Behavioral task
behavioral1
Sample
b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510.exe
Resource
win7-20230824-en
Behavioral task
behavioral2
Sample
b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510.exe
Resource
win10v2004-20230703-en
General
-
Target
b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510
-
Size
62KB
-
MD5
db361f2232af5d05630a2231289f2e45
-
SHA1
a2f7dc12f25cdd70136cf6105970e85f84e3c2ad
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SHA256
b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510
-
SHA512
48f7eeb20ce2d879054010debcdfd8fc37804ab30469d223f415346deac652a3d1efeb0f76be1a67e1f215c82f391a3d1248267e97ca23bfcc7073876168a978
-
SSDEEP
768:KuR0bfdyuU2wb5x0anFRxBHxPaVzhvAy9/:3cfBHwbQanFfBhaHB
Malware Config
Extracted
cobaltstrike
http://175.178.0.88:9999/9zw3
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; NP07; NP07)
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510
Files
-
b8dd943c15381a5707157beae232d516cb03a398896445442bf1a5bb8c08e510.exe windows x64
523de4af751183df764cac50c6c96e6f
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
vcruntime140d
__vcrt_LoadLibraryExW
__vcrt_GetModuleHandleW
__vcrt_GetModuleFileNameW
__current_exception_context
__current_exception
__std_type_info_destroy_list
__C_specific_handler_noexcept
__C_specific_handler
memcpy
ucrtbased
_seh_filter_dll
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
_initialize_onexit_table
__stdio_common_vsprintf_s
strcat_s
strcpy_s
__p__commode
_set_new_mode
_configthreadlocale
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
_set_fmode
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
__setusermatherr
_set_app_type
_seh_filter_exe
_CrtDbgReportW
_CrtDbgReport
__stdio_common_vfprintf
__acrt_iob_func
_register_onexit_function
kernel32
GetStartupInfoW
RaiseException
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetProcAddress
FreeLibrary
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
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: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 373B
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: 1024B - Virtual size: 629B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ