Behavioral task
behavioral1
Sample
b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6.exe
Resource
win10v2004-20230915-en
General
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Target
b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6
-
Size
62KB
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MD5
a81142a1f25b04b98e8b06b31521216c
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SHA1
21f70429a1a0fa91d88f94e6c4d951728c5cf209
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SHA256
b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6
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SHA512
d3df748c00caf330fcc46b7f5b27a9d99c397f9fc2b43d1647badbd9bf677e01f58b85c8de62b9fc12ab7a937e9c07bce5c7892b3d2b34935da69546adba9ec4
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SSDEEP
384:4GZUandBhyY/13SeTRYeXyQJKK9IAGkJAKcaFKoHNqdFRQfBp5wif38hilh+A89u:40ndTdbZyoIASK5KuNqd+Bdf3LlwA89
Malware Config
Extracted
cobaltstrike
http://192.168.183.135:443/CVTp
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;ENUS)
Signatures
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Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6
Files
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b6eaf22029973ce5f32eb4ea63eb60e9af67b8024686e4aa21b6d7f9490438d6.exe windows:6 windows x64
a7b7e5df8555b3469dd55d0ce821a6e6
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
kernel32
WaitForSingleObject
CreateThread
VirtualAlloc
VirtualProtect
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
GetProcAddress
FreeLibrary
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
GetModuleHandleW
GetStartupInfoW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentThreadId
vcruntime140d
__vcrt_GetModuleFileNameW
__current_exception_context
__current_exception
__vcrt_GetModuleHandleW
__C_specific_handler_noexcept
__C_specific_handler
memmove
memcpy
__std_type_info_destroy_list
__vcrt_LoadLibraryExW
ucrtbased
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
_register_onexit_function
_initialize_onexit_table
_seh_filter_dll
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_vsprintf_s
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: 31KB
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
.msvcjmc Size: 512B - Virtual size: 451B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.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: 625B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ