Behavioral task
behavioral1
Sample
b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76.exe
Resource
win10v2004-20241007-en
General
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Target
b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76
-
Size
16KB
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MD5
b0d61656a1592046ffe61b786ed6f627
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SHA1
d8c9e3bb76f16467e2f84486b4a25137a4af8d3e
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SHA256
b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76
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SHA512
43e4c750725d3192b4e93c6bd21aa6ac0ef080b888591cbdf68ea7534c1f6baa966308851f48cb402d47dd68fdc6fa3d4bc6a744b0e51e6b9c137a3592c18c65
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SSDEEP
192:qj186CJyV4Cv+1StenoVhePDuaEeuio8u8eCmJWLym4nm3Q5xyncNoA:qjKJw4CzR7liLL4m3EoA
Malware Config
Extracted
cobaltstrike
http://192.168.171.132:8081/wp-includes/ki.jpg
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user_agent
Connection: close User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76
Files
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b70971ea1c07fbeaed522e6ffa83e46b3b33115ab381736b6c65f21b5aff1c76.exe windows:6 windows x64 arch:x64
d23dda4f27a9912913521be0b34d1acb
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
vcruntime140
__current_exception_context
__current_exception
__std_type_info_destroy_list
__C_specific_handler
memset
memcpy
api-ms-win-crt-string-l1-1-0
strcmp
api-ms-win-crt-runtime-l1-1-0
_seh_filter_dll
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_set_app_type
_crt_atexit
terminate
_execute_onexit_table
_initialize_onexit_table
_crt_at_quick_exit
_c_exit
_cexit
__p___argv
__p___argc
_configure_narrow_argv
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_register_onexit_function
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-stdio-l1-1-0
__p__commode
_set_fmode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
_set_new_mode
kernel32
GetCurrentThreadId
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
RtlCaptureContext
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
Sections
.text Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 720B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ