General
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Target
lolcat.exe
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Size
36.6MB
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MD5
5dac390afaae08e5724396a2b6ff38b0
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SHA1
b09d20be653695beb14d54485653dc735b4f9777
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SHA256
79b78cb535283593c97829cfaec060e54a1fa846323ebe40822a8974d86268d2
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SHA512
50611f09e4280ddd393c96ea1df2059b61bca91f4b0bb93b8a57ece794184d86ec9d13105603fa3bcca411d78eee67cdbdfa6eb0b3b2a0f85b551ffca8bfd169
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SSDEEP
393216:g+tcCMxO5HsqWvuZBPR14VVTKLbFoYakVO4RnQw0WasxV8oc:Jc227TKLbFB8s0w+
Malware Config
Signatures
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Customerloader family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource lolcat.exe
Files
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lolcat.exe.exe windows:6 windows x64
7d19699275e08b389d5869dc7132efbc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFullPathNameW
GetTempPathW
GetLastError
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetEnvironmentVariableW
GetCurrentProcess
IsWow64Process
GetModuleFileNameW
GetModuleHandleExW
GetProcAddress
LoadLibraryExW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
RtlUnwindEx
RaiseException
OutputDebugStringW
GetModuleHandleW
GetCurrentProcessId
Sleep
RemoveDirectoryW
DeleteCriticalSection
CreateDirectoryW
RtlPcToFileHeader
InitializeSListHead
GetCurrentThreadId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SwitchToThread
InitializeCriticalSectionAndSpinCount
SetLastError
DecodePointer
EncodePointer
GetStringTypeW
user32
MessageBoxW
shell32
ShellExecuteW
advapi32
RegOpenKeyExW
RegCloseKey
ReportEventW
RegisterEventSourceW
DeregisterEventSource
RegGetValueW
api-ms-win-crt-runtime-l1-1-0
_initialize_wide_environment
_set_app_type
_invalid_parameter_noinfo_noreturn
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
terminate
_configure_wide_argv
exit
_exit
__p___argc
__p___wargv
_c_exit
_register_thread_local_exe_atexit_callback
abort
_get_initial_wide_environment
_errno
_initterm
_initialize_onexit_table
_initterm_e
api-ms-win-crt-heap-l1-1-0
malloc
calloc
free
_callnewh
_set_new_mode
api-ms-win-crt-math-l1-1-0
__setusermatherr
frexp
api-ms-win-crt-stdio-l1-1-0
_wfopen
__stdio_common_vswprintf
fclose
fread
fseek
fwrite
__acrt_iob_func
_set_fmode
fputwc
fputws
__stdio_common_vfwprintf
fflush
__p__commode
__stdio_common_vsprintf_s
api-ms-win-crt-string-l1-1-0
_wcsicmp
_wcsdup
_wcsnicmp
wcsncmp
strcspn
wcsnlen
memset
strcpy_s
api-ms-win-crt-locale-l1-1-0
_unlock_locales
__pctype_func
___lc_locale_name_func
___mb_cur_max_func
setlocale
_configthreadlocale
_lock_locales
localeconv
___lc_codepage_func
api-ms-win-crt-filesystem-l1-1-0
_wremove
_wrename
api-ms-win-crt-convert-l1-1-0
_wtoi
wcstoul
api-ms-win-crt-time-l1-1-0
wcsftime
_gmtime64
_time64
Sections
.text Size: 95KB - Virtual size: 95KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 61KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 5KB
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: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ