed3a358cf64fbaf50a70d7d066a13020211e67414c9908e
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SSDEEP
3072:X1yknfjMRyAKNKWY6gTrkgwi7AdXHHJAP:XjfjXtfYzTrRwJXOP
Malware Config
Extracted
warmcookie
176.31.45.36
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mutex
d1fbdca6-9084-43a7-8337-f640b2289d34
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user_agent
Mozilla / 4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;.NET CLR 1.0.3705)
Signatures
-
Warmcookie family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Updater.exe
Files
-
Updater.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