Behavioral task
behavioral1
Sample
78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5.exe
Resource
win10v2004-20230703-en
General
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Target
78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5
-
Size
40KB
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MD5
ad579719c2e18d9d6aa26667a6cec94e
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SHA1
fb0c7d24c8df1625cd471edb0ce14b2442b137ee
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SHA256
78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5
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SHA512
bff1d1ad1ece34d93f75181c822c1b370d9b4ea18fdaf0afb5512a4caf78a70a320fd0497752e67f57aa2c4bcb9d359cf6769fcf7d346cd220d7ad6da7944c63
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SSDEEP
384:p038Da+IHtMTyF+GY5pOgahBzvuZhLXFySwPhgEv4CByD2Ckv:pbm+IayF+GY5pO/2ZSzhrByDZ2
Malware Config
Extracted
cobaltstrike
http://192.168.137.3:80/bootstrap-2.min.js
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5
Files
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78067fc2423d5733d0f8ac038a3b146c4179b1a3719ac1a4e57f3c40443e12f5.exe windows x86
b313d9c96af06de88d3fce486de6efb1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateThread
GetProcAddress
LoadLibraryW
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
GetModuleHandleW
GetStartupInfoW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WideCharToMultiByte
MultiByteToWideChar
RaiseException
IsDebuggerPresent
GetCurrentThreadId
FreeLibrary
vcruntime140d
__current_exception
__current_exception_context
memset
_except_handler4_common
__vcrt_GetModuleFileNameW
__vcrt_GetModuleHandleW
__vcrt_LoadLibraryExW
__std_type_info_destroy_list
ucrtbased
_exit
__stdio_common_vsprintf_s
_seh_filter_dll
_initialize_onexit_table
_register_onexit_function
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
_controlfp_s
terminate
_wmakepath_s
_wsplitpath_s
__p__commode
strcat_s
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
__setusermatherr
_set_app_type
_seh_filter_exe
_CrtDbgReportW
_CrtDbgReport
strcpy_s
_set_new_mode
_configthreadlocale
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
wcscpy_s
_set_fmode
Sections
.textbss Size: - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 512B - Virtual size: 448B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 270B
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ