Behavioral task
behavioral1
Sample
737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea.exe
Resource
win10v2004-20231023-en
General
-
Target
737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea
-
Size
469KB
-
MD5
fe76135cbc97d3735081a3e21574b112
-
SHA1
12c3ae0f3ea9cc935274e99fd05962203a749d0d
-
SHA256
737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea
-
SHA512
718ee77cffa343ae34fa62a41549cf2c690aab9b2c16c2cbad20be00448f4b472929857c1132b02693ed9f758b428b77e8a90e3bf12f00b4a49fadd39227871b
-
SSDEEP
6144:mjwrMJqBrWhCSN21DZuBCPhKQbCZvZBS2Au5raT4yPJA8IBoyYFMJDLpGcRMxY/Y:mjXsRD0C5kvybOraT4yPJWsF+VGriw
Malware Config
Extracted
cobaltstrike
http://117.50.178.197:27843/Rpc
-
user_agent
Accept: */* User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko)
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea
Files
-
737debd9b8fe8282f0352887169679a2444735089c1d750a5a182f6d05722aea.exe windows:6 windows x64 arch:x64
b902dc3e6a68205182f245f640ba2034
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
ntdll
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
NtWriteFile
RtlNtStatusToDosError
kernel32
GetCurrentProcessId
GetCurrentProcess
ReleaseSRWLockShared
AcquireSRWLockShared
TryAcquireSRWLockExclusive
CloseHandle
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
QueryPerformanceCounter
Sleep
GetModuleHandleA
GetProcAddress
GetSystemTimeAsFileTime
GetLastError
HeapAlloc
HeapCreate
GetTickCount64
ReleaseMutex
IsProcessorFeaturePresent
GetCurrentThread
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GlobalMemoryStatusEx
GetCurrentThreadId
GetStdHandle
WaitForSingleObject
GetProcessHeap
HeapFree
InitializeSListHead
HeapReAlloc
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetConsoleMode
IsDebuggerPresent
GetModuleHandleW
FormatMessageW
ExitProcess
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetThreadStackGuarantee
AddVectoredExceptionHandler
advapi32
SystemFunction036
bcrypt
BCryptGenRandom
vcruntime140
__CxxFrameHandler3
memcpy
__current_exception_context
memset
memcmp
memmove
_CxxThrowException
__current_exception
__C_specific_handler
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-runtime-l1-1-0
_seh_filter_exe
_set_app_type
terminate
_crt_atexit
_configure_narrow_argv
_initialize_onexit_table
_get_initial_narrow_environment
_initterm
_register_onexit_function
exit
_exit
__p___argc
__p___argv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_narrow_environment
_initterm_e
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: 366KB - Virtual size: 366KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 82KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 760B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 17KB - Virtual size: 16KB
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