C:\Users\csher\source\repos\opticall\opticall\obj\Debug\net8.0\opticall.pdb
Static task
static1
Behavioral task
behavioral1
Sample
Opt1cal/opticall.deps.json
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
Opt1cal/opticall.exe
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
Opt1cal/opticall.exe
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
Opt1cal/opticall.runtimeconfig.json
Resource
win11-20241007-en
General
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Target
tria.zip
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Size
68KB
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MD5
86536133a2f8d72613fcd56980175dd3
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SHA1
dc944c82892faa2f986b3f899e110ec9f8d9b15d
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SHA256
2aadd362cc57f8de2cd44508a018bfa5fc8b32a111b839c23a1391ba04242c7b
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SHA512
f7ec79e02cc434051fa9e0d76ebdc00850c71738532610127606f87c6d4d2ab801802559f82838e8a0af6bb46657df48d7d49cf43abd6ad7e05cf19dc3d93548
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SSDEEP
1536:mOaS/6qyeZ0WOrdySklNWXostdFd1GwgxsTkQdm:mOZ/LXeGWbFjGfqIQc
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Opt1cal/opticall.dll unpack001/Opt1cal/opticall.exe
Files
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tria.zip.zip
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Opt1cal/opticall.deps.json
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Opt1cal/opticall.dll.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
mscoree
_CorExeMain
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Opt1cal/opticall.exe.exe windows:6 windows x64 arch:x64
6a91eb82bfd19d2706c7d43c46f7064e
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
PDB Paths
D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb
Imports
kernel32
FreeLibrary
LoadLibraryExW
OutputDebugStringW
FindFirstFileExW
EnterCriticalSection
GetFullPathNameW
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
GetEnvironmentVariableW
GetModuleHandleW
MultiByteToWideChar
GetFileAttributesExW
LoadLibraryA
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
GetProcAddress
GetWindowsDirectoryW
FindResourceW
GetLastError
ActivateActCtx
FindClose
CreateActCtxW
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetStringTypeW
SwitchToThread
GetCurrentThreadId
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
user32
MessageBoxW
shell32
ShellExecuteW
advapi32
RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey
api-ms-win-crt-runtime-l1-1-0
_invalid_parameter_noinfo_noreturn
_exit
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_errno
abort
__p___wargv
_c_exit
_register_thread_local_exe_atexit_callback
terminate
__p___argc
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
fputwc
__p__commode
_set_fmode
fputws
_wfsopen
fflush
__stdio_common_vfwprintf
__stdio_common_vsnwprintf_s
__stdio_common_vswprintf
setvbuf
api-ms-win-crt-heap-l1-1-0
calloc
_set_new_mode
free
_callnewh
malloc
api-ms-win-crt-string-l1-1-0
toupper
_wcsdup
wcsncmp
wcsnlen
strcpy_s
api-ms-win-crt-convert-l1-1-0
wcstoul
_wtoi
api-ms-win-crt-time-l1-1-0
_gmtime64_s
_time64
wcsftime
api-ms-win-crt-locale-l1-1-0
setlocale
___mb_cur_max_func
_configthreadlocale
___lc_codepage_func
___lc_locale_name_func
__pctype_func
_lock_locales
_unlock_locales
api-ms-win-crt-math-l1-1-0
__setusermatherr
Sections
.text Size: 86KB - Virtual size: 86KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 808B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Opt1cal/opticall.runtimeconfig.json