xorshellload.pdb
Behavioral task
behavioral1
Sample
4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55.exe
Resource
win10v2004-20240802-en
General
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Target
4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55
-
Size
378KB
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MD5
94e576d6d4aa4c8c0738e86858b43e36
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SHA1
63dd259b4bb74057820c67a617e21692030e283d
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SHA256
4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55
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SHA512
592ca37103c8eb9fdce637f5b919b93eabddd7e142af97880e34be92a58d4d84c16e28800290e5866f38a1010695e3654774370a8ee814da66ca2e52886de205
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SSDEEP
6144:wcn/cSmKUdN8PtgLM63vyJNRkZHBvZp0qoOCu2pkojnZHjeY/V:wYXgLv/y/YhsqILnZHjv
Malware Config
Signatures
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Cobalt Strike reflective loader 1 IoCs
Detects the reflective loader used by Cobalt Strike.
resource yara_rule sample cobalt_reflective_dll -
Cobaltstrike family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55
Files
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4b89b462b630c3cf9904a6b6bf25521203b262c52a2afacc661312445c21dc55.exe windows:6 windows x64 arch:x64
e5ebe672f861aafc08fa3f855fe6f76c
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
PDB Paths
Imports
api-ms-win-core-synch-l1-2-0
WaitOnAddress
WakeByAddressAll
WakeByAddressSingle
kernel32
UnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
SetUnhandledExceptionFilter
VirtualAlloc
CreateThread
WaitForSingleObject
CloseHandle
GetLastError
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetCurrentThread
QueryPerformanceCounter
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetCurrentProcess
GetStdHandle
GetCurrentProcessId
HeapFree
HeapReAlloc
lstrlenW
ReleaseMutex
GetProcessHeap
HeapAlloc
GetConsoleMode
GetModuleHandleW
MultiByteToWideChar
WriteConsoleW
WideCharToMultiByte
IsProcessorFeaturePresent
GetModuleHandleA
GetProcAddress
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetSystemTimeAsFileTime
GetCurrentThreadId
ntdll
NtWriteFile
RtlNtStatusToDosError
vcruntime140
_CxxThrowException
memcmp
__C_specific_handler
__current_exception_context
memmove
memset
memcpy
__CxxFrameHandler3
__current_exception
api-ms-win-crt-runtime-l1-1-0
_get_initial_narrow_environment
_initterm
_initterm_e
_initialize_narrow_environment
_exit
_configure_narrow_argv
__p___argc
__p___argv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_set_app_type
_seh_filter_exe
exit
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-stdio-l1-1-0
_set_fmode
__p__commode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
_set_new_mode
free
Sections
.text Size: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 269KB - Virtual size: 269KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 768B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 768B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ