Behavioral task
behavioral1
Sample
5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b.exe
Resource
win10v2004-20230915-en
General
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Target
5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b
-
Size
537KB
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MD5
644f5379c63e9c21b145bf0ae06a33d5
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SHA1
22c77b10c9646cd459841a6882b617b6bee15bf6
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SHA256
5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b
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SHA512
d6ba96ebe0a3fdf6b7a57675b8d9740ccbcdce51c771c6b59783aa2a1d83c46c52b367e8959ed644106692be14630ab96c113a379834093120f4af82320af499
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SSDEEP
12288:bxu1wMElzBcNYlqzvVYoyu7qViXhzLYgkBQoAp:bxmwMuzKpvVY/AJLYx+
Malware Config
Extracted
cobaltstrike
http://124.220.235.65:1666/D9uk
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; MALC)
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b
Files
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5ef1685ac6b4cb76783d777ac34fb2464b520d2bf9cb536acb70b790c2ebf59b.exe windows:6 windows x64
dbb105477902851b5b04b1eb54bf14c5
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
WriteFile
CreateFileA
SetStdHandle
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RtlUnwind
GetModuleFileNameW
GetModuleHandleExW
HeapAlloc
HeapSize
HeapValidate
GetSystemInfo
GetStdHandle
ExitProcess
GetCommandLineA
GetCommandLineW
GetFileType
OutputDebugStringW
WriteConsoleW
HeapFree
HeapReAlloc
HeapQueryInformation
GetProcessHeap
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
CloseHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
CreateFileW
Sections
.text Size: 382KB - Virtual size: 382KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 126KB - Virtual size: 125KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ